GE 369-HI-0-M-0-E-0-0 Motor Protection Relay | Multilin Series

GE 369-HI-0-M-0-E-0-0 Motor Protection Relay – Advanced Industrial Motor Control

The GE 369-HI-0-M-0-E-0-0 Motor Protection Relay delivers comprehensive protection, monitoring, and control for critical AC motor applications in industrial environments. Engineered by General Electric’s Multilin division, this relay combines advanced thermal modeling, real-time diagnostics, and flexible communication protocols to safeguard your motor assets and maximize uptime.

Technical Specifications

• Model Number: 369-HI-0-M-0-E-0-0
• Current Rating: Up to 2300A with external CTs
• Voltage Range: 100-240VAC/125-250VDC power supply
• Protection Functions: Thermal overload, locked rotor, phase unbalance, ground fault, undervoltage, overvoltage
• Communication: Modbus RTU protocol support
• Display: High-visibility LCD with real-time parameter monitoring
• Operating Temperature: -40 °C to +70 °C
• Mounting: Panel or DIN rail installation

Application Scenarios

This motor protection relay excels in demanding industrial applications including pumps, compressors, conveyors, fans, crushers, and process machinery. Ideal for water treatment facilities, mining operations, oil and gas processing, manufacturing plants, and HVAC systems where motor reliability is mission-critical. The 369 series integrates seamlessly into existing SCADA systems for centralized monitoring and control.

Intelligent Protection Solutions

Advanced thermal modeling algorithms continuously calculate motor temperature based on load current, ambient conditions, and thermal history. The relay prevents costly motor failures by detecting abnormal operating conditions before damage occurs. Programmable trip curves adapt protection to specific motor characteristics, while comprehensive event logging facilitates root cause analysis and predictive maintenance strategies.

Key Features & Benefits

• RTD input for direct stator temperature monitoring
• Programmable digital inputs/outputs for flexible control logic
• Trip and alarm history with time-stamped event recording
• Password-protected settings prevent unauthorized changes
• Self-diagnostic capabilities ensure relay integrity
• Hot-swappable design minimizes downtime during maintenance
• UL, CSA, and CE certified for global compliance

Common Questions & Answers

Q: Can this relay protect motors with variable frequency drives?
A: Yes, the 369-HI model includes VFD-compatible protection algorithms that account for harmonic content and variable speed operation.

Q: What CT ratio is required for installation?
A: The relay accepts standard CT ratios from 1:1 to 9999:1, configurable through the front panel or communication interface.

Q: Does it support remote reset functionality?
A: Absolutely. Remote reset can be configured via digital inputs or Modbus commands for automated fault recovery.

Q: How many trip classes are available?
A: The relay offers Class 10, 15, 20, 25, and 30 thermal curves plus custom programmable curves to match any motor specification.

Warranty & Support

Backed by a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Our technical support team provides installation guidance, configuration assistance, and troubleshooting expertise to ensure optimal relay performance throughout its service life.

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