SR489-P1-HI-A20-E-H  GE generator management relay

489-P5-HI-A20-E-H is a generator management relay that is manufactured by GE Multilin for the 489 series. This

relay has 5 A phase CT secondaries.

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Description

SR489-P1-HI-A20-E-H  GE generator management relay

489-P5-HI-A20-E-H Technical Specifications

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 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 Sensing Current 5 mA
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 RTD, Online Cooling Rate, Offline Cooling Rate, Line Voltage

Product Description

489-P5-HI-A20-E-H is a generator management relay that is manufactured by GE Multilin for the 489 series. This

relay has 5 A phase CT secondaries. The HI control power is 90-300 VDC and 70265 VAC at 48-62 Hz. The analog outputs on

this relay are 4 to 20 mA. This relay has an enhanced display with a larger LCD than the basic display. A harsh environment conformal

coating protects this unit from chemicals. The output status LED indicators include 1 Trip, 2 Auxiliary, 3 Auxiliary, 4 Auxiliary, 5 Alarm,

and 6 Service. The generator status LED indicators include Breaker Open, Breaker Closed, Hot Stator, Neg. Sequence, Ground, Loss of

Field, VT Failure, and Breaker Failure. The 489 status LED indicators include 489 In Service, Setpoint Access, Computer RS232, Computer

RS485 / Auxiliary RS485, Alt. Setpoints, Reset Possible, and Message.

SR489-P1-HI-A20-E-H

Accessories for the generator management relay include EnerVista 489 Setup Software, SR 19-1 PANEL, SR 19-2 PANEL,

SCI MODULE, Phase CT, HGF3, HGF8, HGF8, 489 1 ⅜ inch collar, and 489 3 inch collar. Metering features include user-programmable

analog inputs, speed in RPM with a 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, and voltage (phasors). Additional

features of this relay include flash memory for easy firmware upgrades, simulation, VT fuse failure, trip coil supervision, breaker failure,

and a drawout case for maintenance and testing. You may request a price quote for this part 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.
Does the GE generator management relay have internal ground connections?
No, there aren’t any internal ground connections for the 489-P5-HI-A20-E-H GE generator. The 489-P5-HI-A20-E-H GE Generator
Management Relay has a dual isolating transformer as a ground CT connection.
Does the internal clock keep running if the power is off?
Yes, if you need to record an event with the correct time and date, the battery will back up the time and date. The GE generator relay has the accuracy of an electronic watch.

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