Description
Product Title
GE 489-P1-LO-A20-E – Multilin Generator Management Relay
Product Overview
The GE 489-P1-LO-A20-E is a multifunctional generator management relay designed for comprehensive protection, monitoring, and control of small to medium-sized generators. As part of the Multilin 489 series, it integrates advanced protection functions with real-time monitoring and communication capabilities, making it a critical component in power generation and distribution systems.
The 489-P1-LO-A20-E provides precise control over generator performance by monitoring electrical parameters, thermal conditions, and mechanical signals such as vibration. It helps prevent faults like overcurrent, phase imbalance, and overheating, ensuring safe and efficient generator operation. With built-in communication protocols, it can be seamlessly integrated into DCS and SCADA systems for centralized supervision and diagnostics.
Technical Specifications
- Brand: GE
- Model: 489-P1-LO-A20-E
- Warranty: One Year
- Condition: 100% New & Original
- Input/Output:
- 1A phase current transformer (CT) inputs
- 4–20 mA analog inputs for vibration and process signals
- Relay outputs for protection and control
- Control Power Supply:
- 20–60 VDC
- 20–48 VAC (48–62 Hz)
- Operating Performance:
- Relay operation time: ~10 ms
- Energy metering update rate: 50 ms
- Communication:
- Modbus RTU
- Modbus TCP/IP
- DNP3 protocol support
- Protection & Monitoring:
- Overcurrent and phase protection
- Thermal protection via RTDs
- Vibration monitoring inputs
- Differential protection with dual slope characteristics
- Display & Interface:
- Enhanced LCD display with keypad interface
- Real-time status, alarms, and diagnostics display
Key Features & Benefits
- Comprehensive Generator Protection:
Integrates multiple protection functions (overcurrent, thermal, differential), ensuring safe generator operation and minimizing risk of damage. - Integrated Monitoring & Diagnostics:
Provides real-time visibility into electrical and mechanical parameters, enabling predictive maintenance and faster troubleshooting. - Advanced Communication Capabilities:
Supports Modbus and DNP3 protocols, allowing seamless integration with SCADA and DCS systems for centralized monitoring. - User-Friendly Interface:
Equipped with an enhanced LCD display and keypad, simplifying configuration, diagnostics, and on-site operation.
Application Scenarios
- Power Generation Plants:
Used for protection and monitoring of small to medium generators, ensuring stable and safe power output. - Industrial Captive Power Systems:
Provides generator protection in manufacturing facilities with on-site power generation. - Oil & Gas & Utilities:
Ensures reliable operation of generator sets in remote and critical infrastructure environments.
Frequently Asked Questions (FAQ)
- Q: What is the primary function of the 489-P1-LO-A20-E?
- A: The 489-P1-LO-A20-E is a generator management relay that provides protection, monitoring, and control of generator systems.*
- Q: Is 489-P1-LO-A20-E compatible with legacy systems?
- A: Yes, it supports standard industrial communication protocols like Modbus and DNP3, allowing integration with both modern and legacy control systems.*
