Gmr32b+phase+controller+manual+patched May 2026

GMR-32B Phase Controller (often labeled as the Cocis GMR-32B) is a three-phase power supply protection relay designed to monitor phase sequence and prevent equipment damage from phase reversal or failure.

Operating the GMR32B+ Phase Controller

  1. Power On/Off: Learn the proper procedure for turning the device on and off. For software, ensure it's properly launched and exited.
  2. Adjusting Phase:

    Wiring: Use 1.0~2.5mm insulating copper wire. For reliable contact, it is recommended to use needle-type terminals. gmr32b+phase+controller+manual+patched

    Phase Sequence Reversal: Prevents motors from running backward, which can cause immediate mechanical failure. GMR-32B Phase Controller (often labeled as the Cocis