GE SR489-P5-LO-A20-E Generator Protection Relay – Advanced Generator Management Solution
The GE SR489-P5-LO-A20-E is a high-performance generator management relay designed for low voltage applications. It is specifically engineered to manage and protect induction or synchronous generators by providing precise current monitoring and control. This model supports 4-20 mA analog output, making it an ideal solution for industrial control systems.
Analog Current Output Isolation:36 Vpk (isolated with RTDs and analog inputs)
Case Type:Fully drawout (automatic CT shorts)
Digital Inputs:489
Sensor Supply:24 V DC at 20 mA max
Impedance:Time Delay 0.1 to 100.0 s in steps of 0.1
Negative Sequence Overcurrent Pickup Level:3 to 100% FLA in steps of 1
Phase Distance Characteristics:Offset mho
RTD Inputs Sensing Current:5 mA
Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7
Shipping Weight:7.7 kg or 17 lbs.
This advanced generator management relay from GE is engineered for precise control and protection of your generator systems.
It features a robust design capable of handling up to five ampere CT secondaries, ensuring reliable performance even in demanding environments.
The 4-20 mA analog output facilitates seamless integration with a wide range of industrial control systems.
Built-in features such as breaker failure protection and flash memory supervision provide additional layers of security and reliability.
The relay’s modular design allows for easy installation and maintenance, making it a versatile choice for various applications.
With its user-friendly interface and comprehensive monitoring capabilities, the GE SR489-P5-LO-A20-E offers unparalleled efficiency and peace of mind.











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