{"id":10457,"date":"2026-01-19T10:42:55","date_gmt":"2026-01-19T08:42:55","guid":{"rendered":"https:\/\/owolff.com\/?post_type=product&#038;p=10457"},"modified":"2026-03-31T12:23:23","modified_gmt":"2026-03-31T10:23:23","slug":"current-sensor-transformers","status":"publish","type":"product","link":"https:\/\/owolff.com\/ch\/product\/current-sensor-transformers\/","title":{"rendered":"Current sensor transformers"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-22llww-b72798a1c185c40ff6726d749035ef4b main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_tab_section  avia-builder-el-first  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-10457'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mgtdfohu-ed059d8643c8bfaf452c0bc8bce69382\">\n#top .av-special-heading.av-mgtdfohu-ed059d8643c8bfaf452c0bc8bce69382{\nmargin:50px 0 0 0;\npadding-bottom:10px;\ncolor:#000000;\n}\nbody .av-special-heading.av-mgtdfohu-ed059d8643c8bfaf452c0bc8bce69382 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mgtdfohu-ed059d8643c8bfaf452c0bc8bce69382 .special-heading-inner-border{\nborder-color:#000000;\n}\n.av-special-heading.av-mgtdfohu-ed059d8643c8bfaf452c0bc8bce69382 .av-subheading{\nfont-size:22px;\n}\n<\/style>\n<div  class='av-special-heading av-mgtdfohu-ed059d8643c8bfaf452c0bc8bce69382 av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-1  el_before_av_textblock  avia-builder-el-first'><h1 class='av-special-heading-tag'  itemprop=\"headline\"  >Current sensor transformer series<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-mh8xnuxd-f16b69a5b541dcbdf6625eecebd388dc'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/owolff.com\/ch\/magnetics\/current-transformers\/\">\u2190 Back to overview<\/a><\/p>\n<\/div><\/section>\n<div class='flex_column_table av-1cnb74-f602bc27c5026429cf39ba33f59c51bf sc-av_one_third av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1cnb74-f602bc27c5026429cf39ba33f59c51bf\">\n#top .flex_column_table.av-equal-height-column-flextable.av-1cnb74-f602bc27c5026429cf39ba33f59c51bf{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-1cnb74-f602bc27c5026429cf39ba33f59c51bf av_one_third  avia-builder-el-3  el_after_av_textblock  el_before_av_one_third  first flex_column_table_cell av-equal-height-column av-align-top  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-c1frgw-b3a4d8d02eff80a3167c2326342525ff\">\n.avia-image-container.av-c1frgw-b3a4d8d02eff80a3167c2326342525ff img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-c1frgw-b3a4d8d02eff80a3167c2326342525ff .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-c1frgw-b3a4d8d02eff80a3167c2326342525ff av-styling- avia-align-center  avia-builder-el-4  avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-10652 avia-img-lazy-loading-not-10652 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers.jpg\" alt='' title='current sensor transformers'  height=\"1000\" width=\"1000\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers.jpg 1000w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-768x768.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-12x12.jpg 12w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-705x705.jpg 705w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-450x450.jpg 450w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-24x24.jpg 24w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-48x48.jpg 48w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-600x600.jpg 600w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/current-sensor-transformers-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/div><\/div><\/div><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bbnoz4-65e8c74c2b25ab511ad8350e281afead\">\n#top .flex_column_table.av-equal-height-column-flextable.av-bbnoz4-65e8c74c2b25ab511ad8350e281afead{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-bbnoz4-65e8c74c2b25ab511ad8350e281afead av_one_third  avia-builder-el-5  el_after_av_one_third  el_before_av_one_third  flex_column_table_cell av-equal-height-column av-align-top  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8vh6kg-33f62a900e796ef80498059dc04a88de\">\n#top .av-special-heading.av-8vh6kg-33f62a900e796ef80498059dc04a88de{\npadding-bottom:10px;\ncolor:#101010;\n}\nbody .av-special-heading.av-8vh6kg-33f62a900e796ef80498059dc04a88de .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-8vh6kg-33f62a900e796ef80498059dc04a88de .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-8vh6kg-33f62a900e796ef80498059dc04a88de .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-8vh6kg-33f62a900e796ef80498059dc04a88de av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-6  el_before_av_textblock  avia-builder-el-first'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Features<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-7ba2s0-b6346bcd4fff651edb6be3c2df3a5613'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>Frequency range: 60Hz to 1KHz<\/li>\n<li>Primary Current range: 0 to 30A<\/li>\n<li>Dielectric withstanding Voltage: 500-4000Vac<\/li>\n<li>Optimum performance over designated current and frequency range<\/li>\n<li>High Turns Ratio<\/li>\n<li>Low cost<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5h0j5c-282cd45d6da1d3fd3f2b845410fb9437\">\n#top .flex_column_table.av-equal-height-column-flextable.av-5h0j5c-282cd45d6da1d3fd3f2b845410fb9437{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-5h0j5c-282cd45d6da1d3fd3f2b845410fb9437 av_one_third  avia-builder-el-8  el_after_av_one_third  el_before_av_heading  flex_column_table_cell av-equal-height-column av-align-top  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mfl33x1c-76d4fb7633cc346e1cdaeb01f41a9c47\">\n#top .av-special-heading.av-mfl33x1c-76d4fb7633cc346e1cdaeb01f41a9c47{\npadding-bottom:10px;\ncolor:#101010;\n}\nbody .av-special-heading.av-mfl33x1c-76d4fb7633cc346e1cdaeb01f41a9c47 