MAINS THREE-PHASE SUPPLY (R, S, T) │ │ │ ├───[F1]──┼─────────┼──────┐ │ ├───[F2]──┼──┐ │ │ │ ├──┼───┼──┐ ▼ ▼ ▼ ▼ ▼ ▼ ┌────────────────────────┐┌─────────────┐ │ GMR-32B INPUT TERMINAL││ MOTOR CON- │ │ (R) (S) (T)││ TACTOR │ └────────────────────────┘└──────┬──────┘ ▼ [3-PHASE MOTOR] Wiring Steps:
The (often referred to as the COCIS GMR-32B or simply GMR32B) is a specialized electrical source protection relay designed to monitor three-phase power supplies. It is widely used in industrial and residential settings—such as central air conditioning systems and elevator components—to prevent motor damage from common electrical faults. Key Technical Specifications gmr32b phase controller manual hot
The GMR-32B acts as a "loyal guard" for three-phase systems by monitoring the power supply in real time. Its primary roles include: Phase Sequence Protection: MAINS THREE-PHASE SUPPLY (R, S, T) │ │
These are usually "Dry Contacts" (NO/NC). Wire the Normally Open (NO) contact in series with your motor starter's contactor coil. Its primary roles include: Phase Sequence Protection: These
The GMR32B series complies with international standards for electrical safety and electromagnetic compatibility, ensuring reliable operation in industrial environments. Certifications include:
GMR32B Phase Controller Manual Hot Troubleshooting: A Complete Guide