GE 489-P5-HI-A20-E SR489 Generator Management Relay
GE 489-P5-HI-A20-E SR489 Generator Management Relay
❀GE 489-P5-HI-A20-E❀
The GE 489-P5-HI-A20-E SR489 is a generator management relay manufactured by GE Multilin for the 489 series.
It’s designed to protect and manage synchronous and induction generators used in power generation applications.
Here’s a breakdown of the code in the model number:
1. 489: Indicates the relay series.
2. P5: Specifies 5 Amp phase current secondaries. This means the relay is designed to work with current transformers (CTs) that output a secondary current of 5 Amps.
3. HI: Denotes high control power rating (90-300 VDC and 70-265 VAC at 48-62 Hz).
4. A20: Signifies 4 to 20 mA analog outputs for interfacing with other control systems.
5. E: Represents a basic display.
Key features of the GE 489-P5-HI-A20-E SR489:
1. Microprocessor-based protection and control.
2. Multiple protection functions like overcurrent, undercurrent, loss of excitation, and ground fault detection.
3. Monitoring capabilities for various generator parameters like voltage, current, power, and frequency.
4. Basic display for viewing relay status and measurements.
5. 4-20 mA analog outputs for integration with control systems.
Xiamen Xingruijia Import and Export Co., Ltd.’s product content includes distributed control systems (DCS), programmable logic controllers (PLC), MOTOROLA MVME industrial modules, industrial control communication converters (Anybus), remote output/input modules (RTU), industrial computers (IPC), industrial low-frequency screens (IPC), human-machine interface SCSI (50, 68, 80Pin), AnyBus (Gateway), which has become a global sales enterprise for industrial automation spare parts and components.
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