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mfl33x1c-76d4fb7633cc346e1cdaeb01f41a9c47 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-mfl33x1c-76d4fb7633cc346e1cdaeb01f41a9c47 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mfl33x1c-76d4fb7633cc346e1cdaeb01f41a9c47 av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-9  el_before_av_textblock  avia-builder-el-first'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Applications<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-20p0bk-deb8b3f32bb070a99ce00efbe59c7455'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>High resolution sonar currents<\/li>\n<li>Isolated current feedback signal in switch mode power supplies<\/li>\n<li>Monitor current load\/overload<\/li>\n<li>Lighting<\/li>\n<li>Switch controls Ultra-sound currents<\/li>\n<li>Security applications<\/li>\n<li>High Frequency current Sensing<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhajnfak-422769cade3af4aef7d04e697471ccac\">\nbody .av-special-heading.av-mhajnfak-422769cade3af4aef7d04e697471ccac .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mhajnfak-422769cade3af4aef7d04e697471ccac .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mhajnfak-422769cade3af4aef7d04e697471ccac av-special-heading-h3  avia-builder-el-11  el_after_av_one_third  avia-builder-el-last'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >All series<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mj9q0tro-14e980834bfe1fcbc8c1ede2a16645dc\">\n.av-tab-section-outer-container.av-mj9q0tro-14e980834bfe1fcbc8c1ede2a16645dc .av-tab-section-tab-title-container{\nbackground-color:#ffffff;\n}\n#top .av-tab-section-outer-container.av-mj9q0tro-14e980834bfe1fcbc8c1ede2a16645dc .av-section-tab-title{\ncolor:#020202;\n}\n#top .av-tab-section-outer-container.av-mj9q0tro-14e980834bfe1fcbc8c1ede2a16645dc .av-active-tab-title.av-section-tab-title{\ncolor:#bf4542;\n}\n#top .av-tab-section-outer-container.av-mj9q0tro-14e980834bfe1fcbc8c1ede2a16645dc .av-section-tab-title:hover{\ncolor:#bf4542;\n}\n<\/style>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='av-tab-section-1'  class='av-tab-section-container entry-content-wrapper main_color av-tab-no-transition av-tab-content-auto  av-tab-above-content  avia-builder-el-12  el_after_av_section  avia-builder-el-last  rj45 tab-section-not-first container_wrap sidebar_right'  ><div class='av-tab-section-outer-container av-mj9q0tro-14e980834bfe1fcbc8c1ede2a16645dc'><div class='av-tab-section-tab-title-container avia-tab-title-padding-default av-custom-tab-color' role='tablist'><a href='#ee-type' data-av-tab-section-title='1' class='av-section-tab-title av-active-tab-title no-scroll av-mj9q3sc1-50a33093b05b0aeba26ea8aef6f71cbe av-tab-no-icon av-tab-no-image' role='tab' tabindex='0' aria-controls='av-tab-section-1-1'><span class='av-outer-tab-title'><span class='av-inner-tab-title'>EE type<\/span><\/span><span class=\"av-tab-arrow-container\"><span><\/span><\/span><\/a><a href='#primary-built-in-type' data-av-tab-section-title='2' class='av-section-tab-title  av-mj9q6doe-370485cba4acfa8a401ff4c6b21bce75 av-tab-no-icon av-tab-no-image' role='tab' tabindex='0' aria-controls='av-tab-section-1-2'><span class='av-outer-tab-title'><span class='av-inner-tab-title'>Primary built-in type<\/span><\/span><span class=\"av-tab-arrow-container\"><span><\/span><\/span><\/a><a href='#through-hole-type' data-av-tab-section-title='3' class='av-section-tab-title  av-z4cc7p-fa00ae7cef2dd33d2936cced0781287f av-tab-no-icon av-tab-no-image' role='tab' tabindex='0' aria-controls='av-tab-section-1-3'><span class='av-outer-tab-title'><span class='av-inner-tab-title'>Through-hole type<\/span><\/span><span class=\"av-tab-arrow-container\"><span><\/span><\/span><\/a><\/div><div class='avia-slideshow-arrows av-tabsection-arrow' ><a href='#prev' class='prev-slide av_prev_tab_section av-tab-section-slide avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='left-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"\u4e0a\u4e00\u9875\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewbox=\"0 0 15 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-7' aria-describedby='av-svg-desc-7' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-7'>\u4e0a\u4e00\u9875<\/title>\n<desc id='av-svg-desc-7'>\u4e0a\u4e00\u9875<\/desc>\n<path d=\"M14.464 27.84q0.832 0.832 0 1.536-0.832 0.832-1.536 0l-12.544-12.608q-0.768-0.768 0-1.6l12.544-12.608q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-11.456 11.904z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>\u4e0a\u4e00\u9875<\/span><\/a><a href='#next' class='next-slide av_next_tab_section av-tab-section-slide avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"\u4e0b\u4e00\u9875\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewbox=\"0 0 15 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-8' aria-describedby='av-svg-desc-8' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-8'>\u4e0b\u4e00\u9875<\/title>\n<desc id='av-svg-desc-8'>\u4e0b\u4e00\u9875<\/desc>\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>\u4e0b\u4e00\u9875<\/span><\/a><\/div><div class='av-tab-section-inner-container avia-section-default' style='width:300vw; left:0%;'><span class=\"av_prev_tab_section av_tab_navigation\"><\/span><span class=\"av_next_tab_section av_tab_navigation\"><\/span>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mj9q3sc1-50a33093b05b0aeba26ea8aef6f71cbe\">\n.av-layout-tab.av-mj9q3sc1-50a33093b05b0aeba26ea8aef6f71cbe{\nvertical-align:top;\n}\n<\/style>\n<div id='av-tab-section-1-1' class='av-layout-tab av-mj9q3sc1-50a33093b05b0aeba26ea8aef6f71cbe av-animation-delay-container  avia-builder-el-13  el_before_av_tab_sub_section  avia-builder-el-first  rj45 av-active-tab-content __av_init_open' data-av-deeplink-tabs=\"\" data-av-tab-section-content=\"1\" data-tab-section-id=\"ee-type\"><div class=\"av-layout-tab-inner\"><div class=\"container\"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mj9td4m4-f24d5422a49a069f278647b9cc66b73b\">\nbody .av-special-heading.av-mj9td4m4-f24d5422a49a069f278647b9cc66b73b .