Note on Product Identification: The model number "GMR-32B" strongly resembles the nomenclature used by Gecom (Global Energy Control) for their Generator Controller/Auto Mains Failure (AMF) Controllers (specifically the GMR series). It is likely a typographical variation of the GMR-31B or GMR-32 series.
COCIS phase sequence relay GMR-32B 6060009 three ... - AliExpress gmr-32b phase controller manual
Initial Test: Once powered, check the status LEDs. A stable indicator usually means correct operation, while specific flashing patterns indicate faults like phase reversal or imbalance. Visual Reference Note on Product Identification: The model number "GMR-32B"
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Reverse Phase: Prevents equipment damage by detecting incorrect rotation/sequence. Power indicator: Shows unit is powered