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Crompton Instruments - M3N1-35 Three Phase Current Transformer (100-250A)

Manufacturer Part No: M3N1-35

Crompton Instruments - M3N1-35 Three Phase Current Transformer (100-250A)

Manufacturer Part No: M3N1-35


£30.00 inc. VAT

Product Description

Crompton Instruments' M3N1 Range of 3-in-1 Current Transformers from Crompton Instruments combines three traditional Current Transformers into one moulded case. These can be directly installed in line with a three-phase moulded case circuit breaker, saving installation time and taking up less space than three individual CTs.

The M3N1-35 is ideal for applications such as Distribution systems, Generator sets, Control Panels and Switchgear.

Product Features:
  • Cost-effective three-phase moulded case
  • Ratio's ranging from 60/5 to 630/5
  • Integrated wire sealable terminal cover
  • Busbar, DIN-rail and metal feet mounting hardware supplied
  • Combined M4 posi/slot screw


System voltage

720V maximum

Test voltage

3kV for 1 minute

System frequency

50Hz or 60Hz

Primary ratings

60A to 630A

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 terminals

M4 screw terminals


3 @ 21 x 25mm


Flame retardant grade classified UL 94V-O

Aperture holes centres

25, 35, 45mm

Operating temperature

-20°C to +85°C


Class 1

Mounting hardware

Plug-in metal feet for wall or base mounting

Busbar and DIN-rail mounting

Compliant with

IEC/EN 60044-1


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Crompton Instruments - M3N1-35 Three Phase Current Transformer (100-250A)

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