Name: SR489-P5-LO-A20-E Generator management relay
Availability: InStock

Description

Overview

Essential details：SR489-P5-LO-A20-E Generator management relay

Product Description

1. Product overview
Type: Generator management relay
Series: Multilin 489 series
Manufacturer: GE Multilin
2. 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
3. Display and panel
Display: 40 characters, allowing 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
4. 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 parameters range: -2.00 to 2.00 times rated voltage
5. Communication and interfaces
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 both), up to 19200 bps
Other interfaces: Four isolated 4-20 mA analog inputs and outputs and seven assignable digital inputs
6. Design and installation
Structure: Compact, 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)
7. Functions and features
Protection function: It has perfect protection function, such as overload protection, short circuit protection, undervoltage protection, overvoltage protection, etc
Adjustment performance: Excellent adjustment performance, can be automatically adjusted according to the actual situation of the generator, maintain the stable operation of the generator, improve power generation efficiency
High reliability: Compact and well-designed to provide high reliability and long life
8. Application field
Generator protection: Designed for generator protection and can be used in induction or synchronous generators

SR489-P5-LO-A20-E

Product parameter

APPLICATION

Generator protection:
The SR489-P5-LO-A20-E is designed for generator protection and is suitable for induction or synchronous generators.
The relay has perfect protection functions, such as overload protection, short circuit protection, undervoltage protection, overvoltage protection, etc., which can ensure the stable operation of the generator under various working conditions.
Parameter monitoring and regulation:
The relay can monitor the electrical parameters of the generator in real time, such as frequency, voltage, power factor, etc., and maintain the stable operation of the generator through automatic adjustment function.
Its analog output ranges from 4 to 20 mA, providing accurate parameter monitoring and adjustment capabilities.
Communication and interface:
The SR489-P5-LO-A20-E provides a wealth of communication and interface options, such as RS485 communication ports, ModbusRTU or DNP 3.0 protocols, allowing users to easily exchange and integrate data with other systems.
This makes it widely used in complex power system or industrial automation environment.
Easy to install and maintain:
The relay is compact in structure, small in size and easy to install and maintain.
The front panel provides an intuitive display and buttons that allow the user to view and operate the status and functions of the relay.
High reliability and long life:
The SR489-P5-LO-A20-E is characterized by high reliability and long life, and can operate stably in a variety of harsh environments.
This makes it ideal for a variety of generator management and protection applications.

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