Description
Product Description
GE 369-HI-R-0-0-0-0-E is a high-performance motor protection and management relay from GE Multilin 369 series, designed for comprehensive protection, monitoring, and control of medium and high-voltage motors, generators, and transformers. It serves as a core component in critical industrial systems, integrating over 20 protection functions such as overload, short circuit, phase loss, ground fault, and locked rotor protection to prevent equipment damage. GE 369-HI-R-0-0-0-0-E features a 128×64 graphic LCD display and six operation keys, supporting intuitive parameter configuration and real-time monitoring of 50+ electrical parameters including three-phase current, voltage, power, and energy. Its “HI” identifier indicates a standard housing design, while “R” signifies built-in RS485 communication, and “0-0-0-0-E” represents standard function configuration. With a wide operating temperature range of -30°C to +70°C, IP40 protection, and compatibility with Modbus RTU protocol, GE 369-HI-R-0-0-0-0-E delivers reliable performance in power generation, petrochemical, metallurgical, and manufacturing industries, safeguarding key equipment like large compressors, pumps, and fans.
Product Parameters
- Module Type: Motor protection and management relay (GE Multilin 369 series)
- Core Function: Motor fault protection, real-time parameter monitoring, fault recording, remote control, DCS/SCADA integration
- Electrical Specifications: 24–240V AC/DC auxiliary power; 5A CT secondary input current; 4 independent normally open relay outputs (5A/250V AC)
- Protection Functions: Overload (inverse/time-definite), short circuit, phase imbalance, ground fault, under/over voltage, locked rotor, over power protection
- Measurement Capabilities: Current/voltage (±0.2% FS accuracy), power (±0.5% FS accuracy), power factor, energy; 8 dry contact inputs (24V DC wet contact compatible)
- Communication: RS485 interface; supports Modbus RTU; up to 115200bps communication rate
- Mechanical & Environmental: 144mm×144mm×155mm dimensions; ~0.5kg weight; panel/DIN rail mounting; -30°C to +70°C operating temperature; -40°C to +85°C storage temperature; IP40 protection
- Key Features: Thermal memory function, fault waveform recording (COMTRADE format), Chinese/English menu, anti-vibration (IEC 60068-2-6), surge suppression (±2kV)
Advantages and Features
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Comprehensive Protection Coverage
GE 369-HI-R-0-0-0-0-E offers multi-dimensional fault protection, including unique thermal memory technology that tracks motor winding temperature accumulation for precise overload prevention.
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High-Precision Monitoring & Diagnostics
The relay provides accurate measurement of electrical parameters and records fault waveforms, enabling quick root cause analysis and reducing downtime with GE 369-HI-R-0-0-0-0-E.
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Seamless System Integration
Built-in RS485 and Modbus RTU support allows GE 369-HI-R-0-0-0-0-E to easily connect to DCS/SCADA systems, facilitating remote monitoring and centralized control.
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User-Friendly Operation
Intuitive LCD display and multi-language menu simplify configuration, while front-panel keys and clear status indicators make on-site operation and maintenance of GE 369-HI-R-0-0-0-0-E hassle-free.
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Rugged Industrial Adaptability
Wide temperature tolerance, IP40 protection, and anti-vibration design ensure GE 369-HI-R-0-0-0-0-E operates stably in harsh industrial environments.
Application Cases in Application Fields
- Petrochemical Industry: GE 369-HI-R-0-0-0-0-E protects centrifugal compressors and pump motors in refineries, detecting phase imbalance and ground faults to avoid unplanned shutdowns during critical production processes.
- Power Generation: It safeguards boiler feed pump motors and induced draft fan motors in thermal power plants, using inverse-time overcurrent protection to match motor thermal characteristics and prevent burnout.
- Metallurgical Manufacturing: The relay monitors and protects rolling mill motors and conveyor motors, providing locked rotor protection to handle sudden load surges and reduce equipment damage risks.
- Water Treatment: GE 369-HI-R-0-0-0-0-E ensures reliable operation of water pump motors in sewage treatment plants, with under-voltage protection preventing motor damage during power fluctuations.
Comparisons with Competing Products
| Parameter | GE 369-HI-R-0-0-0-0-E | ABB HIEE300024R4 | Siemens 7SJ61 |
|---|---|---|---|
| Core Type | Motor Protection & Management Relay | Motor Management Relay | Overcurrent Protection Relay |
| Protection Functions | 20+ (overload/short circuit/ground fault etc.) | 15+ basic protection functions | Focus on overcurrent/short circuit protection |
| Measurement Parameters | 50+ (current/voltage/power/energy) | 30+ key electrical parameters | Limited to current/voltage monitoring |
| Communication | RS485 (Modbus RTU) | RS-232 | Profibus DP optional |
| Operating Temperature | -30°C to +70°C | -40°C to +70°C | -25°C to +70°C |
| Target Use | Medium/high-voltage motors in diverse industries | Power system equipment protection | General industrial motor protection |
Selection Suggestions and Precautions
Selection Suggestions
- Choose GE 369-HI-R-0-0-0-0-E for medium/high-voltage motor protection projects needing comprehensive fault coverage, high-precision monitoring, and seamless DCS integration.
- Select it for critical applications in petrochemical, power generation, or metallurgical industries where reliable motor operation and quick fault diagnosis are essential.
Precautions
- Ensure the auxiliary power supply matches the 24–240V AC/DC range to avoid damaging GE 369-HI-R-0-0-0-0-E.
- Calibrate CT secondary input parameters correctly during configuration to ensure accurate current measurement and protection action.
- Regularly check fault records and waveform data to proactively identify potential motor issues with GE 369-HI-R-0-0-0-0-E.
- Follow proper wiring guidelines for input/output contacts and communication lines to maintain signal integrity and protection reliability.
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