GE SR489-P5-LO-A20-E Low Voltage Generator Management Relay for Industrial Control Systems
The GE SR489-P5-LO-A20-E is a high-performance relay designed for generator protection applications. It provides reliable management and protection of induction or synchronous generators with a low voltage 4-20 mA analog output.
Communication Ports:None, Odd, Even
Harsh Environment Coating:Not Available on this Model
High-Set Phase Overcurrent Elements Trip:IRIG-B Amplitude Modulated 2.5 to 6.0 Vpk-pk at 3:1 signal ratio
Low Forward Power Time Delay:0.2 to 120.0 s in steps of 0.1
Phase Overcurrent Voltage Restraint:Programmable Fixed Characteristic
Pollution Degree:II
Pulse Output:Pulse Width 200 to 1000 ms in steps of 1
Tachometer:Configurable Assignable to Digital Inputs 4 to 7
Weight:Approximately 10 lbs.
Frequency Range:25, 50 or 60 Hz
Display:40-character display for value messages, diagnostics, and setpoints
Digital Inputs:4 to 7
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.
The GE SR489-P5-LO-A20-E Generator Protection Relay is engineered for reliability and efficiency, ensuring robust protection against overcurrent and other faults that can compromise generator operation.
It features a wide control power range that allows for flexible installation options, accommodating various voltage requirements without compromising performance.
With its 4-20 mA analog output, this relay provides accurate and reliable current measurements, which are essential for precise monitoring and control of generator systems.
The relay is equipped with digital inputs configurable up to seven, allowing for enhanced customization and integration with existing industrial control systems.
Installation and maintenance are simplified with the fully drawout design, which includes automatic CT shorts for added safety during servicing.
This model comes with a built-in flash memory, enabling data storage and retrieval for diagnostics and historical analysis.
The integrated trip coil supervision ensures continuous monitoring of the breaker status, providing immediate alerts in case of any issues.
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