GE 489-P5-LO-A20 Generator Management Relay

About the 489-P5-LO-A20

489-P5-LO-A20 is a generator management relay that is manufactured by GE Multilin for the 489 series. This relay has 5 A phase CT secondaries. The LO control power is 20-60 VDC and 20-48 VAC at 48-62 Hz. The analog outputs on this relay are 4 to 20 mA. This relay has a basic display.

This unit has a shipping weight of 10 KG (approximate) and has dimensions of 21.6 cm (L) x 22.4 cm (W) x 25.2 cm (H).    The front panel includes multiple status LEDs as well as having input buttons, a numeric keypad, an input port, and an LCD screen for reading information at the location of the unit. 

The Frequency parameter has a range of 0.00 to 90.00 Hz. The Neutral Volt (3rd) parameter has a range of 0 to 25000 V. The Average Voltage parameter has a range of 0.00 to 1.50 × the rated voltage. The Power Factor parameter has a range of 0.01 to 1.00 lead/lag. The Reactive Power (Mvar) parameter has a range -2.00 to 2.00 x the rated voltage. The Real Power parameter has a range of -2.00 to 2.00 x the rated voltage. The Apparent Power parameter has a range of 0.00 to 2.00 x the rated voltage. The Analog Inputs 1 to 4 parameters have a range of -50000 to +50000. The Tachometer parameter has a range of 0 to 7200 RPM. The Thermal Capacity Used parameter has a range of 0 to 100%. The Current Demand parameter has a range of 0.00 to 20.00 x FLA. The Mvar Demand parameter has a range of 0.00 to 2.00 x the rated voltage. The MW Demand parameter has a range of 0.00 to 2.00 x the rated voltage. The MVA Demand parameter has a range of 0.00 to 2.00 x the rated voltage.