Description
Overview
Essential details:SR489-P5-LO-A1 generator management relay
Product Description
SR489-P5-LO-A1 Product Description
I. Product overview
The SR489-P5-LO-A1 is a generator management relay manufactured by GE Multilin as part of the Multilin 489 series. Designed for a variety of generator management and protection applications, the relay offers high reliability, long life and complete protection.
Second, product characteristics
High reliability and long life:
Thanks to its superior manufacturing process and material selection, the SR489-P5-LO-A1 provides stable performance and reliable protection over a long period of time.
Perfect protection function:
It provides overload protection, short circuit protection, undervoltage protection, overvoltage protection and other protection functions to ensure the safe and stable operation of the generator.
Excellent adjustment performance:
The relay can automatically adjust according to the actual situation of the generator, maintain the stable operation of the generator, and improve the power generation efficiency.
Product parameter
Relay parameters:
5A phase CT secondary
LO control power: 20-60 VDC, 48-62 VAC at 20-48 Hz
Analog output: 4 to 20 mA
Displays and panels:
A 40-character display that allows users to view value messages, diagnostics, and setting points
The front panel includes multiple status leds, input buttons, numeric keypad, input ports, and LCD screen
Electrical parameters:
It can operate at 25, 50 or 60 Hz
Frequency parameter range: 0.00 to 90.00 Hz
Neutral line voltage (3rd) 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:
The rear panel includes twelve RTD inputs, six output relays, two RS485 communication ports, and four VT inputs
The communication port supports ModbusRTU or DNP 3.0 protocols (or both) up to 19200 bps
The rear panel also includes four isolated 4-20 mA analog inputs and outputs and seven assignable digital inputs
Design and installation:
Compact structure, small size, easy to install and maintain
Shipping weight is 10 kg (approximate)
The dimensions are 21.6 cm (L) x 22.4 cm (W) x 25.2 cm (H)
APPLICATION
SR489-P5-LO-A1 applications mainly include but are not limited to the following aspects:
Generator Management and Protection:
As a generator management relay, the SR489-P5-LO-A1 is designed for the protection and management of induction or synchronous generators.
It has a variety of protection functions, such as overload protection, short circuit protection, undervoltage protection and overvoltage protection, etc., to ensure that the generator can run stably under various working conditions.
The relay can automatically adjust according to the actual situation of the generator to improve the power generation efficiency.
Power system:
In power systems, the SR489-P5-LO-A1 can be used to protect critical equipment such as generators, transformers and transmission lines.
By monitoring and controlling the current status of power equipment in real time, potential safety hazards are discovered and eliminated in time to ensure the stable operation of power system and power supply safety.
Industrial power stations:
In industrial power stations, SR489-P5-LO-A1 can be widely used in the protection and management of various generator sets.
Its compact structure and ease of installation make it easy to deploy and use in industrial environments.
Data Center:
Data centers often require a stable and reliable power supply to support their critical business operations.
The SR489-P5-LO-A1 can be used for generator protection in data centers to ensure that the generator can quickly and stably take over the power supply in the event of an emergency such as a mains interruption, ensuring the continuity of data center services.
Technical specifications and features:
The SR489-P5-LO-A1 features 5A phase CT secondary, LO control power of 20-60 VDC, and analog output of 4 to 20 mA.
It also features a 40-character display that allows users to view value messages, diagnostics, and setting points.
The front panel includes multiple status leds, input buttons, numeric keypads, etc., for easy operation and monitoring.
The rear panel includes multiple input, output, and communication ports, supporting communication modes such as ModbusRTU or DNP 3.0 protocols.
To sum up, SR489-P5-LO-A1 with its perfect protection function, high reliability and excellent regulatory performance, has a wide range of applications in generator management, power systems, industrial power stations and data centers.
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