GE 369-HI-R-M-F-P1-0-E Motor Management Relays

Configured for comprehensive motor monitoring and thermal tracking in industrial control and power distribution platforms, the GE Multilin 369-HI-R-M-F-P1-0-E (369 Motor Protection Relay) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

• 369: Core basic unit designator for the Motor Protection/Management Relay series.
• -HI: Universal high-voltage control power supply block (50-300 VDC / 60-265 VAC).
• -R: Optional 12 RTD inputs hardware module built directly into the chassis.
• -M: Optional full electrical metering package module enabled.
• -F: Optional Fiber Optic Port hardware installed.
• -P1: Optional Profibus-DPV1 network protocol interface board equipped.
• -0-E: Standard assembly layout paired with enhanced diagnostics functionality and an enhanced faceplate interface.

Hardware Specifications

Profinet / EtherNet/IP Deterministic Networks and Firmware Flash Compatibility

The system integrates a dedicated Profibus-DPV1 network board alongside standard serial options, supporting cyclic and acyclic data exchange loops with master control nodes. The internal processing layer maps power factor, power consumption, and thermal capacity variables directly onto network telegrams, ensuring deterministic output relay contact execution under severe overload conditions.

Frequently Asked Questions

Q: How do the 12 built-in RTD channels handle continuous temperature monitoring across motor windings?

A: The hardware processes inputs from platinum, nickel, or copper RTD sensors concurrently, running background conversion cycles to track stator heating patterns and trigger local alarm or trip outputs instantly upon exceeding thermal limits.

Q: What are the necessary precautions when extracting or inserting the relay drawout module from the switchgear case?

A: Control power must be isolated and current transformer secondary circuits must be short-circuited externally prior to unlatching and pulling the internal chassis assembly to prevent hazardous open-circuit voltages.

Field Installation Guidelines

• Panel Mounting: Secure the drawout housing assembly into the cutout panel using uniform torque on all mounting clips to ensure structural stability against continuous mechanical vibrations.
• Shielded Wiring: Route all RTD signal lines and communication bus cables inside dedicated metallic conduits, terminating cable shields to the nearest cabinet ground stud.
• Thermal Clearance: Maintain adequate free air spacing above and below the enclosure envelope to allow unobstructed convection cooling within the specified operating temperature range.