Description
1. Product Overview
Model: 369-HI-R-0-0-E-0-E
Manufacturer: GE Multilin
Application Scope: Designed for medium and large industrial three-phase AC motors in thermal power, chemical, metallurgical and water treatment industries. Suitable for constant-speed and variable-frequency drive motors, installed in motor control cabinets and MCC centers for comprehensive motor safety protection and intelligent monitoring.
Definition: Integrated motor management relay of GE 369 series. It integrates electrical protection, condition monitoring, fault recording, energy metering, remote communication and event logging. With high-precision sampling and dedicated protection algorithms, it monitors motor current, voltage, temperature, frequency and insulation status in real time, providing accurate alarm and trip protection for electrical and mechanical faults. It supports local human-computer interaction and remote SCADA monitoring, realizing full-life-cycle operation and maintenance management for industrial motors.
2. Hardware Structure & Six Functional Units
2.1 High-Precision Parameter Sampling Unit
Equipped with industrial high-precision AD converter for synchronous acquisition of three-phase current, voltage, ground current, frequency, power and energy data with 1-class accuracy. It accurately captures minor operating fluctuations of motors and provides reliable data support for protection action and condition analysis, adapting to complex working conditions such as variable load and frequency conversion operation.
2.2 Full-Range Motor Protection Unit
Built-in comprehensive programmable protection algorithms covering overload, locked rotor, start timeout, phase loss/imbalance, over/under voltage, ground fault, phase sequence error, winding and bearing over-temperature. All protection set values, delay time and logic are freely configurable to match industrial motors of different power and operating modes, effectively avoiding motor burnout and equipment failure.
2.3 Fault Recording & Data Storage Unit
Supports fault waveform capture and sequence of event (SOE) recording. It automatically stores complete operating waveforms, fault types and action records before and after faults. All parameters and historical data are permanently saved after power failure, enabling accurate fault traceability and greatly reducing troubleshooting time.
2.4 Industrial Communication & Remote Control Unit
Onboard RS485 interface with native Modbus RTU protocol, seamlessly connecting with PLC and SCADA systems. It realizes remote data upload, parameter modification, fault alarm push and status monitoring, adapting to intelligent unattended workshop and remote operation and maintenance scenarios.
2.5 Local Human-Computer Interaction Unit
Front LCD display and physical keys support on-site real-time viewing of motor parameters, operating status and fault information. Local parameter setting, configuration, fault reset and data clearing are available without external equipment, ensuring convenient on-site commissioning and inspection. Dedicated LED indicators visually display abnormal working conditions.
2.6 Industrial Reinforced Protection Unit
Wide AC/DC universal power supply with built-in surge, overvoltage, undervoltage and EMI anti-interference circuits. Flame-retardant metal shell and full conformal coating ensure moisture, dust and corrosion resistance. Equipped with 3.15A/250V fuse for short-circuit and overload protection, supporting 24/7 continuous operation in harsh industrial environments.
3. Technical Specifications
3.1 Core Functional Parameters
Item | Specification |
|---|---|
Model | 369-HI-R-0-0-E-0-E Motor Management Relay |
Series | GE Multilin 369 Industrial Motor Protection Series |
Core Functions | Motor protection, temperature monitoring, energy metering, fault recording, remote communication |
Applicable Equipment | Industrial three-phase AC motors, VFD-driven motors |
Measurement Accuracy | Level 1 industrial precision |
Protection Mode | Fully programmable set value, delay and logic configuration |
3.2 Electrical & Communication Parameters
- Power Supply: Industrial wide-range AC/DC universal power supply
- Operating Frequency: 50/60Hz standard industrial frequency, 20~100Hz wide-frequency acquisition
- Fuse Specification: 3.15A, 250V, 5×20mm replaceable fuse
- Communication Interface: RS485 serial port
- Protocol: Standard Modbus RTU
- Data Storage: Permanent data retention after power loss
3.3 Environmental Parameters
- Operating Temperature: -40℃ ~ +60℃
- Storage Temperature: -45℃ ~ +85℃
- Humidity: 5%~95%RH non-condensing, no corrosive gas
- EMC Standard: Industrial Class A anti-interference level
- Vibration Resistance: Adapt to long-term vibration of industrial MCC cabinets
- Installation Environment: Indoor sealed control cabinet installation
3.4 Mechanical Parameters
- Mounting Type: Panel embedded installation for standard control cabinets
- Shell Material: Flame-retardant and anti-corrosion metal
- Dimension: 11.5(H) × 5.5(W) × 8.5(L) inches
- Net Weight: Approx. 1.8kg
- Structural Feature: Compact integrated design for cabinet space saving
4. Core Product Advantages
1. Full motor fault protection coverage prevents equipment burnout
Covers all common electrical and mechanical faults such as overload, locked rotor, phase loss, over/under voltage and over-temperature. Precise and fast protection action eliminates motor burnout, shaft damage and line short-circuit risks, ensuring long-term safe operation of industrial motors.
2. High-precision metering supports refined motor management
Synchronously collects full-scale operating parameters including current, voltage, power and energy, providing accurate data support for equipment energy efficiency analysis, load scheduling and operation maintenance, meeting refined industrial production management requirements.
3. Fault recording and traceability shorten maintenance time
Built-in event logging and waveform capture functions retain complete pre-fault and post-fault data, enabling accurate fault location and cause analysis, solving the problem of hidden motor faults and difficult troubleshooting in industrial sites.
4. Standard remote communication adapts to intelligent control systems
Native Modbus RTU protocol seamlessly connects with PLC and SCADA systems to realize remote visualization, alarm push and parameter setting, adapting to modern intelligent unattended workshops and centralized remote management modes.
5. Programmable flexible configuration fits multiple motor types
All protection values, delay time and logic are freely programmable, compatible with industrial motors of different power, starting modes and load characteristics (power frequency / variable frequency), with strong universal adaptability.
6. Industrial durable design with low maintenance cost
Wear-free integrated structure with full conformal coating and multi-level circuit protection resists high temperature, dust, humidity and electromagnetic interference. Stable 24/7 operation requires only regular inspection, minimizing daily operation and maintenance workload.
5. Application Scenarios
Thermal & Hydropower Industry
Protection and monitoring for auxiliary equipment motors such as fans, water pumps and cooling equipment, ensuring stable operation of power plant auxiliary systems through fault interlock and condition monitoring.
Petrochemical Industry
Comprehensive protection for process equipment motors including delivery pumps, compressors and mixers, avoiding production line shutdown and safety hazards caused by motor faults to ensure continuous chemical production.
Metallurgy, Building Materials & Water Treatment
Safety protection and refined management for heavy-duty equipment motors such as crushers, hoists and water pump units, adapting to harsh working conditions of heavy load, impact load, humidity and dust.
