The GE Multilin 369-HI-0-M-0-0 is a comprehensive, microprocessor-based motor protection relay designed to safeguard medium-voltage AC induction motors. By providing advanced thermal modeling, fault detection, and real-time monitoring, this device prevents catastrophic motor failures caused by overloads, phase imbalances, locked rotors, and other electrical abnormalities. It is a critical component for operators in high-intensity industrial sectors—such as oil and gas, power generation, and heavy manufacturing—seeking to maximize equipment uptime and minimize maintenance costs.

Technical Specifications

Operational & System Features

• ⚙️ System Compatibility: Engineered for integration with standard motor control center (MCC) protection architectures for medium-voltage motors.

• ⚡ Protection Logic: Features precise thermal overload curves and RTD biasing, allowing the relay to account for real-time temperature data alongside current-based protection.

• 🛡️ Signal Integrity: Equipped with high-accuracy current transformer (CT) inputs and voltage sensing for comprehensive monitoring of supply quality.

• 🔌 Connectivity: Includes RS485 communication interfaces to support integration into plant-wide SCADA and distributed control systems (DCS).

• 📊 Diagnostic Capability: Offers advanced event recording, post-trip analysis, and fault waveform capture to expedite troubleshooting and predictive maintenance.

Physical & Origin Details

• 📏 Dimensions: Compact panel-mount form factor, designed for standard switchgear door installation (approx. 230 mm x 175 mm x 200 mm).

• ⚖️ Weight: Rugged, durable industrial construction, weighing approximately 2.5 kg to 3.0 kg.

• 🌍 Origin: Manufactured to strict utility-grade standards for reliable service in severe industrial and substation environments.

Recommended Related GE Motor Protection Modules

To establish a comprehensive protection and monitoring ecosystem for your industrial motor assets, the following GE protection devices are frequently utilized:

• 369-HI-R-0 – Version with enhanced I/O and communication flexibility for larger protection schemes.

• 469-P5-HI-A20 – Advanced Motor Management Relay for large, mission-critical synchronous and induction motors.

• 869-HI-R-M-E-0 – Next-generation motor protection system featuring high-speed protection and arc flash detection capabilities.

• 269-Plus – Reliable legacy-standard motor protection relay, widely used for foundational industrial motor control.

• MM300-G-0-P5-HI – Compact, cost-effective motor management relay optimized for lower-voltage applications.

• EPM 6000 – Power quality meter for granular monitoring of electrical load stability on the motor supply line.

• Multilin 750 – Feeder protection relay often used to manage upstream protection alongside motor starters.

• Multilin 745 – Transformer protection relay, frequently installed in proximity to motor protection devices in substation environments.