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Tyco Crompton MSC-3 Miniature Split Core Current Transformers with 1 or 5A output (28mm Aperture)


£33.60 inc VAT


A range of miniature Split-core Current transformers that offers a cost effective and efficient method by which the Current can be measured without the need to break the conductor, each Current Transformer is supplied with colour coded leads of up to 3 meters for connection to the monitoring device.

The MSC 3 range of Current Transformers offers Primary Currents between 300-500A with 1 or 5A secondaries with Class 1 accuracy performance. (5A stocked item; 1A must be ordered from our supplier)

Dimensions (mm): Height: 71.7, Width: 44.5, Depth: 62.2, Aperture: 28, Lead Length: 3m on 1A Secondary / 1m on 5A Secondary


  • System voltage - 720V maximum
  • Test voltage - 3kV for 1 minute
  • System frequency - 50Hz or 60Hz
  • Primary ratings - 60A to 500A
  • Short circuit thermal current 60 x rated primary current (lth): for 1 sec
  • Overload withstand - 1.2 x rated current continuously
  • Rated dynamic current = 2.55 x lht
  • Secondary leads - 1A, (Length 3m), 5A (Length 1m) 2.5mm Wire
  • Enclosure - Flame retardant grade classified UL 94V-O
  • Aperture holes centres - 18mm up to 250A, 28mm from 300A - 500A
  • Operating temperature -20°C to +70°C
  • Accuracy Class – 1 or 3
  • Compliant with - IEC/EN 60044-1
  • Dimensions; Height: 71.7, Width: 44.5 Depth: 62.2 Aperture: 28 Lead Length: 3m on 1A Secondary / 1m on 5A Secondary


7166 - TE Connectivity - MSC A5 Camax - 241114.jpg Crompton Spilt-core Mini Clip 2014.pdf