GE Multilin 489-P5-LO-A20-E: Low Voltage 4-20 mA Analog Output Relay for Generator Protection

In stock

The GE SR489-P5-LO-A20-E is a low voltage 4-20 mA analog output relay designed for generator management and protection. It is compatible with induction or synchronous generators and provides essential monitoring and control functionalities.

Communication Ports:None, Odd, Even

Harsh Environment Coating:Not available on this model

High-Set Phase Overcurrent Elements Trip:IRIG-B Amplitude Modulated 2.5 to 6.0 Vpk-pk at 3:1 signal ratio

Low Forward Power Time Delay:0.2 to 120.0 s in steps of 0.1

Phase Overcurrent Voltage Restraint:Programmable fixed characteristic

Pollution Degree:II

Pulse Output Pulse Width:200 to 1000 ms in steps of 1

Tachometer Configurable:Assignable to digital inputs 4 to 7

Weight:Approximately 10 lbs

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

Case Drawout:Fully drawout (automatic CT shorts)

Digital Inputs:489

Sensor Supply:24 V DC at 20 mA max impedance

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 RTD inputs

Sequential Trip Configurable:Assignable to digital inputs 1 to 7

Shipping Weight:7.7 kg or 17 lbs

Thermal Model Curve Biasing:Phase unbalance, hot/cold curve ratio, stator

The GE SR489-P5-LO-A20-E is a specialized relay designed specifically for generator protection. Its core function is to manage and protect induction or synchronous generators by utilizing a low voltage 4-20 mA analog output. This model is part of the GE Multilin SR family of relays, which includes the GE Multilin 469 Motor Protection Relay and the GE Multilin 735 Feeder Protection Relay.

Equipped with a 40-character display, the unit allows for easy viewing of value messages, diagnostics, and setpoints directly from the front panel. A numeric keypad and status indicators further enhance user interaction and convenience.

The 489-P5-LO-A20-E is designed to operate at frequencies of 25, 50, or 60 Hz, making it versatile for various industrial settings. Additionally, the relay features fully drawout case drawouts for enhanced safety during maintenance and operation.

This model is ideal for applications where precise control and monitoring of generator performance are critical. With its robust design and reliable performance, the GE SR489-P5-LO-A20-E stands out as a top choice for industrial control systems.

GE SR489-P5-LO-A20-E