Description
Product Overview
GE Multilin 369-HI-R-M-0-0-H-E is an advanced digital Motor Management Relay designed for comprehensive protection, control, monitoring, and diagnostic management of medium-sized three-phase AC motors. It belongs to the GE Multilin 369 Motor Management Relay family and is engineered to provide integrated motor protection functions for industrial applications where motor reliability and process availability are critical. The device combines electrical protection, thermal monitoring, metering, event recording, and communication capabilities into a single intelligent relay platform.
GE Multilin 369-HI-R-M-0-0-H-E is configured with the high-voltage control power option (HI), built-in RTD temperature inputs (R), metering package (M), harsh environment coating option (H), and enhanced diagnostics package (E). This configuration enables the relay to monitor motor electrical characteristics, winding and bearing temperatures, operating conditions, and fault events with high accuracy. The integrated RTD capability allows 369-HI-R-M-0-0-H-E to directly monitor motor thermal conditions, helping prevent overheating and extending motor service life.
Within industrial automation and electrical protection systems, GE Multilin 369-HI-R-M-0-0-H-E acts as an intelligent motor protection and management interface between field equipment and supervisory control systems. It supports communication with plant control networks, provides detailed operational data, and assists maintenance teams through advanced diagnostics and event analysis. With its rugged construction and harsh environment option, 369-HI-R-M-0-0-H-E is particularly suitable for demanding applications in oil and gas, power generation, mining, water treatment, and heavy industrial facilities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 369-HI-R-M-0-0-H-E |
| Manufacturer | GE Multilin (GE Vernova / GE Grid Solutions) |
| Product Type | Digital Motor Management Relay |
| Series | GE Multilin 369 Motor Management Relay |
| Application | Three-phase AC motor protection and monitoring |
| Control Power Supply | 50–300 VDC / 60–265 VAC |
| Motor Protection Functions | Overload, locked rotor, phase loss, phase imbalance, ground fault, short circuit |
| RTD Inputs | 12 built-in RTD inputs |
| Metering Function | Advanced motor electrical metering package |
| Communication Interface | RS232 front port, RS485 rear ports |
| Communication Protocols | Modbus RTU, optional industrial protocols depending on configuration |
| Analog Outputs | Programmable analog outputs (0–1 mA, 0–20 mA, 4–20 mA) |
| Digital Inputs | 6 optically isolated inputs |
| Relay Outputs | Programmable trip, alarm, auxiliary outputs |
| Event Recording | Enhanced event recorder, waveform capture, fault logging |
| Diagnostics | Enhanced diagnostics and motor health monitoring |
| Operating Temperature | -40°C to +60°C |
| Storage Temperature | -40°C to +80°C |
| Mounting Type | Panel-mounted, non-drawout design |
| Dimensions | Approximately 296 × 107 × 205 mm |
| Weight | Approximately 4.5 kg |
| Environmental Protection | Harsh environment conformal coating option |
369-HI-R-M-0-0-H-E
Main Features and Advantages
GE Multilin 369-HI-R-M-0-0-H-E provides a complete motor protection solution by combining traditional protective relay functions with advanced digital monitoring technology. Compared with conventional overload relays, 369-HI-R-M-0-0-H-E continuously evaluates motor electrical and thermal conditions, enabling more accurate protection decisions and reducing unnecessary shutdowns.
Advanced thermal protection is one of the main advantages of GE Multilin 369-HI-R-M-0-0-H-E. The integrated 12-channel RTD monitoring capability allows direct measurement of motor winding, bearing, and auxiliary equipment temperatures. This provides additional protection against overheating caused by overload, insufficient cooling, frequent starting, or abnormal operating conditions.
The built-in metering package of 369-HI-R-M-0-0-H-E provides detailed electrical measurements including voltage, current, power, power factor, frequency, kW, kvar, kVA, and energy consumption parameters. This information helps operators understand motor performance, optimize energy usage, and implement predictive maintenance strategies.
The enhanced diagnostic functions of GE Multilin 369-HI-R-M-0-0-H-E significantly improve troubleshooting efficiency. The relay records fault events, alarms, startup information, waveform data, and operational history, allowing engineers to analyze the causes of motor trips and identify developing problems before major failures occur.
The harsh environment option included in 369-HI-R-M-0-0-H-E improves reliability in industrial locations exposed to humidity, dust, corrosive gases, and temperature fluctuations. The conformal coating protects internal electronic components and extends equipment life in challenging operating conditions.
Communication capability is another important advantage of GE Multilin 369-HI-R-M-0-0-H-E. Through serial communication interfaces and supported industrial protocols, the relay can exchange data with PLC systems, DCS platforms, SCADA systems, and plant monitoring networks. This allows centralized motor supervision and improves operational visibility.
With integrated protection, measurement, communication, and diagnostics, GE Multilin 369-HI-R-M-0-0-H-E provides a reliable and intelligent solution for protecting critical motor-driven equipment in modern industrial facilities.
Applications
GE Multilin 369-HI-R-M-0-0-H-E is widely used in industrial motor protection applications where reliable operation of medium-sized AC motors is essential. In oil and gas facilities, the relay is commonly applied to protect motors driving pumps, compressors, fans, and auxiliary process equipment. By monitoring electrical loading, thermal conditions, and fault events, 369-HI-R-M-0-0-H-E helps prevent unexpected equipment failures.
In power generation plants, GE Multilin 369-HI-R-M-0-0-H-E is used for protecting critical motors associated with cooling pumps, boiler feed systems, fans, and auxiliary machinery. The relay provides continuous motor condition monitoring and supports maintenance teams by supplying detailed operational information.
In petrochemical and chemical processing industries, 369-HI-R-M-0-0-H-E helps protect motors operating under demanding conditions where overheating, overload, and mechanical stress can affect production reliability. The RTD monitoring function provides additional protection for high-value motors exposed to continuous operation.
Mining, metallurgy, and heavy manufacturing facilities also benefit from GE Multilin 369-HI-R-M-0-0-H-E because these environments typically involve large numbers of motors operating under variable loads. The relay improves equipment availability by detecting abnormal conditions early and supporting preventive maintenance programs.
Water treatment plants and infrastructure facilities use 369-HI-R-M-0-0-H-E for pumps, blowers, and motor-driven systems requiring reliable protection and remote monitoring. Integration with SCADA and automation systems enables centralized supervision of distributed motor assets.
For OEM equipment manufacturers and industrial system integrators, GE Multilin 369-HI-R-M-0-0-H-E provides a flexible motor management platform that combines protection, monitoring, and communication functions in a single device.
Related Products
GE Multilin 369-HI-R-0-0-0-0-E — Similar 369 relay configuration with RTD inputs and enhanced diagnostics but without metering option.
GE Multilin 369-HI-R-M-0-0-0-E — Equivalent 369 configuration with metering and enhanced diagnostics but without harsh environment coating.
GE Multilin 369-LO Series — Low control power version of the 369 Motor Management Relay family.
GE Multilin 469 Motor Management Relay — Advanced motor protection relay designed for larger and more complex motor applications.
GE Multilin 269 Motor Management Relay — Earlier-generation motor protection relay family.
GE Multilin 869 Motor Protection System — Newer-generation motor protection solution with enhanced communication and cybersecurity features.
GE Multilin 850 Feeder Protection Relay — Related GE Multilin protection product for feeder and distribution applications.
GE EnerVista Software Suite — Configuration and diagnostic software platform used with GE Multilin protection devices.
