GE 489-P1-LO-A20 analog output Management Relay

Description

GE 489-P1-LO-A20 analog output Management Relay

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GE Digital Energy Multlin 489-P1-LO-A20  Motor Management Relay Instruction Manual & Datasheet.PDF

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The trip protection features on the relay include electrical lockout analog inputs 1 to 4, thermal overload, RTDs (stator, bearing, ambient, other), low forward power, reverse power for anti-motoring, reactive power (kvar) for loss of field, distance element (2 zones of protection), loss of excitation (2 impedance circles), neutral Undervoltage (3rd harmonic), neutral overvoltage (fundamental), over frequency (two-step), under frequency (two-step), high-set phase overcurrent, ground directional, percentage phase differential, ground overcurrent, negative-sequence overcurrent, phase overcurrent with voltage restraint, inadvertent energization, offline overcurrent protection during startup, and seven assignable digital inputs.

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