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GE 489-P5-HI-A20-E Generator Management Relay
Specifications
Manufacturer
GE
Product No.
489-P5-HI-A20-E
Product type
Generator Management Relay
Phase current inputs
P5 = 5 A phase CT secondaries
Control power
HI = 90 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz
Analog outputs
A20 = 4 to 20 mA analog outputs
Display
E = Enhanced display, larger LCD
Shipping weight
12 Kg
The 489-P5-HI-A20-E is a generator management relay that is manufactured by GE as part of the 489
Generator Management Series. This relay has 5A phase CT secondaries and a HI control power of 90-300
VDC and 70265 VAC at 48-62 Hz. The analog outputs on this relay are 4 to 20 mA. This 489-P5-HI-A20-E
relay has an enhanced display with a larger LCD than the basic display generally serves as an upgrade from the
489-P5-HI-A20 basic display version. The 489-P5-HI-A20-E is the most installed relay in the 489 Generator
Protection Series and as a result is a high demand relay. The 489-P5-HI-A20-E has the following features
built-in to the relay.
Product Applications
Power Generation and Power Industry: Widely applied in thermal power plants, hydropower plants, nuclear
power plants, and small and medium-sized gas turbine power generation units.
Industrial Self-Powered Power Plants: Used in factories, mines, and other places that require self-provided
power supply to ensure the operation of key power generation units.
Distributed Energy and Microgrids: Used for the protection of grid-connected power generation units,
monitoring parameters such as power generation (positive watts), three-phase output, and grounding current.
Aerospace and Heavy Machinery Applications: Some high-end industrial scenarios or power support for
aircraft hangars.
Main functional features
Comprehensive protection: Includes stator thermal protection, reverse power protection, loss of excitation
protection, and circuit breaker fault detection.
Advanced monitoring: Provides 12 RTD inputs for real-time temperature monitoring of bearings and stators.
Enhanced display (-E): Equipped with a larger LCD screen and improved keyboard, facilitating on-site personnel
to view diagnostic information and set parameters.
Communication capabilities: Supports multiple industrial communication protocols such as Modbus RTU, Modbus
TCP/IP, and DNP 3.0, facilitating integration into DCS or SCADA systems.
Claim Your Extra Discount: Contact Sales Manager Lisa Lin for Details
:+86 18965423501 
:sales7@amikon.cn 
:AMKPLC
Our Service
Service: 24/7,Professional team always here to support you.
Warranty:12 month
Delivery time: Shipped in 3 days after payment.
Payment Term: T/T
Package: Original packing with cartons.
Major Business
● Distributed control system (DCS)
● Remote input / output module (RTU)
● Industrial PC (IPC)
● Industrial low-frequency screen
● Lowcapacity hard drives for industrial use SCSI (50,68,80Pin)
● AnyBus (Gateway)
● Human-machine interface
● Industrial control related ancillary products
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