M20-series Motor Protection

The M20-series is the baseline range in the M3SH Motor Protection Relay offering. Multi-functional motor protection and management relays – integrated protection, metering, monitoring, and automation functions.
Can be used on all motors — regardless of sizes, capacities, speed or torque.

Additional information


Fully configurable, includes relays for the detection and management of earth faults, phase failures, current failures and contact failures.


Also include sensitive earth fault detection with earth fault lockout protection.


Stop/start power management function — that can be activated remotely, onsite or programmed as an automated function.


Can be programmed remotely via a personal computer, USB cable and infra-red remote control. Real-tine data transfer is available via Modbus-RTU or remotely via USB port.