Product Description

The GE SR469-P5-HI-A20-E is a professional intelligent motor management relay developed by GE Multilin, specially designed for medium and large industrial motor equipment. It integrates comprehensive motor protection, real-time parameter monitoring, logic control and data communication functions into a single compact unit. This device effectively guards against various motor faults, precisely tracks operating parameters, and provides reliable safety protection and operational management for critical industrial motor sets.

Adopting industrial-grade microprocessor and conformal coating anti-corrosion design, this relay supports wide-range AC/DC dual power input and 5A CT secondary matching. It features multi-level electrical protection, high-precision data acquisition and powerful anti-electromagnetic interference capability. Equipped with LCD display and modular plug-in structure, it enables convenient on-site configuration and maintenance, ensuring 24/7 long-term stable operation for harsh industrial motor control systems.

Main Specifications

1. Full Model: SR469-P5-HI-A20-E; Product Type: Industrial medium-voltage dedicated intelligent motor management protection relay
2. Applicable System: Medium and large industrial AC motor sets, power plant auxiliary motors, and process industrial motor control systems
3. Core Function: Motor fault protection, electrical parameter measurement, operating status monitoring, logic control and data communication transmission
4. Power Input: Wide adaptive power supply, 70–265VAC / 90–300VDC, 48–62Hz industrial frequency range
5. CT Matching: Standard 5A current transformer secondary interface, suitable for mainstream industrial motor current sampling
6. Protection Functions: Integrated overload, short circuit, earth fault, phase loss, unbalance and stall comprehensive protection logic
7. Measurement Capability: Real-time monitoring of current, voltage, frequency, power and other multi-dimensional electrical parameters
8. Communication Interface: Supports RS-232 serial port and standard Modbus communication protocol for system networking docking
9. Output Configuration: Built-in 4-channel 4-20mA analog output and multi-group relay switch control contacts
10. Environmental Reliability: Conformal coating anti-corrosion treatment, anti-interference and anti-vibration, adapting to harsh industrial environments

Core Functions

1. Acts as the core protection and management unit for industrial medium-voltage motor equipment.
2. Provides full-range fault protection to avoid motor burnout and equipment damage caused by abnormal operation.
3. Accurately collects real-time electrical operating parameters of motors for operational status analysis.
4. Executes automatic trip and alarm actions when motor faults occur to isolate hidden safety hazards in time.
5. Supports flexible parameter configuration and logic setting to adapt to diverse motor working conditions.
6. Realizes data networking transmission to upload motor operating data to upper SCADA monitoring systems.
7. Records motor fault events and operating logs to support equipment maintenance and fault tracing.
8. Integrates high-precision analog output to realize closed-loop monitoring and auxiliary control.
9. Features excellent environmental adaptability for long-term stable operation in corrosive and interfering scenarios.
10. Guarantees safe, standardized and efficient operation of key industrial motor equipment systems.

Application Scenarios

1. Thermal power plant auxiliary medium-voltage motor protection and intelligent management projects
2. Petrochemical and chemical industry large-scale process motor safety monitoring systems
3. Metallurgy, cement and mining heavy industry high-power motor control and protection scenarios
4. Water treatment and environmental protection engineering key motor equipment monitoring platforms
5. Old industrial motor protection relay replacement and system intelligent upgrading projects
6. Harsh industrial environments with corrosion, vibration and strong electromagnetic interference
7. 24-hour uninterrupted operation industrial motor full-cycle safety guarantee systems
8. Medium-voltage power distribution system motor equipment centralized monitoring and control projects
9. Industrial automated production line power motor fault early warning and protection scenarios
10. High-reliability industrial motor equipment safety management and operation monitoring occasions