CTSE010 Revenue Grade Mini Split-Core Current Transformer

The CTSE family of revenue grade mini split-core current transformers features small physical size, a mechanical hinge for multiple open/ close actions, consistent accuracy performance from CT to CT. The CTSE010 is offered with two core options. Each core option offers a different price performance relationship, offering maximum flexibility when matching the specific application requirements to the CTSE010 performance.Revenue Grade Split-core Current Transformer
  • Two core material options offering different price/ performance relationships.
    • Nickel alloy (Permalloy) core material
    • MN-ZN ferrite core material
  • Secondary Output: mV @ rated current or mA

  • Rated Primary: 5A to 100A
  • Secondary Output:
    • mV @ rated current – 11 options from 100mV to 3.530V
    • mA secondary output, standard winding ratios:
      • 1:1000, 1:2000, 1:2500
      • 1:3000, 1:4000, 1:5000
  • Input Frequency: 50/ 60 HZ
  • Maximum Primary Voltage: 600 VAC
  • Dielectric Withstand Voltage: 2,500V for 1 minute
  • Dielectric Resistance: 100 MOhms @ 500 VDC
  • Operating temperature: -40ºC to +55ºC
  • Construction:
    • Opening: 10.2mm (0.40″)
    • Nickel alloy (Permalloy) core material or MN-ZN ferrite core material
    • Ultrasonic welded case
    • Case: PC UL flame retardant rating 94V-0
  • Leads: 1.83m (6 ft.), UL 1015, twisted pair, 0.82mm2 (18AWG), 600V
  • UL Listed Certification Control Number E468983
  • RoHS Compliant


  • Accuracy Class: 0.2S, 0.5S (IEC 60044-1)
  • Phase Angle: < 15 minutes
  • Linearity: ±0.15% from 5% to 120% of rated primary current

Physical Specifications:

Dimension mm (in)
Length Depth Height Opening
54.5(2.15″) 25.0 (0.98″) 50.0 (1.97″) 10.0 (0.39″)

Download CTSE010 Data Sheet (pdf 877kb)

Many of our products can be designed and manufactured to meet the specific application requirements. For a no obligation technical evaluation, please provide the specific performance requirements to engineering@tichenassociates.com.