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mj9td4m4-f24d5422a49a069f278647b9cc66b73b .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mj9td4m4-f24d5422a49a069f278647b9cc66b73b av-special-heading-h3  avia-builder-el-14  el_before_av_table  avia-builder-el-first'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWCSTxxxT-Exxx EE core Type SMD Current Sensor Transformer<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div class='avia-data-table-wrap av-vu18f91-49dd476305b14824831f3206dfbf09c5 avia_responsive_table avia-table-1'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-15  el_after_av_heading  el_before_av_table'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class=''>A(mm)<\/th><th class=''>B(mm)<\/th><th class=''>C(mm)<\/th><th class=''>Series spec<\/th><\/tr><tr class=''><td class=''>7.8\u00b10.5<\/td><td class=''>6.9\u00b10.5<\/td><td class=''>5.6 Max.<\/td><td class=''><div  class='avia-button-wrap av-qtyqnit-2bbdc97e37004900fa2813fce353ac00-wrap avia-button-right  avia-builder-el-16  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qtyqnit-2bbdc97e37004900fa2813fce353ac00\">\n#top #wrap_all .avia-button.av-qtyqnit-2bbdc97e37004900fa2813fce353ac00{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qtyqnit-2bbdc97e37004900fa2813fce353ac00:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qtyqnit-2bbdc97e37004900fa2813fce353ac00 .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-qtyqnit-2bbdc97e37004900fa2813fce353ac00:hover .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/OWCSTX2.pdf'  class='avia-button av-qtyqnit-2bbdc97e37004900fa2813fce353ac00 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-light'   aria-label=\"Spec\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='doc-text' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"32\" viewbox=\"0 0 22 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\">\n<title id='av-svg-title-1'>Doc-text<\/title>\n<desc id='av-svg-desc-1'>Doc-text<\/desc>\n<path d=\"M6.784 17.344v-2.88h8.96v2.88h-8.96zM19.2 1.6q1.344 0 2.272 0.928t0.928 2.272v22.4q0 1.28-0.928 2.24t-2.272 0.96h-16q-1.28 0-2.24-0.96t-0.96-2.24v-22.4q0-1.344 0.96-2.272t2.24-0.928h16zM19.2 27.2v-22.4h-16v22.4h16zM15.68 8.256v2.816h-8.96v-2.816h8.96zM15.68 20.8v2.816h-8.96v-2.816h8.96z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Spec<\/span><span class='avia_button_background avia-button avia-color-light' ><\/span><\/a><\/div><\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-1 td:nth-of-type(1):before { content: 'A(mm)'; } .avia-table-1 td:nth-of-type(2):before { content: 'B(mm)'; } .avia-table-1 td:nth-of-type(3):before { content: 'C(mm)'; } .avia-table-1 td:nth-of-type(4):before { content: 'Series spec'; } <\/style><br \/>\n<div class='avia-data-table-wrap av-q9cyoxh-94411d642a94f0988552c26f0cc07877 avia_responsive_table avia-table-2'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-17  el_after_av_table  avia-builder-el-last'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class='avia-highlight-col'>Item<\/th><th class=''>Unit<\/th><th class=''>OWCST20T-E300<\/th><th class=''>OWCST50T-E301<\/th><th class=''>OWCST60T-E302<\/th><th class=''>OWCST70T-E303<\/th><th class=''>OWCST100T-E304<\/th><th class=''>OWCST125T-E305<\/th><th class=''>OWCST200T-E306<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio(Kr)<\/td><td class=''>&#8211;<\/td><td class=''>1:20<\/td><td class=''>1:50<\/td><td class=''>1:60<\/td><td class=''>1:70<\/td><td class=''>1:100<\/td><td class=''>1:125<\/td><td class=''>1:200<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Primary Current Max.<\/td><td class=''>A(ac)<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>20<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Lsec Min.<\/td><td class=''>uH<\/td><td class=''>80<\/td><td class=''>500<\/td><td class=''>730<\/td><td class=''>980<\/td><td class=''>2000<\/td><td class=''>3000<\/td><td class=''>8000<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Test Condition<\/td><td class=''>KHz mV<\/td><td class=''>10KHz 0.1V<\/td><td class=''>10KHz 0.1V<\/td><td class=''>10KHz 0.1V<\/td><td class=''>10KHz 0.1V<\/td><td class=''>10KHz 0.1V<\/td><td class=''>10KHz 0.1V<\/td><td class=''>10KHz 0.1V<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCRsec. Max.<\/td><td class=''>\u03a9<\/td><td class=''>0.4<\/td><td class=''>1.5<\/td><td class=''>1.98<\/td><td class=''>4.75<\/td><td class=''>5.5<\/td><td class=''>6.5<\/td><td class=''>16.5<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Frequency range<\/td><td class=''>KHz<\/td><td class=''>46KHz to 1MHz<\/td><td class=''>20KHz to 1MHz<\/td><td class=''>15KHz to 1MHz<\/td><td class=''>13KHz to 1MHz<\/td><td class=''>9KHz to 1MHz<\/td><td class=''>7KHz to 1MHz<\/td><td class=''>1KHz to 1MHz<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Secondary Current Max.<\/td><td class=''>mA<\/td><td class=''>750<\/td><td class=''>300<\/td><td class=''>250<\/td><td class=''>215<\/td><td class=''>150<\/td><td class=''>120<\/td><td class=''>100<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Voltage<\/td><td class=''>Vdc<\/td><td class=''>80<\/td><td class=''>80<\/td><td class=''>80<\/td><td class=''>80<\/td><td class=''>80<\/td><td class=''>80<\/td><td class=''>80<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Volt \u03bcS Max.<\/td><td class=''>&#8211;<\/td><td class=''>10.8<\/td><td class=''>27<\/td><td class=''>32<\/td><td class=''>38<\/td><td class=''>54<\/td><td class=''>67.5<\/td><td class=''>100<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Hi-Pot Pri to Sec.