Zero-phase Current Transformer (Wire Lead Type)

Technical Parameters :

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Key Properties:

  • High sensitivity        

  • Close to zero load shift and zero phase shift      

  • Excellent balance characteristics        

  • Perfect temperature stability        

  • Small change for output voltage after passing the heavy current IDC    

  • A variety of configuration and output characteristics        

 

Technical Specifications:

Series No.Rated Current(A)Outline Standard  sizes(mm)Electrical Properties
Output VoltageTest  Conditions
ABCDEFGVo(mv)Iin(mA)RL(Ω)
1ZCT2130165.96.518.55.745±34±13.5~4.051000
ZCT2230,50219.57.323.56.145±34±117min251000
ZCT2350,60,75,1002612.41029.85.955±34±16.0~6.522.5270
ZCT24100,1253015.51032.26.155±34±16.0~6.522.5270
ZCT253019.57.27.822.26.145±34±18.0~9.422.5250
ZCT2630176.87.819.56.145±34±16.0~6.522.5270

 

Construction:

20191227105414235.png

Material Specifications:

No.NameMaterial
1Core(1J85)  80%Ni Permalloy
2Core casePBT 1320  E221630
3Winding2-UEN φ0.08mm  E164502
4ShieldsMagnetic  iron
5FillingEpoxy resin 9001A/B E105888
6Outer casePBT 1320  E221630
7Lead wirePVC  insulated wire     1007  #24AWG  E186019

 

Test Circuitry:

20191227105414440.png

Main Application:

  • Residual current circuit breaker

  • Earth leakage protection switch   

  • Leakage circuit protection breaker

  • Leakage circuit protection plug (Appliance Leakage Circuit Interrupter -ALCI)