Product Description

The GE 369-LO-R-0-0-E-0-E is a high-performance digital motor management and protection relay belonging to the GE Multilin 369 series. Designed specifically for medium-sized industrial AC motor systems, it serves as the core monitoring, protection and control unit for motor operation loops, integrating comprehensive electrical parameter measurement, multi-dimensional fault protection, operational logic control and data recording functions. This relay effectively safeguards industrial motor equipment from various electrical faults and abnormal operating conditions, ensuring safe, stable and continuous operation of motor-driven production systems.

This device adopts advanced digital signal processing technology with low-control-power (LO) power supply design, supporting wide-range 20–60VDC and 20–48VAC power input for strong on-site power adaptability. It provides complete motor protection functions including overload, short circuit, phase loss, unbalanced current and over-temperature protection, covering full-scenario motor fault risk prevention. Equipped with high-precision signal sampling, built-in event recording, waveform capture and enhanced diagnostic functions, it enables accurate fault analysis and equipment health assessment. Supporting mainstream industrial communication protocols for remote data transmission and parameter configuration, it features industrial-grade anti-interference performance and compact rugged structure, supporting 24/7 long-term stable operation in harsh industrial power environments.

Main Specifications

1. Full Part Number: 369-LO-R-0-0-E-0-E; Product Type: Multilin 369 series digital motor management protection relay
2. Applicable System: Industrial medium-sized AC three-phase motor power distribution and operation control systems
3. Core Function: Motor electrical parameter monitoring, multi-protection interlock, operational control, fault recording and remote communication
4. Power Supply Mode: LO low control power design, compatible with 20–60VDC / 20–48VAC wide-range power input
5. Protection Functions: Overload, short circuit, phase unbalance, phase loss, over-temperature and other comprehensive motor fault protection
6. Monitoring Performance: High-precision real-time sampling of motor current, voltage, power and operating status parameters
7. Diagnostic Capability: Built-in waveform capture, event logging and enhanced equipment health diagnosis functions
8. Communication Function: Support standard industrial communication protocols for remote monitoring and parameter debugging
9. Configuration Feature: Compatible with professional motor setting auto-configuration tools for fast on-site commissioning
10. Reliability: Industrial rugged design with excellent EMC anti-interference ability for long-cycle motor system protection tasks

Core Functions

1. Act as the dedicated intelligent protection and monitoring core for industrial AC motor systems.
2. Realize real-time high-precision monitoring of motor current, voltage and running state parameters.
3. Execute comprehensive electrical fault protection to cut off abnormal loops and avoid motor burnout damage.
4. Record operating events and fault waveforms to support accurate post-fault analysis and troubleshooting.
5. Support remote data interaction and parameter configuration to realize unattended motor operation management.
6. Effectively extend motor service life and improve the overall operational stability of automated production systems.

Application Scenarios

1. Factory automation medium and large AC motor operation protection and monitoring systems
2. Petrochemical, metallurgy and chemical industry heavy-load motor safety control scenarios
3. Power plant auxiliary equipment, water treatment and HVAC motor protection platforms
4. Replacement and upgrading of aging GE Multilin 369 series motor management relays
5. Industrial sites requiring full-function intelligent protection and health monitoring for AC motors