<\/td><td class=''>V(ac)<\/td><td class=''>500V, 5mA 60\u201d<\/td><td class=''>500V, 5mA 60\u201d<\/td><td class=''>500V, 5mA 60\u201d<\/td><td class=''>500V, 5mA 60\u201d<\/td><td class=''>500V, 5mA 60\u201d<\/td><td class=''>500V, 5mA 60\u201d<\/td><td class=''>500V, 5mA 60\u201d<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Insulation Resistance<\/td><td class=''>M\u03a9 Min.<br \/>\n100Vac<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-2 td:nth-of-type(1):before { content: 'Item'; } .avia-table-2 td:nth-of-type(2):before { content: 'Unit'; } .avia-table-2 td:nth-of-type(3):before { content: 'OWCST20T-E300'; } .avia-table-2 td:nth-of-type(4):before { content: 'OWCST50T-E301'; } .avia-table-2 td:nth-of-type(5):before { content: 'OWCST60T-E302'; } .avia-table-2 td:nth-of-type(6):before { content: 'OWCST70T-E303'; } .avia-table-2 td:nth-of-type(7):before { content: 'OWCST100T-E304'; } .avia-table-2 td:nth-of-type(8):before { content: 'OWCST125T-E305'; } .avia-table-2 td:nth-of-type(9):before { content: 'OWCST200T-E306'; } <\/style><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/p>\n<\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mj9q6doe-370485cba4acfa8a401ff4c6b21bce75\">\n.av-layout-tab.av-mj9q6doe-370485cba4acfa8a401ff4c6b21bce75{\nvertical-align:top;\n}\n<\/style>\n<div id='av-tab-section-1-2' class='av-layout-tab av-mj9q6doe-370485cba4acfa8a401ff4c6b21bce75 av-animation-delay-container  avia-builder-el-18  el_after_av_tab_sub_section  el_before_av_tab_sub_section' data-av-deeplink-tabs=\"\" data-av-tab-section-content=\"2\" data-tab-section-id=\"primary-built-in-type\"><div class=\"av-layout-tab-inner\"><div class=\"container\"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mjba2xdo-254610c680f32b21a9e5dd85ac85a479\">\nbody .av-special-heading.av-mjba2xdo-254610c680f32b21a9e5dd85ac85a479 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mjba2xdo-254610c680f32b21a9e5dd85ac85a479 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mjba2xdo-254610c680f32b21a9e5dd85ac85a479 av-special-heading-h3  avia-builder-el-19  el_before_av_table  avia-builder-el-first'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWCSTxxxT-Bxxx Current Sensor Transformer_Pri. Built-In type<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div class='avia-data-table-wrap av-1il4179e-5bae1ed5f248dbad37fe736046e895c1 avia_responsive_table avia-table-3'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-20  el_after_av_heading  el_before_av_table'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class=''>A(mm)<\/th><th class=''>B(mm)<\/th><th class=''>C(mm)<\/th><th class=''>Series spec<\/th><\/tr><tr class=''><td class=''>17.5 Max.<\/td><td class=''>15.2 Max.<\/td><td class=''>12.0 Max.<\/td><td class=''><div  class='avia-button-wrap av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a-wrap avia-button-right  avia-builder-el-21  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a\">\n#top #wrap_all .avia-button.av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a:hover .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/OWCSTX1.pdf'  class='avia-button av-1d9ul9b6-abcce7fd02f490ef0e05ee121e517b0a av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-light'   aria-label=\"Spec\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='doc-text' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"32\" viewbox=\"0 0 22 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\">\n<title id='av-svg-title-2'>Doc-text<\/title>\n<desc id='av-svg-desc-2'>Doc-text<\/desc>\n<path d=\"M6.784 17.344v-2.88h8.96v2.88h-8.96zM19.2 1.6q1.344 0 2.272 0.928t0.928 2.272v22.4q0 1.28-0.928 2.24t-2.272 0.96h-16q-1.28 0-2.24-0.96t-0.96-2.24v-22.4q0-1.344 0.96-2.272t2.24-0.928h16zM19.2 27.2v-22.4h-16v22.4h16zM15.68 8.256v2.816h-8.96v-2.816h8.96zM15.68 20.8v2.816h-8.96v-2.816h8.96z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Spec<\/span><span class='avia_button_background avia-button avia-color-light' ><\/span><\/a><\/div><\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-3 td:nth-of-type(1):before { content: 'A(mm)'; } .avia-table-3 td:nth-of-type(2):before { content: 'B(mm)'; } .avia-table-3 td:nth-of-type(3):before { content: 'C(mm)'; } .avia-table-3 td:nth-of-type(4):before { content: 'Series spec'; } <\/style><br \/>\n<div class='avia-data-table-wrap av-33kmcry1-8b51e9a4dc856d817812532ed3102f01 avia_responsive_table avia-table-4'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-22  el_after_av_table  el_before_av_hr'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class='avia-highlight-col'>Item<\/th><th class=''>Unit<\/th><th class=''>OWCST50T-B200<\/th><th class=''>OWCST100T-B201<\/th><th class=''>OWCST200T-B202<\/th><th class=''>OWCST500T-B203<\/th><th class=''>OWCST1000T-B204<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio(Kr)<\/td><td class=''>&#8211;<\/td><td class=''>1:50<\/td><td class=''>1:100<\/td><td class=''>1:200<\/td><td class=''>1:500<\/td><td class=''>1:1000<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Primary Current Max.<\/td><td class=''>A(ac)<\/td><td class=''>25<\/td><td class=''>25<\/td><td class=''>25<\/td><td class=''>25<\/td><td class=''>25<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Lsec Min.<\/td><td class=''>mH<\/td><td class=''>4.7<\/td><td class=''>18<\/td><td class=''>76<\/td><td class=''>470<\/td><td class=''>1900<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Test Condition<\/td><td class=''>KHz mV<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCRsec. Max.<\/td><td class=''>\u03a9<\/td><td class=''>0.5<\/td><td class=''>2.0<\/td><td class=''>4.5<\/td><td class=''>16.0<\/td><td class=''>50.0<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Secondary Current Max.<\/td><td class=''>mA<\/td><td class=''>500<\/td><td class=''>250<\/td><td class=''>125<\/td><td class=''>50<\/td><td class=''>25<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Volt \u03bcS Max.