{"id":10470,"date":"2026-01-19T14:01:14","date_gmt":"2026-01-19T12:01:14","guid":{"rendered":"https:\/\/owolff.com\/?post_type=product&#038;p=10470"},"modified":"2026-03-31T11:55:33","modified_gmt":"2026-03-31T09:55:33","slug":"split-core-current-transformers","status":"publish","type":"product","link":"https:\/\/owolff.com\/ch\/product\/split-core-current-transformers\/","title":{"rendered":"Split-core current 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  avia-builder-el-no-sibling  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-10470'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mgtdfohu-e0d74874c065867e738f6a3ee556d2e5\">\n#top .av-special-heading.av-mgtdfohu-e0d74874c065867e738f6a3ee556d2e5{\nmargin:50px 0 0 0;\npadding-bottom:10px;\ncolor:#000000;\n}\nbody .av-special-heading.av-mgtdfohu-e0d74874c065867e738f6a3ee556d2e5 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mgtdfohu-e0d74874c065867e738f6a3ee556d2e5 .special-heading-inner-border{\nborder-color:#000000;\n}\n.av-special-heading.av-mgtdfohu-e0d74874c065867e738f6a3ee556d2e5 .av-subheading{\nfont-size:22px;\n}\n<\/style>\n<div  class='av-special-heading av-mgtdfohu-e0d74874c065867e738f6a3ee556d2e5 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\"  >Split-core current 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-e3e167fd85f921b532736eb99beceac8\">\n.avia-image-container.av-c1frgw-e3e167fd85f921b532736eb99beceac8 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-c1frgw-e3e167fd85f921b532736eb99beceac8 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-c1frgw-e3e167fd85f921b532736eb99beceac8 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-10650 avia-img-lazy-loading-not-10650 avia_image' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers.jpg\" alt='' title='split-core current transformers'  height=\"1000\" width=\"1000\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers.jpg 1000w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-768x768.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-12x12.jpg 12w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-705x705.jpg 705w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-450x450.jpg 450w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-24x24.jpg 24w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-48x48.jpg 48w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-transformers-600x600.jpg 600w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/split-core-current-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>Accuracy Class: 0.5<\/li>\n<li>Operating Frequency: 50Hz to 200KHz<\/li>\n<li>Input Voltage: 230V 1phase \/ 400V 3phase<\/li>\n<li>Input Current Range: 1-150A without loading<\/li>\n<li>Power-Frequency withstand voltage: 2.5KV 60\u201d<\/li>\n<li>Insulation Resistance : \u2265 100Mohm with DC 500V<\/li>\n<li>Voltage Level: 660\/720V<\/li>\n<li>Lifetime \u2265 10years<\/li>\n<li>Flexible installation<\/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>Smart Metering<\/li>\n<li>Mainly for isolating, collecting, and measuring AC Current signals in the primary main circuit<\/li>\n<li>Analog to Digital Circuit<\/li>\n<li>Sensing Overload Current<\/li>\n<li>Ground fault detection<\/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-mj9td4m4-c0041277c4beacae1248adcec3b16ca0\">\nbody .av-special-heading.av-mj9td4m4-c0041277c4beacae1248adcec3b16ca0 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mj9td4m4-c0041277c4beacae1248adcec3b16ca0 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mj9td4m4-c0041277c4beacae1248adcec3b16ca0 av-special-heading-h3  avia-builder-el-11  el_after_av_one_third  el_before_av_table'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Dimensions and characteristics of OWCT16M-xxxT-xxx Split Core Current Transformer-Ferrite material<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\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-12  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=''>36.8\u00b10.3<\/td><td class=''>48.5\u00b10.5<\/td><td class=''>16.0\u00b10.5<\/td><td class=''><div  class='avia-button-wrap av-qtyqnit-eb707239b42edd88f89d46197618465c-wrap avia-button-right  avia-builder-el-13  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qtyqnit-eb707239b42edd88f89d46197618465c\">\n#top #wrap_all .avia-button.av-qtyqnit-eb707239b42edd88f89d46197618465c{\nfont-size:16px;\ncolor:#702423;\nborder-style:none;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qtyqnit-eb707239b42edd88f89d46197618465c:hover{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-qtyqnit-eb707239b42edd88f89d46197618465c .avia-svg-icon