Analog Current Input Accuracy:±1% of full scale
Fuse Model:215-02.5
Ingress Protection:IP40 front, IP10 back
Maximum Altitude:2000 m
Overvoltage Category:II
RTD Inputs Isolation:36 Vpk (isolated with analog inputs and outputs)
Sinusoidal Vibration Test Level:Class 1
Underfrequency Pickup Accuracy:±0.02 Hz
Tachometer Duty Cycle:> 10%
Trip Coil Supervision:Trickle Current 2 to 5 mA
Voltage Phase Reversal Configuration:ACB or ABC
Production Tests Dielectric Strength:1.9 kV AC for 1 second or 1.6 kV AC for one minute, per UL 508
Shipping Weight:7.7 kg or 17 lbs
Operating Temperature Range:-40 to 60°C
Thermal Model Curve:Phase Unbalance, Hot/Cold Curve Ratio, Stator
Digital Inputs:489 Sensor Supply 24 V DC at 20 mA max
Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7
Analog Current Output Isolation:36 Vpk (isolated with RTDs and analog inputs)
The GE SR489-P5-HI-A20-E is a robust generator management relay designed specifically for industrial environments where reliability and efficiency are paramount. Built for demanding applications, this relay provides precise monitoring and control of generator operations. Key design highlights include its fully drawout case with automatic CT shorts, making installation and maintenance straightforward and safe. The unit is equipped with digital inputs and sensor supplies, allowing for seamless integration into existing systems. Its comprehensive protection features, including trip coil supervision and VT fuse failure simulation, ensure that your generator operates safely under all conditions. With a wide voltage and frequency range, the GE SR489-P5-HI-A20-E is versatile enough to handle a variety of applications. Additionally, it comes with Enervista 489PC software, enabling users to configure and monitor the relay directly from a PC. The inclusion of a SR489-CASE draw-out case further enhances ease-of-use and safety.
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