<\/td><td class=''>&#8211;<\/td><td class=''>175<\/td><td class=''>350<\/td><td class=''>700<\/td><td class=''>1750<\/td><td class=''>3500<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Hi-Pot Pri to Sec.<\/td><td class=''>V(ac)<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Insulation Resistance<\/td><td class=''>M\u03a9 Min. 500Vac<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-4 td:nth-of-type(1):before { content: 'Item'; } .avia-table-4 td:nth-of-type(2):before { content: 'Unit'; } .avia-table-4 td:nth-of-type(3):before { content: 'OWCST50T-B200'; } .avia-table-4 td:nth-of-type(4):before { content: 'OWCST100T-B201'; } .avia-table-4 td:nth-of-type(5):before { content: 'OWCST200T-B202'; } .avia-table-4 td:nth-of-type(6):before { content: 'OWCST500T-B203'; } .avia-table-4 td:nth-of-type(7):before { content: 'OWCST1000T-B204'; } <\/style><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/p>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ry2n3uq-c54d733bb304d0d54f64b6633866128e\">\n#top .hr.av-ry2n3uq-c54d733bb304d0d54f64b6633866128e{\nmargin-bottom:10px;\n}\n.hr.av-ry2n3uq-c54d733bb304d0d54f64b6633866128e .hr-inner{\nwidth:100%;\nborder-color:#dbdbdb;\n}\n<\/style>\n<div  class='hr av-ry2n3uq-c54d733bb304d0d54f64b6633866128e hr-custom  avia-builder-el-23  el_after_av_table  el_before_av_heading  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mjbafk7b-2cd81dda281f47a82419d993943b6a68\">\nbody .av-special-heading.av-mjbafk7b-2cd81dda281f47a82419d993943b6a68 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mjbafk7b-2cd81dda281f47a82419d993943b6a68 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mjbafk7b-2cd81dda281f47a82419d993943b6a68 av-special-heading-h3  avia-builder-el-24  el_after_av_hr  el_before_av_table'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWMCT50A-B2320 Measurement Current Transformer_Pri. Built-In type<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div class='avia-data-table-wrap av-redlzj6-be920660f0a2fc61d16abfbd08f8156e avia_responsive_table avia-table-5'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-25  el_after_av_heading  el_before_av_table'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class=''>A(mm)<\/th><th class=''>B(mm)<\/th><th class=''>C(mm)<\/th><th class=''>Series spec<\/th><\/tr><tr class=''><td class=''>17.5 Max.<\/td><td class=''>15.2 Max.<\/td><td class=''>12.0 Max.<\/td><td class=''><div  class='avia-button-wrap av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8-wrap avia-button-right  avia-builder-el-26  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8\">\n#top #wrap_all .avia-button.av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8 .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8:hover .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/OWMCT51.pdf'  class='avia-button av-m51ph1e-509153b8c399bb103bec0d3dbbb117b8 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-light'   aria-label=\"Spec\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='doc-text' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"32\" viewbox=\"0 0 22 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-3' aria-describedby='av-svg-desc-3' role=\"graphics-symbol\">\n<title id='av-svg-title-3'>Doc-text<\/title>\n<desc id='av-svg-desc-3'>Doc-text<\/desc>\n<path d=\"M6.784 17.344v-2.88h8.96v2.88h-8.96zM19.2 1.6q1.344 0 2.272 0.928t0.928 2.272v22.4q0 1.28-0.928 2.24t-2.272 0.96h-16q-1.28 0-2.24-0.96t-0.96-2.24v-22.4q0-1.344 0.96-2.272t2.24-0.928h16zM19.2 27.2v-22.4h-16v22.4h16zM15.68 8.256v2.816h-8.96v-2.816h8.96zM15.68 20.8v2.816h-8.96v-2.816h8.96z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Spec<\/span><span class='avia_button_background avia-button avia-color-light' ><\/span><\/a><\/div><\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-5 td:nth-of-type(1):before { content: 'A(mm)'; } .avia-table-5 td:nth-of-type(2):before { content: 'B(mm)'; } .avia-table-5 td:nth-of-type(3):before { content: 'C(mm)'; } .avia-table-5 td:nth-of-type(4):before { content: 'Series spec'; } <\/style><br \/>\n<div class='avia-data-table-wrap av-1jrx1ge1-e116d12430c933ce52e620232b67196d avia_responsive_table avia-table-6'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-27  el_after_av_table  avia-builder-el-last'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class='avia-highlight-col'>Description<\/th><th class=''>Specification<\/th><th class=''>Comment<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Primary Current(A)<\/td><td class=''>1A \u2013 50A<\/td><td class=''>&#8211;<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Working Voltage Max.<\/td><td class=''>300Vac Reinforced<\/td><td class=''>OVC III, PD3,<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Primary current of overload withstand<\/td><td class=''>70A Max.<\/td><td class=''>60\u201d Min.<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Working Frequency<\/td><td class=''>50\/60Hz<\/td><td class=''>Sin.wave<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Accuracy Classification<\/td><td class=''>Class 0.2<\/td><td class=''>at RL =50\u03a9<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Linearity Error<\/td><td class=''>\u22640.5%<\/td><td class=''>\u22640.1 % typ. ( 1A to 50A)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Phase Error<\/td><td class=''>\u22641\u00b0<\/td><td class=''>\u22640.3\u00b0 typ. (1A to 50A)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCR of primary<\/td><td class=''>\u22640.2m\u03a9<\/td><td class=''>&#8211;<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCR of secondary<\/td><td class=''>\u226460\u03a9<\/td><td class=''>50\u03a9 Typ.<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Burden resistor (RL)<\/td><td class=''>50\u03a9<\/td><td class=''>Recommended<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Maximum Voltage in Secondary output<\/td><td class=''>3.0V Max.