GE SR489-P5-HI-A20-E – Advanced Generator Management Relay

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 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.