GE Vernova MM300-GEHS3CAXXXX Multilin MM300 Motor Management Relay Unit

Feature & Principle

It samples three-phase current and voltage signals, executes thermal overload, locked rotor, earth fault, phase loss and undercurrent protection. It supports local motor start/stop control, energy metering, event recording and RS485 Modbus RTU communication to SCADA system.

Specifications

Model: MM300-GEHS3CAXXXX Brand: GE Vernova (Multilin) Function: Motor protection, control, metering, fault recording Communication: RS485 Modbus RTU Input: 3-phase CT/VT sensing I/O: Digital inputs, relay outputs Mounting: MCC panel cutout mount Certification: IEC, CE, UL

Components & Diagnostics

Main CPU board, signal acquisition board, LCD display, operation keys, relay output module, terminal block. Common faults: CT wiring error, thermal curve setting mismatch, communication dropout, power supply failure, false overload alarm.

Product Brief

MM300-GEHS3CAXXXX motor management relay, GE Vernova automation spare widely used for motor control centre, pump, fan and compressor motor protection.