<\/td><td class=''>&#8211;<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Transformer Ratio on secondary output<\/td><td class=''>60mV\/A<\/td><td class=''>RL=50\u03a9, f=50Hz<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Dielectric Strength (Pri. To Sec.)<\/td><td class=''>4000Vac<\/td><td class=''>1mA 1\u201d<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio Ns: Np<\/td><td class=''>1000:1<\/td><td class=''>&#8211;<\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-6 td:nth-of-type(1):before { content: 'Description'; } .avia-table-6 td:nth-of-type(2):before { content: 'Specification'; } .avia-table-6 td:nth-of-type(3):before { content: 'Comment'; } <\/style><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/p>\n<\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-z4cc7p-fa00ae7cef2dd33d2936cced0781287f\">\n.av-layout-tab.av-z4cc7p-fa00ae7cef2dd33d2936cced0781287f{\nvertical-align:top;\n}\n<\/style>\n<div id='av-tab-section-1-3' class='av-layout-tab av-z4cc7p-fa00ae7cef2dd33d2936cced0781287f av-animation-delay-container  avia-builder-el-28  el_after_av_tab_sub_section  avia-builder-el-last' data-av-deeplink-tabs=\"\" data-av-tab-section-content=\"3\" data-tab-section-id=\"through-hole-type\"><div class=\"av-layout-tab-inner\"><div class=\"container\"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mja6tsa8-39991e7312d3153aa5af6808a6c3aae4\">\nbody .av-special-heading.av-mja6tsa8-39991e7312d3153aa5af6808a6c3aae4 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mja6tsa8-39991e7312d3153aa5af6808a6c3aae4 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mja6tsa8-39991e7312d3153aa5af6808a6c3aae4 av-special-heading-h3  avia-builder-el-29  el_before_av_table  avia-builder-el-first'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWCSTxxxT-Hxxx Current Sensor Transformer_Through-Hole type<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div class='avia-data-table-wrap av-vlbcp4l-703f182ac4b2237ef0c7c11c95b71678 avia_responsive_table avia-table-7'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-30  el_after_av_heading  el_before_av_table'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class=''>A(mm)<\/th><th class=''>B(mm)<\/th><th class=''>C(mm)<\/th><th class=''>Series spec<\/th><\/tr><tr class=''><td class=''>17.5 Max.<\/td><td class=''>11.0 Max.<\/td><td class=''>21.0 Max.<\/td><td class=''><div  class='avia-button-wrap av-qjp91hx-8997b91df66f77c672be556fba1d26eb-wrap avia-button-right  avia-builder-el-31  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qjp91hx-8997b91df66f77c672be556fba1d26eb\">\n#top #wrap_all .avia-button.av-qjp91hx-8997b91df66f77c672be556fba1d26eb{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qjp91hx-8997b91df66f77c672be556fba1d26eb:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qjp91hx-8997b91df66f77c672be556fba1d26eb .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-qjp91hx-8997b91df66f77c672be556fba1d26eb:hover .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/OWCSTX3.pdf'  class='avia-button av-qjp91hx-8997b91df66f77c672be556fba1d26eb av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-light'   aria-label=\"Spec\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='doc-text' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"32\" viewbox=\"0 0 22 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-4' aria-describedby='av-svg-desc-4' role=\"graphics-symbol\">\n<title id='av-svg-title-4'>Doc-text<\/title>\n<desc id='av-svg-desc-4'>Doc-text<\/desc>\n<path d=\"M6.784 17.344v-2.88h8.96v2.88h-8.96zM19.2 1.6q1.344 0 2.272 0.928t0.928 2.272v22.4q0 1.28-0.928 2.24t-2.272 0.96h-16q-1.28 0-2.24-0.96t-0.96-2.24v-22.4q0-1.344 0.96-2.272t2.24-0.928h16zM19.2 27.2v-22.4h-16v22.4h16zM15.68 8.256v2.816h-8.96v-2.816h8.96zM15.68 20.8v2.816h-8.96v-2.816h8.96z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Spec<\/span><span class='avia_button_background avia-button avia-color-light' ><\/span><\/a><\/div><\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-7 td:nth-of-type(1):before { content: 'A(mm)'; } .avia-table-7 td:nth-of-type(2):before { content: 'B(mm)'; } .avia-table-7 td:nth-of-type(3):before { content: 'C(mm)'; } .avia-table-7 td:nth-of-type(4):before { content: 'Series spec'; } <\/style><br \/>\n<div class='avia-data-table-wrap av-1jt8sf3t-6c1bc293678d51e2ee3f1b8e09dca415 avia_responsive_table avia-table-8'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-32  el_after_av_table  el_before_av_hr'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class='avia-highlight-col'>Item<\/th><th class=''>Unit<\/th><th class=''>OWCST50T-H100<\/th><th class=''>OWCST100T-H101<\/th><th class=''>OWCST200T-H102<\/th><th class=''>OWCST300T-H103<\/th><th class=''>OWCST500T-H104<\/th><th class=''>OWCST750T-H105<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio(Kr)<\/td><td class=''>&#8211;<\/td><td class=''>1:50<\/td><td class=''>1:100<\/td><td class=''>1:200<\/td><td class=''>1:300<\/td><td class=''>1:500<\/td><td class=''>1:750<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Primary Current Max.<\/td><td class=''>A(ac)<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>15<\/td><td class=''>30<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Lsec Min.<\/td><td class=''>mH<\/td><td class=''>5<\/td><td class=''>22<\/td><td class=''>89<\/td><td class=''>200<\/td><td class=''>560<\/td><td class=''>1250<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Test Condition<\/td><td class=''>KHz mV<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>10KHz 0.01V<\/td><td class=''>1KHz 0.01V<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCRsec. Max.<\/td><td class=''>\u03a9<\/td><td class=''>0.6<\/td><td class=''>1.1<\/td><td class=''>4.5<\/td><td class=''>10<\/td><td class=''>25<\/td><td class=''>43<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Secondary Current Max.<\/td><td class=''>mA<\/td><td class=''>300<\/td><td class=''>150<\/td><td class=''>75<\/td><td class=''>50<\/td><td class=''>30<\/td><td class=''>40<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Volt \u03bcS Max.