Overview
Configured for motor protection, monitoring, and control in industrial motor control systems, the GE Multilin 369-HI-R-M-0-0-0 (369 Motor Management Relay) provides direct electrical execution. The unit integrates motor protection functions, operator interface capability, communication over RS485 Modbus RTU, optional RTD temperature monitoring, and optional metering within a panel-mounted hardware platform.
Suffix Breakdown & Model Matrix
| Suffix | Description |
|---|---|
| 369 | Basic relay platform (no RTD) |
| HI | High control power input: 50 – 300 VDC / 60 – 265 VAC |
| R | Optional 12 RTD inputs (built-in) |
| M | Optional metering package |
| 0 | No optional Fiber Optic Port |
| 0 | No optional interface selection specified |
| 0 | No harsh environment option |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 369-HI-R-M-0-0-0 |
| Brand | GE Multilin |
| Product Type | Motor Management Relay |
| Series | 369 Series |
| Origin | USA |
| Place of Shipment | Xiamen, China |
| Weight | 3.6 kg |
| Dimensions | 20.6 cm x 14 cm x 29.4 cm |
| Mounting | Panel mount |
| Control Power | 50 – 300 VDC / 60 – 265 VAC |
| Protection Functions | Overload, ground fault, phase loss, phase unbalance, thermal protection |
| RTD Inputs | 12 built-in (optional configuration) |
| Metering | Included in M configuration |
| Communication | RS485 Modbus RTU |
| Operator Interface | Integrated operator panel |
| Application | Protection, monitoring, and control of medium and large motors |
| Tariff Code | 8537101190 |
Firmware Flash Compatibility
The GE Multilin 369 Series supports firmware-based operational functionality specific to the installed hardware configuration. Firmware updates should be matched with the installed option set to maintain compatibility with communication functions, metering capability, and RTD input configuration. Verification of firmware revision before field replacement is recommended to prevent parameter incompatibility during commissioning.
Frequently Asked Questions
Q: Does this model support hot replacement while energized?
A: The supplied documentation does not specify hot-swap capability. Installation or replacement should be performed only after the associated control circuit has been de-energized according to plant electrical procedures.
Q: Can the communication interface operate through Modbus RTU?
A: Yes. The documented communication interface supports RS485 using the Modbus RTU protocol.
Q: Are all temperature inputs available on this configuration?
A: This configuration includes the R option, which provides 12 built-in RTD input channels for motor temperature monitoring.
Field Installation Guidelines
- Install the relay in a panel that provides adequate mechanical support and ventilation.
- Verify that the applied control power matches the HI input rating before energizing the unit.
- Route RTD wiring separately from power conductors to reduce electrical noise coupling.
- Terminate cable shields according to the site’s grounding standard and avoid multiple shield ground points unless specified by the system design.
- Confirm communication parameters before connecting the RS485 network to prevent addressing or baud-rate conflicts.
- Verify all protection settings after installation and before placing the motor into service.
