SR489-P5-LO-A20-E Generator Management Relay: A Comprehensive Overview

Product Overview

The SR489-P5-LO-A20-E is a generator management relay manufactured by GE Multilin. It is designed to provide comprehensive protection and control for various types of generators. This relay offers a wide range of features, including overcurrent protection, undervoltage protection, loss of excitation, and more.  

Key Features and Specifications

• Protection Functions: Overcurrent, undervoltage, loss of excitation, negative sequence, ground fault, and other protection functions.
• Control Functions: Generator starting, stopping, synchronization, and other control functions.
• Communication: Supports various communication protocols for integration with other systems.
• Analog Outputs: Provides analog outputs for indicating various parameters.  
• Display: Equipped with a display for monitoring and configuring the relay.  
• Mounting: Can be mounted in a standard panel or rack.
• Environmental Conditions: Designed for industrial environments, with specified temperature and humidity ranges.

Key Parameters (Typical Values)

• Voltage Rating: Varies depending on the specific application.
• Current Rating: Varies depending on the specific application.
• Communication Protocols: Modbus, IEC 61850, etc.
• Dimensions: Refer to the product manual.
• Weight: Refer to the product manual.

Functions and Applications

• Generator Protection: Provides comprehensive protection for generators against various faults.
• Generator Control: Controls the starting, stopping, and synchronization of generators.
• Monitoring: Monitors generator performance and provides alarms for abnormal conditions.
• Integration: Integrates with other systems for overall plant control and monitoring.

Benefits

• Reliability: Designed for harsh industrial environments.  
• Flexibility: Configurable to meet a wide range of application requirements.
• Compatibility: Supports various communication protocols.
• Accuracy: Provides precise measurement and control.

Additional Information

For detailed specifications, wiring diagrams, and programming instructions, please refer to the official product manual provided by GE Multilin.

Specific Features of SR489-P5-LO-A20-E

• Enhanced Display: Provides a clear and intuitive interface for monitoring and configuring the relay.  
• Control Input Power: Supports both 20-60 VDC and 20-48 VAC control input power.  
• Analog Outputs: Offers 4-20 mA analog outputs for indicating various parameters.  
• Harsh Environment Coating: Suitable for demanding industrial environments.

Applications

• Power generation plants
• Industrial facilities
• Marine applications

Note

• Discontinued: Please note that this specific model, SR489-P5-LO-A20-E, might be discontinued. GE Multilin may have newer models with similar or enhanced features.
• Replacement: If you are looking for a replacement, consider GE Multilin’s newer generator management relays, such as the 889 series.
• Legacy Support: While the product might be discontinued, limited legacy support may be available from GE Multilin or third-party providers.

Would you like to know more about specific aspects of the SR489-P5-LO-A20-E, such as its configuration options, compatibility with other systems, or migration to newer models?

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