SR489-P5-LO-A20-E Multilin 489 series Generator management relay

Description

SR489-P5-LO-A20-E Multilin 489 series Generator management relay

Product Description

Basic parameters:
Model: SR489-P5-LO-A20-E
Manufacturer: GE Multilin
Series: Multilin 489 series
Relay parameters:
Phase CT secondary: 5A
LO control power: 20-60 VDC, 48-62 VAC at 20-48 Hz
Analog output: 4 to 20 mA
Displays and panels:
Display: A 40-character display that allows users to view value messages, diagnostics, and setting points
Front panel: Includes multiple status leds, input buttons, numeric keypad, input ports, and LCD screen for reading device position information
Electrical parameters:
Operating frequency: It can operate at 25, 50 or 60 Hz
Frequency parameter range: 0.00 to 90.00 Hz
Neutral line voltage parameter range: 0 to 25000 V
Power factor parameters range: 0.01 to 1.00 Lead/lag
Reactive power (Mvar) parameter range: -2.00 to 2.00 times rated voltage
Communication and interface:
Rear panel: Includes twelve RTD inputs, six output relays, two RS485 communication ports, and four VT inputs
Communication protocol: ModbusRTU or DNP 3.0 protocol (or use both), up to 19200 bps
Other interfaces: Four isolated 4-20 mA analog inputs and outputs and seven assignable digital inputs
Design and installation:
Structure: Compact structure, small size, easy to install and maintain
Dimensions: 21.6 cm (L) x 22.4 cm (W) x 25.2 cm (H)
Shipping weight: 10 kg (approximate)
Other features:
Protection function: It has perfect protection function, such as overload protection, short circuit protection, undervoltage protection, overvoltage protection, etc
Adjustment performance: It can automatically adjust according to the actual situation of the generator, maintain the stable operation of the generator, and improve the power generation efficiency
Reliability: High reliability and long life for a variety of generator management and protection applications
Overall, the SR489-P5-LO-A20-E is a powerful, easy-to-use generator management relay for a variety of generator management and protection applications.

SR489-P5-HI-A20-E-H

Product parameter

Application field

The SR489-P5-LO-A20-E has a wide range of applications, mainly in generator management and protection. The following is a detailed summary and point representation for its application fields:

Generator Management:
As a generator management relay, the SR489-P5-LO-A20-E monitors and controls the operating status of the generator in real time.
It supports a variety of protection functions, such as overload protection, short circuit protection, undervoltage protection, overvoltage protection, etc., to ensure the stable operation of the generator.
Through its 40-character display, users can easily view the generator’s value messages, diagnostics, and setting points.
Generator protection:
The SR489-P5-LO-A20-E is particularly suitable for the protection of induction or synchronous generators.
It is designed with a 40-character display that allows users to view numerical information, diagnostics, and set values for easy troubleshooting and setting adjustments.
The front panel includes a numeric keypad, status indicator, numerical up and down keys, etc., allowing the user to directly control the relay without connecting to an external computer.
Communication and interface:
The rear panel contains twelve RTD inputs, six output relays, and two RS485 communication ports for easy data exchange and control with the generator system and other equipment.
The communication port supports ModbusRTU or DNP 3.0 protocols (or both) up to 19200 bps, ensuring efficient data transfer.
Applicable environment:
The SR489-P5-LO-A20-E can operate at frequencies of 25, 50 or 60 Hz and is suitable for grid environments in different countries and regions.
Its compact structure, small size, easy to install and maintain, suitable for all sizes of generator systems.
Adjustment performance:
The relay has excellent regulating performance, can automatically adjust according to the actual situation of the generator, maintain the stable operation of the generator, and improve the power generation efficiency.
In summary, SR489-P5-LO-A20-E, with its powerful generator management and protection functions, rich communication interface and excellent regulatory performance, has a wide range of application prospects in the power industry, petrochemical industry, iron and steel metallurgy and other fields.

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