Aurora GRT8-M1 Timer Relay Functions, Settings, and Manual

Aurora GRT8-M1 Timer Relay Functions, Settings, and Manual

Preface: This article covers some of the technical details of the GRT8-M1 relay used in the Aurora series Lasers


GRT8-M1 located in the top of the Aurora, next to the Main Breaker



Part Number Explained:

We use the GRT8-M1 with is a SPDT Timer off relay with 120v Control Voltage so the full part number would be GRT8-M1/W240

Red Knob Settings:


Knob 1: 1s
Knob 2: 50pct



Knob 3: E Mode



Wiring from Aurora Schematics:




Tracing Wires Back to Sources or Devices:



Notes About Relay Function:



Reference Links:

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