About the 489-P5-HI-A20-E-H
GE Multilin 489-P5-HI-A20-E-H Generator Management Relay:
- Function: Generator Management Relay.
- CT Secondaries: 5 A phase.
- Control Power (HI): 90-300 VDC and 70-265 VAC at 48-62 Hz.
- Analog Outputs: 4 to 20 mA.
- Display: Enhanced display with a larger LCD.
- Environmental Protection: Harsh environment conformal coating.
- Output Status LED Indicators: 1 Trip, 2 Auxiliary, 3 Auxiliary, 4 Auxiliary, 5 Alarm, and 6 Service.
- Generator Status LED Indicators: Breaker Open, Breaker Closed, Hot Stator, Neg. Sequence, Ground, Loss of Field, VT Failure, and Breaker Failure.
- 489 Status LED Indicators: 489 In Service, Setpoint Access, Computer RS232, Computer RS485 / Auxiliary RS485, Alt. Setpoints, Reset Possible, and Message.
- Accessories: EnerVista 489 Setup Software, SR 19-1 PANEL, SR 19-2 PANEL, SCI MODULE, Phase CT, HGF3, HGF8, 489 1 ⅜ inch collar, and 489 3 inch collar.
- Metering Features:
- User-programmable analog inputs
- Speed in RPM with key phaser input
- RTD
- Power factor, frequency
- MW, Mvar, ± MVarh demand
- Apparent power and MVA demand
- Real power, MW demand, MWh
- Current (phasors), and amps demand
- Voltage (phasors)
- Additional Features:
- Flash memory for easy firmware upgrades
- Simulation capabilities
- VT fuse failure detection
- Trip coil supervision
- Breaker failure protection
- Drawout case for simplified maintenance and testing.
- Availability: Price quotes can be requested at axcontrol.com.
Frequently Asked Questions about 489-P5-HI-A20-E-H
What does the H stand for in the part number 489-P5-HI-A20-E-H for the GE generator management relay?
The letter H in the part number 489-P5-HI-A20-E-H for the GE Generator Management Relay stands for a harsh chemical that is applied to the relay that contours to protects the components from environmental situations that can damage the generator.
Should the power supplied match the 489 GE generator management relay 489-P5-HI-A20-E-H?
Yes, the control power supplied has to match the supply range, if the applied voltage isn’t the exact same, it can cause the generator to become damaged. Also all the gound connections should be connected for the generator to run properly.
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