CM-CT 100/5 ABB Current Transformer

The CM-CT 100/5 abb current transformer is a plug-in current transformer from the CM-CT range. The current transformer has a rated primary current of 100 A and a secondary rated current of 5 A. The burden of the current transformer is 2.5 VA and its precision is according to class 1. The CM-CT 100/5 will be delivered with foot angle, insulating protective cap and bar fastening screws. A snap-on mounting for DIN rail is available as accessory.

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  • 1A, 5A current output can be selected under rated current
  • Good stability, light weight, various opening sizes
  • Easy installation, open and close installation, no need to disconnect the system power
  • Appropriate volume, various sizes, suitable for different installation occasions
  • The product complies with the standards GB20840 and IEC61869
  • Secondary side current less than 1A
  • Split core design for wiring cable
  • With a 1-meter distance copper wire for easy installation



  • Residual current monitors (RCM)
  • Residual current monitoring systems (RCMS)
  • Electric energy meters
  • Distributed measurement systems
  • Switch cabinets
  • Control cabinets



Rated Input Current 0~600A
Rated Output Current 5A
Rated Voltage 0.66KV
Accuracy ± 1%
Overload Current 120A, 180A, 240A, 300A, 450A, 480A, 600A, 720A
Frequency 50Hz/ 60Hz
Operating Temperature -15 ℃ to 60 ℃
Flame Resistance UL94-V0
RoHS Status EU Directive 2011/65/EU
Product Net Width 61 mm
Product Net Height 78.5 mm
Product Net Depth / Length 48 mm
Product Net Weight 0.31 kg