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489-P5-LO-A20-E-H GE Model Parts Generator Management Relay
The GE 489-P5-LO-A20-E-H is a GE Multilin 489 Generator Management Relay engineered to deliver comprehensive protection, monitoring, metering, and control functions for synchronous and induction generators.
This model combines 5 A phase current inputs, low-range control power, 4–20 mA analog outputs, an enhanced display, and conformal coating for harsh chemical environments. It is well suited for industrial power generation systems where reliable generator protection and continuous operating-condition monitoring are essential.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Brand | GE Multilin |
| Model | 489-P5-LO-A20-E-H |
| Product Type | Generator Management Relay |
| Product Series | Multilin 489 |
| Phase Current Input | 5 A CT secondary |
| Control Power Option | LO |
| DC Control Power | 24–60 VDC |
| AC Control Power | 20–48 VAC, 48–62 Hz |
| Analog Outputs | 4–20 mA |
| Display | Enhanced display with larger LCD and improved keypad |
| Environmental Protection | Harsh chemical environment conformal coating |
| Application | Generator protection, monitoring and management |
| Configuration Software | GE EnerVista 489 Setup |
| Code | Description |
|---|---|
| 489 | Generator Management Relay |
| P5 | 5 A phase CT secondaries |
| LO | Low-range control power supply |
| A20 | 4–20 mA analog outputs |
| E | Enhanced display, larger LCD and improved keypad |
| H | Harsh chemical environment conformal coating |
The GE 489-P5-LO-A20-E-H is suitable for:
- Industrial generator protection systems
- Power generation plants
- Cogeneration facilities
- Oil and gas power generation
- Petrochemical plants
- Industrial utility systems
- Synchronous generator installations
- Standby and backup generator systems
It is a GE Multilin 489 Generator Management Relay used for generator protection, monitoring, measurement, and control.
P5 indicates that the relay is configured for 5 A phase current transformer secondary inputs.
LO identifies the low-range control power option, supporting 24–60 VDC or 20–48 VAC at 48–62 Hz.
A20 indicates 4–20 mA analog outputs for transmitting selected operating measurements to external monitoring or control equipment.
E provides an enhanced display with a larger LCD and improved keypad. It does not independently specify the Ethernet option.
GE generator management relay
,GE model parts relay
,489-P5-LO-A20-E-H relay
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