Multifunction Motor Protection Relay GE Vernova 369-HI-R-0-B-F-0
Manufacturer: GE Fanuc
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Part Number: 369-HI-R-0-B-F-0
Condition：New with Original Package
Product Type: Motor Protection Relays
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE 369-HI-R-0-B-F-0 Multilin Series
The GE Multilin 369-HI-R-0-B-F-0, also cataloged as the GE Multilin 369 Motor Protection Relay, operates as a dedicated hardware component for continuous three-phase AC motor thermal tracking and electrical fault detection within industrial power distribution networks. The device intercepts three-phase current signals and external RTD temperature inputs to execute automated trip logic, safeguarding medium-voltage motors from mechanical lockups and phase unbalance anomalies. Real-time diagnostic data is calculated and processed internally before being transmitted to local interfaces or distributed plant control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 369-HI-R-0-B-F-0 |
| Brand | GE Vernova (GE Grid Solutions) |
| Origin | USA |
| Weight | 7 kg (Shipping weight) |
| Dimensions | Standard Multilin 369 series panel/rack mount form factor |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Sourced via HI Control Power (50-300 VDC / 60-265 VAC) |
| Input Interfaces | Three-phase current transformer (CT) inputs, 12-channel RTD (R-Series) inputs |
| Output Contacts | Configurable dry contact trip and alarm relays, programmable breaker control logic |
| Serial Interface | RS485 physical port executing Modbus RTU protocol |
| Metering Metrics | Current, voltage, power, energy, thermal capacity, demand, load profile |
| Diagnostic Elements | Enhanced faceplate, waveform oscillography, event logging, cause-of-trip reporting |
| Certifications | CE, UL, CSA |
Deterministic Network Interface and Control Logic
The internal sub-assembly utilizes an embedded processing matrix to maintain a deterministic network interface during heavy data loading. Bus communications are handled via a dedicated RS485 architecture executing the Modbus RTU protocol, enabling consistent mapping of internal registers, event logs, and oscillography data to the host distributed control system (DCS) without software execution jitter. Firmware flash structures preserve real-time synchronization between the 12-channel RTD thermal monitoring array and the breaker control relays, ensuring that execution delays remain below industrial standards during overcurrent or phase unbalance occurrences.
Frequently Asked Questions
Q: How does the 12-channel R-Series RTD hardware interface modify the thermal protection algorithm?
A: The RTD inputs provide direct physical temperature inputs from the motor windings and bearings, allowing the logic processor to scale its thermal capacity calculations based on actual physical heat profiles rather than relying strictly on current-based simulations.
Q: What are the limits regarding network protocol integration via the integrated serial port?
A: The module relies on a physical RS485 terminal block that natively processes the Modbus RTU protocol, meaning connection to Ethernet-based or proprietary automation networks requires an optional networking interface module.
Q: Does the 369-HI-R-0-B-F-0 hardware variation include environmental protective coatings?
A: No, this specific part number configuration does not include the harsh-environment conformal coating option, meaning it must be enclosed within a climate-controlled panel to prevent moisture or corrosive contamination.
Field Installation Guidelines
- Short-circuit all external current transformer secondary circuits securely before modifying any wiring or removing the relay chassis to eliminate hazardous high-voltage arcs.
- Establish a solid copper grounding connection between the relay frame terminal and the primary enclosure earth bus to shield the low-voltage microelectronic components from electromagnetic field interference.
- Use shielded twisted-pair cables for the RS485 serial communication loop and terminate the shield conductor at a single ground point to suppress electrical noise and data packet loss.
- Confirm that the incoming auxiliary power source lines align with the certified HI control voltage window of 50-300 VDC or 60-265 VAC before closing the supply circuit breaker.