Disconnect all power and follow lockout/tagout procedures before beginning installation.

Keep the controller chassis free of conductive dust and metallic shavings by cleaning with dry, low-pressure compressed air.

Complete Technical Manual & Guide for the GMR-32B Phase Controller

A green light often indicates that the phase sequence is correct and voltage is within the accepted range.

This controller is essential for the reliable operation of industrial machinery, including:

Ensure the power supply is disconnected before installing the device. Verify that the rated voltage of the GMR-32B matches your supply voltage. Wiring Steps Install the relay on a standard 35mm DIN rail.

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