GE 369-LO-R-M-0-E-H-E – Multilin Motor Management Relay (Motor Protection & Monitoring System)

Description

1. Product Title

GE 369-LO-R-M-0-E-H-E – Multilin Motor Management Relay (Motor Protection & Monitoring System)

2. Product Overview

The 369-LO-R-M-0-E-H-E is an advanced motor management relay from GE Multilin’s 369 series, designed to provide comprehensive protection, monitoring, and control for medium to large three-phase motors. It acts as a critical protection layer in industrial automation systems by detecting abnormal motor conditions and initiating corrective actions to prevent equipment damage and downtime.

Built for demanding industrial environments, the 369-LO-R-M-0-E-H-E integrates thermal protection, current monitoring, and diagnostic capabilities into a single unit. It supports configurable protection curves and advanced event recording, making it suitable for applications where motor reliability and process continuity are essential. This relay is widely used in power, oil & gas, and heavy manufacturing sectors where motor-driven systems are mission-critical.

3. Technical Specifications

• Brand: GE (Multilin Series)
• Model: 369-LO-R-M-0-E-H-E
• Warranty: One Year
• Condition: 100% New & Original

Detailed Specifications:

• Product Type: Motor Management Relay
• Series: 369 Motor Protection / Management
• Control Power:
  • LO version: 20–60 VDC / 20–48 VAC
• RTD Inputs:
  • Up to 12 RTD inputs for temperature monitoring
• Communication:
  • RS232 / RS485 (model dependent)
• Metering Package: Included (M option)
• Diagnostics: Enhanced diagnostics with advanced faceplate (E option)
• Display & Interface:
  • LED indicators and alphanumeric display
  • Keypad for configuration and monitoring
• Protection Functions:
  • Thermal overload protection
  • Phase imbalance detection
  • Ground fault monitoring
  • Locked rotor / start protection
• Event Recording:
  • Captures alarms, trips, waveform events, and system status
• Environmental Option:
  • Harsh environment capability (H option)
• Mounting: Panel-mounted industrial relay

4. Key Features & Benefits

• Comprehensive Motor Protection:
  Provides multi-layer protection including thermal overload, phase loss, and ground fault detection, reducing risk of motor failure and unplanned downtime.
• Integrated Temperature Monitoring (RTD Inputs):
  Supports up to 12 RTDs, enabling precise thermal supervision of motor windings and bearings for predictive maintenance.
• Advanced Diagnostics & Event Logging:
  Enhanced diagnostics and event recording help operators analyze faults, optimize performance, and improve system reliability.
• Flexible Configuration & Protection Curves:
  Supports custom and standard overload curves, allowing adaptation to different motor types and operating conditions.
• Robust Industrial Design:
  Designed for harsh environments with high electrical noise, ensuring stable performance in heavy-duty applications.

5. Application Scenarios

• Oil & Gas / Petrochemical Plants:
  Protects critical pumps, compressors, and motors operating in continuous process environments.
• Power Generation & Utilities:
  Used for motor protection in auxiliary systems such as cooling pumps, fans, and conveyors.
• Mining, Cement & Heavy Industry:
  Ensures safe operation of high-power motors in harsh environments with high load variability.

6. Frequently Asked Questions (FAQ)

Q: What is the primary function of the 369-LO-R-M-0-E-H-E?
A: It is a motor management relay that provides protection, monitoring, and diagnostics for three-phase industrial motors.

Q: Is 369-LO-R-M-0-E-H-E compatible with legacy systems?
A: Yes, it can integrate with legacy control systems via serial communication (RS232/RS485) and standard I/O interfaces, making it suitable for retrofit and upgrade projects.