Controller Manual |link| - Gmr32b Phase

(also known as the COCIS or Ubersweet GMR-32B) is a three-phase power supply monitor relay designed to protect industrial equipment like motors, pumps, and central air conditioning compressors from electrical faults. It monitors for phase loss, reverse phase (incorrect sequence), over-voltage, and under-voltage. Technical Specifications According to documentation from retailers like MUNEFE on Amazon AliExpress typically includes the following specs: Rated Voltage:

Mounting:

Standard 35mm DIN rail (HT35) or screw mounting via M4 holes. gmr32b phase controller manual

When the ALARM LED flashes a repeating pattern, count the flashes: (also known as the COCIS or Ubersweet GMR-32B)

A. Voltage Setting (Unbalance Threshold):

This dial sets the percentage of voltage difference the unit will tolerate before tripping. Connect the AC line voltage to these terminals