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 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.
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