<\/td><td class=''>&#8211;<\/td><td class=''>175<\/td><td class=''>350<\/td><td class=''>700<\/td><td class=''>900<\/td><td class=''>1500<\/td><td class=''>3750<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Hi-Pot Pri to Sec.<\/td><td class=''>V(ac)<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><td class=''>4000V, 5mA 60\u201d<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Insulation Resistance<\/td><td class=''>M\u03a9 Min.<br \/>\n500Vac<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><td class=''>500<\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-8 td:nth-of-type(1):before { content: 'Item'; } .avia-table-8 td:nth-of-type(2):before { content: 'Unit'; } .avia-table-8 td:nth-of-type(3):before { content: 'OWCST50T-H100'; } .avia-table-8 td:nth-of-type(4):before { content: 'OWCST100T-H101'; } .avia-table-8 td:nth-of-type(5):before { content: 'OWCST200T-H102'; } .avia-table-8 td:nth-of-type(6):before { content: 'OWCST300T-H103'; } .avia-table-8 td:nth-of-type(7):before { content: 'OWCST500T-H104'; } .avia-table-8 td:nth-of-type(8):before { content: 'OWCST750T-H105'; } <\/style><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/p>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-pfr1k2-f32c1feaa6da03daf44ec8d790334207\">\n#top .hr.av-pfr1k2-f32c1feaa6da03daf44ec8d790334207{\nmargin-bottom:10px;\n}\n.hr.av-pfr1k2-f32c1feaa6da03daf44ec8d790334207 .hr-inner{\nwidth:100%;\nborder-color:#dbdbdb;\n}\n<\/style>\n<div  class='hr av-pfr1k2-f32c1feaa6da03daf44ec8d790334207 hr-custom  avia-builder-el-33  el_after_av_table  el_before_av_heading  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mjcnkibp-5a0d3f40f74fcd8a3b135b7151f9bf02\">\nbody .av-special-heading.av-mjcnkibp-5a0d3f40f74fcd8a3b135b7151f9bf02 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mjcnkibp-5a0d3f40f74fcd8a3b135b7151f9bf02 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mjcnkibp-5a0d3f40f74fcd8a3b135b7151f9bf02 av-special-heading-h3  avia-builder-el-34  el_after_av_hr  el_before_av_table'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWMCT100A-H2K5N High ratio Measurement Current Transformer<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div class='avia-data-table-wrap av-ojr4veq-176c9aa3bae72701e451e91c2660048d avia_responsive_table avia-table-9'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-35  el_after_av_heading  el_before_av_table'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class=''>A(mm)<\/th><th class=''>B(mm)<\/th><th class=''>C(mm)<\/th><th class=''>Series spec<\/th><\/tr><tr class=''><td class=''>12.8\u00b10.5<\/td><td class=''>37.0\u00b10.5<\/td><td class=''>39.0\u00b10.5<\/td><td class=''><div  class='avia-button-wrap av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7-wrap avia-button-right  avia-builder-el-36  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7\">\n#top #wrap_all .avia-button.av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7 .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7:hover .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/OWMCT11.pdf'  class='avia-button av-jkjln4y-569deb339a38eef2e24dcb62eaa775c7 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-light'   aria-label=\"Spec\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='doc-text' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"32\" viewbox=\"0 0 22 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-5' aria-describedby='av-svg-desc-5' role=\"graphics-symbol\">\n<title id='av-svg-title-5'>Doc-text<\/title>\n<desc id='av-svg-desc-5'>Doc-text<\/desc>\n<path d=\"M6.784 17.344v-2.88h8.96v2.88h-8.96zM19.2 1.6q1.344 0 2.272 0.928t0.928 2.272v22.4q0 1.28-0.928 2.24t-2.272 0.96h-16q-1.28 0-2.24-0.96t-0.96-2.24v-22.4q0-1.344 0.96-2.272t2.24-0.928h16zM19.2 27.2v-22.4h-16v22.4h16zM15.68 8.256v2.816h-8.96v-2.816h8.96zM15.68 20.8v2.816h-8.96v-2.816h8.96z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Spec<\/span><span class='avia_button_background avia-button avia-color-light' ><\/span><\/a><\/div><\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-9 td:nth-of-type(1):before { content: 'A(mm)'; } .avia-table-9 td:nth-of-type(2):before { content: 'B(mm)'; } .avia-table-9 td:nth-of-type(3):before { content: 'C(mm)'; } .avia-table-9 td:nth-of-type(4):before { content: 'Series spec'; } <\/style><br \/>\n<div class='avia-data-table-wrap av-sgq82ah-2c5de16733901dbf1b65bac326189e01 avia_responsive_table avia-table-10'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-37  el_after_av_table  el_before_av_hr'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class='avia-highlight-col'>Description<\/th><th class=''>Specification<\/th><th class=''>Comment<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Primary Current(A)<\/td><td class=''>0A \u2013 100A<\/td><td class=''>AC input current to be linearly sensed<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Working Voltage Max.<\/td><td class=''>300Vac Reinforced<\/td><td class=''>OVC III, PD3,<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Primary current of overload withstand<\/td><td class=''>120A Max.<\/td><td class=''>60\u201d Min.<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Working Frequency<\/td><td class=''>50Hz &#8211; 1kHz<\/td><td class=''>Sin.wave<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Accuracy Classification<\/td><td class=''>Class 0.2<\/td><td class=''>at RL =50\u03a9<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Amplitube Error<\/td><td class=''>\u22640.2%<\/td><td class=''>\u22640.1 % typ. ( 0A to 120A)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Phase Error<\/td><td class=''>\u226420Minutes<\/td><td class=''>\u22640.3\u00b0 typ. (1A to 50A)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCR of secondary<\/td><td class=''>57\u03a9 Typ.