CT75 Series Current Transformers

CT75 Series Current Transformers


Miniature three phase current transformers suitable for primary ranges from 80-160A with 5A secondary. Supplied with terminal cover and integral foot mount


The products have an overall width of 75mm allowing installation directly on top of moulded case circuit breakers. They can also be used independantly in 3 phase applications.

Technical Specification

  • Conforms to IEC185, BS 7626, BSEN 60044-1, IEC 60044-1 and IEC 61869-2.
  • Rated system voltage 0.72/3kV.
  • Ambient temperature range -5°C to +50°C.
  • Frequency range 50-60Hz.
  • Insulation level 3kV for 1 minute.
  • Continuous current 1.2 x rated current.


Primary Current

Burden And Accuracy

Part No

60A1VA Class 1CT75F-60/5-1/1
80A1.5VA Class 1CT75F-80/5-1.5/1
100A1.5VA Class 1CT75F-100/5-1.5/1
125A2.5VA Class 1CT75F-125/5-2.5/1
150A2.5VA Class 1CT75F-150/5-2.5/1
160A2.5VA Class 1CT75-160/5-2.5/1