CT140 Series Current Transformers

The CT140 miniature 3 phase current transformer

Description

Miniature three phase current transformers suitable for primary ranges from 250-630A with 5A secondary. Supplied with terminal cover and choice of fixings.

Application

For installation onto cables or 31mm maximum busbars. The products have an overall width of 140mm allowing installation directly on top of moulded case circuit breakers.

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Technical Specification
  • Conform to IEC185, BS7626, BSEN 60044-1 and IEC 60044-1
  • Rated system voltage 0.72/3kV.
  • Ambient temperature range -30ºC to 80ºC
  • Frequency Range 50-60Hz
  • Insulation level 3kV for 1 minute
  • Continuous current, 1.2 x rated current

 

Range & Dimensions
PRIMARY CURRENT FOOT MOUNTED 31MM APERTURES

DIN RAIL MOUNTED31MM APERTURES

250/5A CT140F-250/5/1-31 CT140D-250/5-2.5/1-31
300/5A CT140F-300/5-2.5/1-31 CT140D-300/5-2.5/1-31
400/5A CT140F-400/5-2.5/1-31 CT140D-400/5-2.5/1-31
500/5A CT140F-500/5-2.5/1-31 CT140D-500/5-2.5/1-31
600/5A CT140F-600/5-2.5/1-31 CT140D-600/5-2.5/1-31
630/5A CT140F-630/5-2.5/1-31 CT140D-630/5-2.5/1-31

All Types 2.5VA Class 1. Other VA's and accuracies by request.

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