SR489-P1-LO-A20-T

Overview

SR489-P1-LO-A20-T is a GE Multilin generator protection relay.

Identity

• Model: SR489-P1-LO-A20-T

• Type: Generator Protection Relay

• Manufacturer: GE Multilin

• Series: SR489

Reactive Power Protection

• Block From Online: 0–5000 s (steps of 1)

• Pickup Level: 0.02–1.50 × rated Mvar (positive & negative)

• Time Delay: 0.2–120.0 s (steps of 0.1)

• Accuracy: Pickup per power metering; timing ±100 ms or ±0.5%

• Elements: Trip and Alarm

Reverse Power Protection

• Block From Online: 0–5000 s (steps of 1)

• Pickup Level: 0.02–0.99 × rated MW

• Time Delay: 0.2–120.0 s (steps of 0.1)

• Accuracy: Pickup per power metering; timing ±100 ms or ±0.5%

• Elements: Trip

Low Forward Power Protection

• Block From Online: 0–15000 s (steps of 1)

• Pickup Level: 0.02–0.99 × rated MW

• Time Delay: 0.2–120.0 s (steps of 0.1)

• Accuracy: Pickup per power metering; timing ±100 ms or ±0.5%

• Elements: Trip

Pulse Output

• Parameters: +kWh, +kvarh, -kvarh

• Interval: 1–50000 (steps of 1)

• Pulse Width: 200–1000 ms (steps of 1 ms)

RTD Inputs

• Channels: 1–12

• Pickup Range: 1–250 °C (steps of 1)

• Hysteresis: 2 °C

• Time Delay: 3 s

---