svg:first-child{\nfill:#702423;\nstroke:#702423;\n}\n#top #wrap_all .avia-button.av-qtyqnit-eb707239b42edd88f89d46197618465c: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\/OWCT161.pdf'  class='avia-button av-qtyqnit-eb707239b42edd88f89d46197618465c 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>\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-14  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=''>OWCT16M-<br \/>\n1KT-100A<\/th><th class=''>OWCT16M-<br \/>\n2KT-100A<\/th><th class=''>OWCT16M-<br \/>\n3KT-100A<\/th><th class=''>OWCT16M-<br \/>\n4KT-100A<\/th><th class=''>OWCT16M-<br \/>\n5KT-100A<\/th><\/tr><tr class=''><td class='avia-highlight-col'><b>Turns Ratio(Kr)<\/td><td class=''>&#8211;<\/td><td class=''>1000:1<\/td><td class=''>2000:1<\/td><td class=''>3000:1<\/td><td class=''>4000:1<\/td><td class=''>5000:1<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Input Current<\/td><td class=''>A(ac)<\/td><td class=''>100<\/td><td class=''>100<\/td><td class=''>100<\/td><td class=''>100<\/td><td class=''>100<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Frequency<\/td><td class=''>Hz<\/td><td class=''>50\/60<\/td><td class=''>50\/60<\/td><td class=''>50\/60<\/td><td class=''>50\/60<\/td><td class=''>50\/60<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Output Current<\/td><td class=''>mA (ac)<\/td><td class=''>100<\/td><td class=''>50<\/td><td class=''>50<\/td><td class=''>25<\/td><td class=''>20<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated Accuracy Error<\/td><td class=''>\u00b1%<\/td><td class=''>0.5<\/td><td class=''>0.5<\/td><td class=''>0.5<\/td><td class=''>0.5<\/td><td class=''>0.5<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Phase rated Error<\/td><td class=''>\u00b1Minutes<\/td><td class=''>60(RL=0)<\/td><td class=''>45(RL=0)<\/td><td class=''>45(RL=0)<\/td><td class=''>45(RL=0)<\/td><td class=''>45(RL=0)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Linearity<\/td><td class=''>\u00b1%<\/td><td class=''>0.3<\/td><td class=''>0.3<\/td><td class=''>0.3<\/td><td class=''>0.3<\/td><td class=''>0.3<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated sampling resistance<\/td><td class=''>\u03a9<\/td><td class=''>20<\/td><td class=''>100<\/td><td class=''>75<\/td><td class=''>300<\/td><td class=''>400<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Rated sampling voltage<\/td><td class=''>V(ac)<\/td><td class=''>2<\/td><td class=''>5<\/td><td class=''>3.75<\/td><td class=''>7.5<\/td><td class=''>8<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Measuring Input<br \/>\nCurrent range<\/td><td class=''>A(ac)<\/td><td class=''>0-100<br \/>\n(RL\u226420\u03a9)<\/td><td class=''>0-150<br \/>\n(RL\u2264100\u03a9)<\/td><td class=''>0-150<br \/>\n(RL\u226475\u03a9)<\/td><td class=''>0-150<br \/>\n(RL\u226450\u03a9)<\/td><td class=''>0-150<br \/>\n(RL\u226450\u03a9)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Max. Input Current<\/td><td class=''>A(ac)<\/td><td class=''>120<br \/>\n(RL\u226410\u03a9)<\/td><td class=''>200<br \/>\n(RL\u226410\u03a9)<\/td><td class=''>190<br \/>\n(RL\u226410\u03a9)<\/td><td class=''>180<br \/>\n(RL\u226410\u03a9)<\/td><td class=''>160<br \/>\n(RL\u226410\u03a9)<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Inner Resistor<\/td><td class=''>\u03a9<\/td><td class=''>41\u00b15<\/td><td class=''>125\u00b115<\/td><td class=''>293\u00b130<\/td><td class=''>565\u00b150<\/td><td class=''>860\u00b180<\/td><\/tr><tr class=''><td class='avia-highlight-col'><b>Power Freq. Voltage<\/td><td class=''>V<\/td><td class=''>2500V,60\u201d<\/td><td class=''>2500V,60\u201d<\/td><td class=''>2500V,60\u201d<\/td><td class=''>2500V,60\u201d<\/td><td class=''>2500V,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><\/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: 'OWCT16M-\n1KT-100A'; } .avia-table-2 td:nth-of-type(4):before { content: 'OWCT16M-\n2KT-100A'; } .avia-table-2 td:nth-of-type(5):before { content: 'OWCT16M-\n3KT-100A'; } .avia-table-2 td:nth-of-type(6):before { content: 'OWCT16M-\n4KT-100A'; } .avia-table-2 td:nth-of-type(7):before { content: 'OWCT16M-\n5KT-100A'; } <\/style><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/b><\/p>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-10470'><div class='entry-content-wrapper clearfix'>","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":10650,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[67],"product_tag":[],"class_list":{"0":"post-10470","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-current-transformers","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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