Gmr-32b Phase Controller Manual -

Set Switch 1 to ON, Switches 2 and 3 to OFF.

Are you integrating this unit into a or a manual push-button starter circuit?

A: Most devices only protect a motor when it is running ('dynamic' phase loss). The GMR-32B's advanced digital design monitors the line voltage even when the motor starter is open ('static' state). It will prevent the motor from starting if a phase is missing before the start command is ever given.

Optimized for SCR modules from 30A up to 500A Soft Start Duration: Adjustable from 0.5 to 30 seconds Insulation Resistance: Minimum 20MΩ at 500V DC gmr-32b phase controller manual

This comprehensive manual provides engineering specifications, installation workflows, configuration parameters, and diagnostic protocols for the GMR-32B module. 1. Technical Specifications

Ensure the main power is disconnected before performing wiring. Verify phase sequence using a separate tester before powering the GMR-32B.

Periodically check terminal screw torques, as thermal cycling in industrial environments can loosen connections over time. Set Switch 1 to ON, Switches 2 and 3 to OFF

Proper physical placement extends the lifespan of the controller. Environmental Requirements

| Specification | GMR-32B / Smart Series Value | | :--- | :--- | | | 200-500VAC (Standard), up to 690VAC (Smart Series) | | Frequency | 50 / 60 Hz | | Rated Control Circuit Voltage | Three-phase 220V, 380V, 400V, 415V, 440V, 460V | | Relay Contact Capacity | 5A at 250VAC (resistive load) | | Voltage Measurement Accuracy | ±1% of reading | | Over/Under Voltage Set Point | Adjustable approx. ±15% of nominal voltage | | Over/Under Voltage Hysteresis | 7V (prevents relay chatter) | | Voltage Imbalance Trip Level | >10% or >20% (model dependent) | | Response Time (Trip Delay) | Phase Loss: 1s / Phase Sequence: 0.1s / Over/Under Voltage: 7s / Imbalance: 5s | | Reset Mode | Automatic (restores function when fault clears) |

Disconnect all power sources before attempting installation. Ensure proper grounding to prevent electrical shock. Do not exceed the rated current and voltage limits. Install in a well-ventilated, dust-free environment. The GMR-32B's advanced digital design monitors the line

Are you troubleshooting a or looking for wiring diagrams for a particular motor type?

Press again to save your modified values to non-volatile memory. Key Parameter Table