Motor Circuit Breakers | MMS series

Outline and Features

Discover the reliable motor protection offered by Mitsubishi Electric's MMS2 and MMS4 series. Featuring an adjustable dial for full load current settings, integrated finger protection for safety, and a convenient test trip function, these compact motor breakers are designed for efficiency. The MMS4 also allows for an auxiliary contact unit (AX) to be side-mounted for enhanced functionality.

Mitsubishi Electric MMS Motor Protection Circuit Breakers

Core Protection

Mitsubishi Electric's MMS motorMitsubishi Electric's MMS moto protection circuit breakers combine short-circuit and overload protection in a single compact device.

Wide Range

Available in two versions: MMS2 and MMS4 - they cover the entire current range from 0.1A to 63A, offering a streamlined solution with minimal product variants.

Full Compatibility

These circuit breakers are fully compatible with the proven Mitsubishi MS-T contactor series, making them ideal for use in motor starter assemblies.

Interchangeable Accessories

All accessories - including integrated auxiliary contacts, trip indicators, undervoltage releases, and rotary door handles - are interchangeable and can be used with both MMS2 and MMS4 models.

Special features:

Self-protected manual motor controller
Reliable protection and superior performance
Compact design
Smart wiring
Safety & quality
Global standards