Phase Current:5 A
Voltage Range (Line Voltage):90-300VDC, 70-265VAC
Enclosure Rating:20-X
Frequency Range:48-62Hz
Overvoltage Category:II
Insulation Voltage:300V
Pollution Degree:2
Analog Current Inputs Accuracy:±1% of full scale
RTD Inputs Isolation:36 Vpk (isolated with analog inputs and outputs)
Maximum Altitude:2000 m
Tachometer Duty Cycle:> 10%
Trip Coil Supervision:Trickle Current 2 to 5 mA
Underfrequency Pickup Accuracy:±0.02 Hz
Shipping Weight:7.7 kg or 17 lbs
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
Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7
Case Drawout:Fully drawout (automatic CT shorts)
The GE SR489-P5-HI-A20-E is the most installed relay in the 489 Generator Protection Series, renowned for its robust performance and reliability.
Designed with advanced metering and protection functionalities, this relay ensures optimal operation in critical industrial settings.
With integrated features like trip and alarm protection, breaker failure flash memory, and VT fuse failure simulation, it offers comprehensive monitoring and safeguarding capabilities.
The 489 Enervista 489PC software allows users to easily interact and program the relay directly from a PC, enhancing operational efficiency.
Furthermore, a SR489-CASE draw-out case is included in new factory package versions, ensuring safe and secure installation.
Built to withstand harsh environmental conditions, the SR489-P5-HI-A20-E is the ideal choice for demanding industrial environments requiring dependable generator management solutions.
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