Overview
The GE Multilin 469 Motor Management Relay is an advanced protection, control, and monitoring solution for medium-voltage motors and driven equipment. It is part of GE’s SR family of relays and is designed to improve motor performance, enhance protection, and reduce downtime through comprehensive diagnostics and communication capabilities.
Key Features and Benefits
- Comprehensive Motor Protection:
- Voltage-dependent overload curves.
- Torque metering and protection.
- Detection of broken rotor bars.
- Advanced thermal model with multiple RTD inputs for stator thermal protection.
- Simplified Configuration:
- Motor Settings Auto-Configurator simplifies setup by automatically configuring motor parameters.
- Built-in simulation functions facilitate testing and commissioning.
- Flexible Communication:
- Standard RS232 and RS485 ports.
- Optional Ethernet and DeviceNet ports for integration into modern control networks.
- Advanced Diagnostics:
- Event reports, waveform capture, and data logging to reduce troubleshooting time and maintenance costs.
- Full metering capabilities, including demand and energy monitoring.
- Enhanced Durability:
- Optional conformal coating for chemically corrosive or humid environments.
- Draw-out construction for easy replacement and maintenance.
- Asset Monitoring:
- Monitors temperature, analog I/O, and auxiliary equipment through built-in I/O.
Technical Specifications
Power Supply:
- Control Power Options:
- LO Range: 20–60 V DC / 20–48 V AC (48–62 Hz).
- HI Range: 90–300 V DC / 70–265 V AC (48–62 Hz).
- Power Consumption:
- Maximum: 45 VA.
- Typical: 25 VA.
- Operation without Supply Voltage: 30 ms.
Communications:
- RS232 Port: 1 (Front panel, non-isolated).
- Optional: Ethernet and DeviceNet ports.
Environmental Ratings:
- Operating Temperature: -40 °C to +60 °C.
- Storage/Shipping Temperature: -40 °C to +80 °C.
- Humidity: Up to 95% non-condensing @ 55 °C.
- IP Rating:
- Front: IP40.
- Back: IP20.
- Pollution Degree: 2.
Relay Specifics:
- P5: 5 A phase CT secondaries.
- A20: 4–20 mA analog outputs.
- E: Enhanced front panel.
Applications
- Medium and Large Motors:
- Three-phase motors, including high inertia and two-speed motors.
- Reduced-voltage start motors.
- Driven Equipment:
- Compressors, pumps, conveyors, and other industrial machinery.
Ordering Code Breakdown
Code | Description |
---|---|
469 | Motor Management Relay |
P5 | 5 A phase CT secondaries |
HI | High range power supply (90–300 V DC / 70–265 V AC) |
A20 | 4–20 mA analog outputs |
E | Enhanced front panel |
Contact Us
- Phone: +86-15915488782
- Email: uma@meloauto.com
- WhatsApp: +8615915488782
- Business Hours: 24/7 service
- Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China
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