OWCTM16M Split Core CT

16mm Split Core Current Transformer

This high-precision current transformer is engineered for accurate AC current measurement in diverse applications requiring reliable performance and durability.

Designed for altitudes up to 1000m and a lifespan of over 10 years, this current transformer is ideal for monitoring AC current in electric motors, power systems, grid renovations, lighting, HVAC systems, and building automation.


  • Primary Cable wire size: OD 16mm Max.
  • Compliance UL94V0, IEC61010-1, IEC61869-1
  • Primary current range: 0-200A
  • Primary voltage: 230V/1phase, 400V/3phase
  • Voltage grade: 0.66/0.72Kv
  • Insulation Resistance: ≥1Gohm
  • Dielectric strength: 2KV, 50Hz, 60sec.
  • Operation Frequency 50Hz to 200kHz
  • Operation temperature: -30°C to 100°C
  • Impulse voltage: 1.2/50us 5000V
  • Accuracy: 0.5% to 3%
  • Altitude: ≤1000m
  • Lifetime: ≥10 years
  • RoHS &REACH compliant


  • Measures AC current flow to electric Motors
  • Electrical Power monitoring
  • Renovation Power grid project
  • Lighting
  • Aircondition equipment etc. compatible with HVAC temperature control
  • Building automation systems