Analog Current Inputs: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
Sinusoidal Vibration Test Level:Class 1
Voltage Phase Reversal:Configuration ACB or ABC
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.
Operating Temperature Range:-40 to 60°C
Dielectric Strength:1.9 kV AC for 1 second or 1.6 kV AC for one minute, per UL 508
Analog Current Output Isolation:36 Vpk
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
Phase Distance Characteristics:Offset mho
Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7
The GE SR489-P5-HI-A20-E is a high-performance motor management relay designed for industrial applications requiring robust and reliable motor protection. With its advanced features and accurate monitoring capabilities, this relay ensures optimal performance and safety in demanding environments.
Key design highlights include fully drawout construction for automatic CT shorts, which enhances safety and reliability during maintenance operations. The relay supports multiple curve shapes and customizable settings, making it versatile for different applications. The integrated digital inputs and analog current outputs provide seamless integration with other control systems.
This relay is equipped with trip and alarm protection mechanisms, breaker failure detection, and VT fuse failure simulation, ensuring comprehensive protection against a wide range of faults. The included flash memory allows for easy configuration and data logging, simplifying maintenance and troubleshooting processes.
Furthermore, the 489 Enervista 489PC software facilitates interaction and programming of the relay directly from a PC, enhancing operational flexibility and efficiency. The SR489-CASE draw-out case is provided with new factory package versions, offering additional convenience and protection.
The SR489-P5-HI-A20-E is ideal for industries such as manufacturing, power generation, and automation, where precise control and reliable protection are paramount.
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