GE 369-LO-0-M-F-E-0-0 Motor Management Relay.the GE 369 Motor Management Relay. This digital relay is used for the protection and monitoring of mechanical systems and three-phase motors. It has control power rated at 20-60 VDC (20-48 VAC) and offers various optional features such as a metering package, fiber optic port, and Modbus TCP over Ethernet interface. The relay is designed to "learn" motor parameters and adapt to the specific application in use.