Overview
Configured for motor protection, thermal monitoring, and trip logic execution in industrial motor control systems, the GE 369-HI-R-M-0-P-0-E (369 Motor Protection Relay) provides direct physical and electrical execution. The unit integrates motor protection functions with RTD temperature acquisition, configurable metering capability, and optional Profibus-DP communication while accepting both AC and DC auxiliary power inputs.
Suffix Breakdown & Model Matrix
The available source material identifies 369-HI-R-M-0-P-0-E as a complete catalog number. No official suffix decoding or option matrix is provided in the supplied documentation; therefore, individual suffix meanings are not interpreted here.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 369-HI-R-M-0-P-0-E |
| Brand | GE Multilin |
| Product Type | Motor Protection Relay |
| Base Model | 369 |
| Auxiliary Supply | 50 – 300 V DC |
| Auxiliary Supply | 60 – 265 V AC, 50 – 60 Hz |
| RTD Inputs | 12 RTD inputs |
| Metering | Optional metering package |
| Communication | Optional Profibus-DP protocol interface |
| Diagnostics | Enhanced diagnostics with enhanced faceplate |
| Product Status | Manufacturer discontinued |
Firmware Flash Compatibility
The relay hardware supports optional functional configurations through factory-installed communication and metering selections. Firmware compatibility should be verified before replacement or configuration restoration to ensure parameter consistency between installed hardware revisions and archived settings. When replacing an existing relay, configuration data should be validated after download and before energizing protected equipment.
Frequently Asked Questions
Q: Does this relay support hot swapping while the control system remains energized?
A: The supplied documentation does not specify hot-swap capability. Replacement should be performed only after isolating the auxiliary supply and following plant lockout and electrical safety procedures.
Q: Can the relay communicate through Profibus-DP by default?
A: No. The provided information identifies the Profibus-DP interface as an optional hardware feature. Interface availability depends on the ordered configuration.
Q: Are all temperature channels provided through RTD inputs?
A: Yes. The listed hardware configuration includes 12 RTD inputs intended for direct temperature measurement using compatible RTD sensors.
Field Installation Guidelines
- Verify the auxiliary power source matches either the specified AC or DC operating range before energizing the relay.
- Install RTD wiring separately from high-voltage motor cables to minimize induced electrical noise.
- Ground cable shields according to the plant grounding standard to reduce measurement interference.
- Confirm all CT, RTD, control, and communication wiring against the approved terminal drawings before commissioning.
- If the optional Profibus-DP interface is installed, verify network addressing and communication parameters before connecting the relay to the fieldbus.
- Validate protection settings and functional trip logic using approved commissioning procedures before placing the protected motor into service.
