Gmr-32b Phase Controller Manual

The GMR-32B (often branded under COCIS or Jiefeng) is a three-phase power supply protection relay designed to safeguard industrial equipment like motors, air compressors, and elevators from electrical faults. Key Functions & Protection Features

By following this comprehensive write-up, you'll be well-equipped to operate and apply the GMR-32B phase controller in your projects, experiments, or applications. gmr-32b phase controller manual

Basic wiring steps

1. Turn power off before wiring.
2. Connect supply live (L) and neutral (N) to the input terminals.
3. Connect load between output terminal and neutral as specified.
4. Wire control input: potentiometer (wiper, +, −) or 0–10 V control to corresponding terminals.
5. Connect protective earth to the device chassis.
6. Verify all connections and torque per manual, then power on and test at low settings.

The GMR-32B is a reliable, "set-it-and-forget-it" industrial relay. It excels at detecting phase-related faults before they cause permanent motor burnout, making it a cost-effective insurance policy for expensive machinery. Key Performance & Features Comprehensive Fault Detection The GMR-32B (often branded under COCIS or Jiefeng

COCIS phase sequence relay GMR-32B 6060009 three ... - AliExpress Turn power off before wiring

Safety & compliance

• Always follow lockout/tagout procedures and local electrical codes.
• Verify device ratings (voltage, current, load type) before connecting.
• Use protective devices (fuses, breakers) sized correctly for the controller and load.

Once the GMR-32B phase controller is installed and configured, follow these operating instructions:

Control Output: Integrated into the starter's control circuit (e.g., stop/start push buttons) so that any fault condition immediately trips the contactor and stops the motor.