Motor circuit breakers MMS - Mitsubishi Electric

Name: Motor circuit breakers MMS - Mitsubishi Electric
Brand: Mitsubishi Electric

Mitsubishi Electric offers the MMS series of motor circuit breakers for reliable protection of motor branch circuits. Available in MMS2 and MMS4 frame sizes, the range covers adjustable current settings from 0.1 to 63 A and is compatible with Mitsubishi Electric MS-T contactors.

The MMS series integrates low-voltage circuit breaker and thermal overload relay functions in a single device. It protects motor branch circuits against overload, phase loss and short circuits, supporting safer wiring and motor protection.

MMS motor circuit breakers feature an adjustable dial for full-load current setting, integrated finger protection and a test trip function. The two frame sizes provide a compact solution across the 0.1 to 63 A range, while common accessories can be used with both MMS2 and MMS4 models.

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Features

Adjustable current setting range: 0.1 to 63 A;
Breaking capacity at 415 V: up to 150 kA, depending on model;
3 poles; rated voltage up to 690 V; 50/60 Hz;
Thermal-magnetic trip;
Compliant with IEC/EN 60947-2 and IEC/EN 60947-4-1.

Advantages

Compact range with two frame sizes: MMS2 and MMS4;
Adjustable full-load current dial and test trip function;
Integrated finger protection for safer operation and wiring;
Full compatibility with Mitsubishi Electric MS-T contactors;
Interchangeable accessories for MMS2 and MMS4, including auxiliary contacts, trip indicators, undervoltage releases and rotary door handles.

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