<\/td><td class=''>25\u2103<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Burden resistor (RL)<\/td><td class=''>100\u03a9<\/td><td class=''>Recommended<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Maximum Voltage in Secondary output<\/td><td class=''>10V Max.<\/td><td class=''>Saturation Point<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Transformer Ratio on secondary output<\/td><td class=''>60mV\/A<\/td><td class=''>RL=50\u03a9, f=50Hz<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Dielectric Strength (Pri. To Sec.)<\/td><td class=''>4000Vac<\/td><td class=''>1mA 1\u201d<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio Ns: Np<\/td><td class=''>2500:1<\/td><td class=''>&#8211;<\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-10 td:nth-of-type(1):before { content: 'Description'; } .avia-table-10 td:nth-of-type(2):before { content: 'Specification'; } .avia-table-10 td:nth-of-type(3):before { content: 'Comment'; } <\/style><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/p>\n<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-wb8nt4p-f339c411f6c93ef1ace7d0e8b0ad3ec7\">\n#top .hr.av-wb8nt4p-f339c411f6c93ef1ace7d0e8b0ad3ec7{\nmargin-bottom:10px;\n}\n.hr.av-wb8nt4p-f339c411f6c93ef1ace7d0e8b0ad3ec7 .hr-inner{\nwidth:100%;\nborder-color:#dbdbdb;\n}\n<\/style>\n<div  class='hr av-wb8nt4p-f339c411f6c93ef1ace7d0e8b0ad3ec7 hr-custom  avia-builder-el-38  el_after_av_table  el_before_av_heading  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mkl1nj1v-17590d739fd8f59ec7c31e9dc1594f46\">\nbody .av-special-heading.av-mkl1nj1v-17590d739fd8f59ec7c31e9dc1594f46 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mkl1nj1v-17590d739fd8f59ec7c31e9dc1594f46 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mkl1nj1v-17590d739fd8f59ec7c31e9dc1594f46 av-special-heading-h3  avia-builder-el-39  el_after_av_hr  el_before_av_table'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWZCT1K5W-H3210 Zero-Sequence Current Transformer_Through-Hole<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div class='avia-data-table-wrap av-w46500p-18f35fd9834db1ba26f823c4aaec75e9 avia_responsive_table avia-table-11'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-40  el_after_av_heading  el_before_av_table'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class=''>A(mm)<\/th><th class=''>B(mm)<\/th><th class=''>C(mm)<\/th><th class=''>Series spec<\/th><\/tr><tr class=''><td class=''>31.0\u00b10.5<\/td><td class=''>9.5\u00b10.5<\/td><td class=''>32.0\u00b10.5<\/td><td class=''><div  class='avia-button-wrap av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd-wrap avia-button-right  avia-builder-el-41  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd\">\n#top #wrap_all .avia-button.av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd:hover .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n<\/style>\n<a href='https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/OWZCT11.pdf'  class='avia-button av-qrddvyx-70e24c2f386f50d227f5ec4167e76dcd av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-light'   aria-label=\"Spec\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='doc-text' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"32\" viewbox=\"0 0 22 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-6' aria-describedby='av-svg-desc-6' role=\"graphics-symbol\">\n<title id='av-svg-title-6'>Doc-text<\/title>\n<desc id='av-svg-desc-6'>Doc-text<\/desc>\n<path d=\"M6.784 17.344v-2.88h8.96v2.88h-8.96zM19.2 1.6q1.344 0 2.272 0.928t0.928 2.272v22.4q0 1.28-0.928 2.24t-2.272 0.96h-16q-1.28 0-2.24-0.96t-0.96-2.24v-22.4q0-1.344 0.96-2.272t2.24-0.928h16zM19.2 27.2v-22.4h-16v22.4h16zM15.68 8.256v2.816h-8.96v-2.816h8.96zM15.68 20.8v2.816h-8.96v-2.816h8.96z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Spec<\/span><span class='avia_button_background avia-button avia-color-light' ><\/span><\/a><\/div><\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-11 td:nth-of-type(1):before { content: 'A(mm)'; } .avia-table-11 td:nth-of-type(2):before { content: 'B(mm)'; } .avia-table-11 td:nth-of-type(3):before { content: 'C(mm)'; } .avia-table-11 td:nth-of-type(4):before { content: 'Series spec'; } <\/style><br \/>\n<div class='avia-data-table-wrap av-qlzpkvt-3460eac2b40b6ff35871b8b2ada1dfff avia_responsive_table avia-table-12'><table  class='avia-table avia-data-table avia_pricing_default  avia-builder-el-42  el_after_av_table  avia-builder-el-last'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><tbody><tr class='avia-heading-row'><th class='avia-highlight-col'>Description<\/th><th class=''>Specification<\/th><th class=''>Comment<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Primary Current(A)<\/td><td class=''>10mA \u2013 1A<\/td><td class=''>Frequency : 50\/60Hz<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio Ns: Np<\/td><td class=''>Ns1: Ns2 = 1:1000:5<\/td><td class=''>Through-Hole type<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>DCR of Ns1<\/td><td class=''>55\u03a9 Max.<\/td><td class=''>25\u2103<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Hi-pot<\/td><td class=''>4000Vac \/1Ma\/60\u201d<\/td><td class=''>&#8211;<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Insulation Resistance<\/td><td class=''>100M\u03a9 Min.<\/td><td class=''>500Vdc<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>RL for NS1<\/td><td class=''>\u2264100\u03a9<\/td><td class=''>For output voltage test<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Current in NS2<\/td><td class=''>125mA Max.<\/td><td class=''>5mA Max per turn<\/td><\/tr><\/tbody><\/table><\/div><style type='text\/css'>.avia-table-12 td:nth-of-type(1):before { content: 'Description'; } .avia-table-12 td:nth-of-type(2):before { content: 'Specification'; } .avia-table-12 td:nth-of-type(3):before { content: 'Comment'; } 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