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The General Electric 489-P5-HI-A20-E is a generator management relay for GE Multilin industrial automation applications. Documented product details include SR489 Generator Management Relay; GE Multilin 489 Generator Management Series; Fault diagnosis is provided through pre-trip data; event logging, waveform capture, and statistics. Confirm the complete model code, hardware revision and supplied condition against the installed equipment before replacement.
Verify that the supplied item is marked 489-P5-HI-A20-E and that its generator management relay form, connectors and revision agree with the approved GE Multilin receiving record.
For 489-P5-HI-A20-E, state the required condition, quantity, installed position, connected assemblies and document requirements in the written enquiry.
Apply only parameters supported by the exact 489-P5-HI-A20-E record or a documented family source. Do not infer electrical ratings or interchangeability from appearance.
489-P5-HI-A20-E technical scope: Phase current inputs: 5 A phase CT secondaries; Control power: 90 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz; Analog outputs: 4 to 20 mA analog outputs; Display: Enhanced display, larger LCD; Input impedance: 226 Ω ±10%.
Use these values only for the listed hardware execution and verify the supplied label before installation.
Match 489-P5-HI-A20-E to the approved GE Multilin receiving position, connector or terminal arrangement and configuration record.
After power restoration, review diagnostics and test the affected generator management relay path.
Obsolete/Discontinued by OEM
489-P5-HI-A20-E is a General Electric generator management relay associated with the GE Multilin platform. It supports the documented monitoring, protection, alarm and trip functions assigned to the protected equipment. Correct selection depends on the complete model code, connector or terminal arrangement, hardware revision and receiving-system configuration. Before replacement, compare the original product label, installed slot or cabinet reference, connected assemblies and approved project records. After installation, review system diagnostics and function-test every affected channel, control path, protection function or communication link before returning the equipment to service.