SR489-P5-LO-A20 | GE Multilin Generator Management Relay
Manufacturer: GE Fanuc
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Part Number: SR489-P5-LO-A20
Condition：New with Original Package
Product Type: Multilin Generator Management Relay
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The GE Multilin SR489-P5-LO-A20-E-H is a robust generator management relay designed to provide comprehensive protection for industrial and utility generators. It safeguards equipment against electrical and mechanical faults, including overcurrent, over/under voltage, reverse power, loss-of-field, and unbalanced load conditions.
Featuring 5 A phase current inputs, local LCD display, and advanced event recording, this relay allows operators to monitor generator status effectively. Moreover, it supports programmable logic, breaker control, and auto-restart functions, enabling flexible integration into SCADA and automation systems.
Its rugged design with a harsh environment coating ensures reliable operation in demanding industrial conditions. Furthermore, the relay supports remote communications via Modbus RTU, RS232, and RS485, making it suitable for modern power plants, utilities, and industrial facilities.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | SR489-P5-LO-A20-E-H |
| Manufacturer | GE Grid Solutions |
| Series | Multilin SR489 |
| Product Type | Generator Management Relay |
| Current Input Rating | 5 A nominal |
| Display Type | Local LCD display |
| Protection Functions | Overcurrent, undervoltage, reverse power, loss-of-field, unbalance |
| Control Features | Breaker control, auto-restart, programmable logic |
| Event Recording | Time-stamped event and waveform capture |
| Communication Protocols | Modbus RTU, RS232, RS485 |
| Digital I/O | Configurable inputs and outputs |
| Operating Temperature | –20°C to +60°C |
| Mounting Type | Panel-mounted |
| Dimensions | 177 mm × 177 mm × 200 mm |
| Weight | 3.5 kg |
| Certifications | UL, CE, CSA, ANSI/IEEE |
FAQ
Q1: What is the primary function of the SR489-P5-LO-A20 relay?
A1: It provides comprehensive generator protection against electrical and mechanical faults.
Q2: Which communication protocols are supported?
A2: The relay supports Modbus RTU, RS232, and RS485 for remote integration.
Q3: Can this relay handle harsh environments?
A3: Yes, it features a harsh environment coating suitable for industrial conditions.
Q4: What protection features does it include?
A4: Overcurrent, undervoltage, reverse power, loss-of-field, and unbalance detection.
Q5: What is the warranty period?
A5: This model comes with a typical 2-year warranty for reliable operation.