489-P5-HI-A20

Description

The 489-P5-HI-A20 from GE Multilin is a generator management relay designed for comprehensive protection, control, and monitoring of generators. It features flexible power supply options, current input support for 5 A CTs, and 4–20 mA analog outputs.

Electrical Specifications

• Current Input: 5 A phase CT secondaries

• Power Supply (DC): 90–300 V

• Power Supply (AC): 70–265 V @ 48–62 Hz

• Analog Outputs: 4–20 mA

Protection Functions

Reactive Power Protection

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

• Pickup Level: 0.02–1.50 × rated Mvar (both directions)

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

• Timing Accuracy: ±100 ms or ±0.5%

Reverse Power Protection

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

• Pickup Level: 0.02–0.99 × rated MW

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

• Timing Accuracy: ±100 ms or ±0.5%

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