DM Mini Current Transformer

The smallest moulded body in the range. A snap on DM clips to the DIN rail beside the breaker, covers 5 A to 300 A and is the part generator set builders reach for when the control box is already full.

Primary current5 A to 300 A
Secondary current5 A / 1 A
Rated frequency50 / 60 Hz
Rated test voltage3 kV AC (1 min)
Rated voltage Um0.72 kV AC
Continuous overload Id1.2 In
Operating temperature-10 °C to 50 °C
MountingDIN rail or busbar

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Product Overview

A world famous MINI design plastic case current transformer with a snap on body, widely used in generators.

Application Scenarios

Current measurement, monitoring and protection for electrical wiring and equipment
Current and power measurement for electric motors, lighting, air compressors, heating and ventilation systems, air conditioning equipment and automation control systems
Current, power and energy monitoring devices
Relay protection devices

Technical Features

Two built in fixing methods: DIN rail and busbar mounting
Built in hinged terminal cover
Compact snap on body
Primary current from 5 A to 300 A

Specifications

Specification

Parameter	Value
Rated frequency	50 / 60 Hz
Rated test voltage	3 kV AC (1 min)
Rated short time thermal current (Ith)	60 In
Rated dynamic current (Idyn)	2.5 Ith
Rated voltage (Um)	0.72 kV AC
Continuous overload (Id)	1.2 In
Operating temperature	-10 °C to 50 °C
Housing self extinguishing class	V0
Safety factor	FS 5
Secondary current	5 A / 1 A

FAQ

Questions Buyers Ask

How small is the DM body?

It is the mini frame of the range, designed to snap onto a DIN rail in a crowded control box. Send the rail space you have and the ratio you need and we will confirm the fit.

Is DM suitable for generator control panels?

Yes, that is its most common application in the catalogue.

Which secondary is standard?

5 A, with 1 A available.