GE SR489-P5-HI-A1-E – Generator Management Relay with Enhanced Display

Analog Current Input Type:Passive IRIG-B

Impedance:50 kΩ ±10%

Loss of Excitation Timing Accuracy:±100ms or ± 0.5% of total time

Max Continuous Phase Voltage Inputs:280 VAC

Neutral Voltage Input VT Secondary:100 VAC at Full-Scale

RTDs:1 to 12

Pickup Hysteresis:2°C

Undervoltage Pickup Accuracy:As Per Voltage Inputs

Phase Current Inputs:5A phase CT secondaries

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

Digital Inputs:489

Sensor Supply:24 V DC at 20 mA max

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

Shipping Weight:17 lbs.

Case Drawout:Fully drawout (automatic CT shorts)

    The GE SR489-P5-HI-A1-E is an indispensable tool for industrial control systems, offering a comprehensive set of features tailored to meet the rigorous demands of the industry.

     With an enhanced display, this generator management relay provides a clear and concise overview of operational parameters, making it easier to monitor and manage your system’s health.

     Designed with motor protection and RTU functions in mind, the SR489-P5-HI-A1-E ensures reliable operation even under extreme conditions.

     Encased in a robust, flame, corrosion, and dust retardant SR-469 series chassis, it offers superior protection against environmental hazards.

     This model supports passive IRIG-B input and comes with an impedance of 50 kΩ ±10%, ensuring high accuracy and reliability.

     The relay’s compact design, weighing in at just 17 lbs, and dimensions of 12 inches wide, 11 inches high, and 10 inches deep, make it easy to integrate into existing systems without compromising space.