01423 340 000

Crompton Instruments SC1 Split-core Current Transformers series with 20 x 30mm aperture (100-400/5A)

SC1 Current Transformers are equivalent of DBP23 CT's

  • Accuracy: Class 1 ( Class 0.5 available )
  • Dimensions: 20 x 30mm
  • Current: 100 to 400A range
  • Split-core fitting (Retro-fit application)
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Product Details

Camax can supply ex-stock SC1 Split-core series with Current ratio's from 100-400A Primary input

The aperture for the SC1's are 20 x 30mm (Equivalent to DBP23 Current Transformers). 

SC1 models:

  • 100:5A
  • 150:5A
  • 200:5A
  • 250:5A
  • 300:5A
  • 400:5A

Product Specification

  • System voltage- 720V (0.72kV) maximum 
  • Test voltage- 3kV for 1 minute
  • System frequency- 50/60Hz 
  • Insulation-class E 
  • Accuracy- 0.5= 1.5 VA at 300/5A and 2.5VA at 400/5A (Burden VA) 
  • Accuracy- 1= 1.5 VA at 200/5A, 2 VA at 250/5A, 4 VA at 300/5A and 6VA at 400/5A (Burden VA)
  • Overload withstand - 1.2 times rated current continuously 
  • Short circuit thermal  -100 x rated primary for 1 second 
  • Operating temperature -20˚C to +70˚C 
  • Relative humidity - 0-90% (non condensing) 
  • Compliant with - IEC/EN 60044-1, BS7626 
  • Accuracy - Class 3, 1 & 0.5
  • Mounting hardware - Plug-in metal feet for wall or base mounting or moulded busbar mounting 
  • Rated dynamic current = 2.55 x lht 
  • Enclosure - Flame retardant grade classified UL 94V-O

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