GE SR489-P5-LO-A20-E: Low Voltage 4-20 mA Analog Output Relay for Generator Protection

In stock

The GE SR489-P5-LO-A20-E is a specialized relay designed for generator protection, offering precise monitoring and control capabilities. This device ensures efficient operation and protection of induction and synchronous generators.

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

Analog Current Output Isolation:36 Vpk (isolated with RTDs and analog inputs)

Case Drawout:Fully drawout (automatic CT shorts)

Digital Inputs:489

Sensor Supply:24 V DC at 20 mA max impedance

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

Sequential Trip Configurable:Assignable to digital inputs 1 to 7

Shipping Weight:7.7 kg or 17 lbs

Thermal Model Curve Biasing:Phase unbalance, hot/cold curve ratio, stator

The GE SR489-P5-LO-A20-E is meticulously engineered for generator protection, ensuring reliable performance under demanding industrial conditions. This relay features advanced high-set phase overcurrent elements that trip with IRIG-B amplitude-modulated signals, providing robust protection against overcurrent events. With programmable phase overcurrent voltage restraint and configurable tachometer assignments, it offers flexibility and precision in generator management. Designed with a fully drawout case for ease of installation and maintenance, the SR489-P5-LO-A20-E also boasts an intuitive 40-character display for clear visibility of value messages, diagnostics, and setpoints. Ideal for both induction and synchronous generators, this relay is compatible with a wide range of operational frequencies, making it a versatile choice for diverse industrial applications. The low forward power time delay and negative sequence overcurrent pickup level ensure optimal protection, while the sequential trip configuration enhances system reliability. Experience unparalleled performance and efficiency with the GE SR489-P5-LO-A20-E.

GE SR489-P5-LO-A20-E