The SR489-P5-LO-A20-E is an Agdor line relay in the GE SR family of relays designed for generator protection and can be used in induction or synchronous generators. The device can operate at 25, 50 or 60 Hertz.
The SR489-P5-LO-A20-E is designed with a 40-character display that allows users to view numeric messages, diagnostics, and set values. The front panel includes a numeric keypad, status indicators, numerical up and down keys, RS232 port interfaces, and control and programming keys, including reset, input, menu, menu Up, and menu Down keys. This allows control without being connected to an external computer.
The backplane of the unit consists of four isolated 4-20 mA analog inputs and outputs and seven assignable digital inputs. In addition, it features four 100 to 120 Vac RTD inputs, six output relays, two RS485 communication ports, and four VT inputs. Communication can be done using ModbusRTU or DNP 3.0 protocols (or both) up to 19200 bps.
Overall, the SR489-P5-LO-A20-E is a versatile generator protection device with high reliability and long life, suitable for a variety of industrial automation and motion control systems.
The advantages of SR489-P5-LO-A20-E include:
Designed for generator protection: The device is designed for generator protection, with overload protection, phase break protection, unbalanced protection and other functions, can detect abnormal conditions and alarm in time.
High reliability: Using high-quality materials and manufacturing processes, the unit is characterized by long life and low failure rate, and can operate stably under harsh environmental conditions.
Comprehensive protection: The device can not only protect the generator, but also monitor the current, voltage and other parameters, with fault memory function, convenient for users to troubleshoot and analyze.
Flexible communication and programming: The front panel of the unit includes a numeric keypad, status indicators, numerical up and down keys, RS232 port interfaces, and control and programming keys, allowing for easy and flexible use without being connected to an external computer.
High performance: The unit features a 40-character display to view numeric messages, diagnostics and set values, and the front and back panels are designed for easy operation and control.
Adaptable: The device can be adapted to different power requirements, such as 25, 50 or 60 Hz, while the backplane includes multiple input and output interfaces for easy configuration according to actual needs.
Safety and filtering capabilities: The unit has 7 CT inputs for three-phase output/three-phase zero line and ground current detection, as well as an independent safety and filter grounding, ensuring the safety and stability of the system.
In summary, the SR489-P5-LO-A20-E is a powerful, stable, safe and reliable generator protection device for a variety of industrial automation and motion control systems.
The SR489-P5-LO-A20-E is a GE SR relay family designed for generator protection and is designed for induction or synchronous generators. The device can operate at 25, 50 or 60 Hertz.
The SR489-P5-LO-A20-E has the following functions:
Generator protection: The SR489-P5-LO-A20-E is designed to protect induction or synchronous generators and can monitor the operating status of the generator, detect anomalies in time and alarm to protect the generator from damage.
Monitoring the operating status of the generator: the device can monitor the current, voltage and other parameters of the generator, as well as the operating status of the generator, to ensure the normal operation of the generator.
Alarm function: When the operating status of the generator is abnormal, SR489-P5-LO-A20-E will send an alarm signal to inform the operator to deal with it in time.
Remote control function: The device can be connected with the host computer through RS-232 or RS-485 interface to achieve remote control and monitoring.
Easy maintenance: The SR489-P5-LO-A20-E front panel includes a numeric keypad, status indicators, numerical up and down keys, RS232 port interfaces, and control and programming keys, making it easy for operators to set parameters and view data.
Multiple protection functions: the device has overload protection, phase break protection, unbalanced protection, locked-rotor protection and other protection functions, which can fully guarantee the safe operation of the generator.
Adapting to harsh environments: The SR489-P5-LO-A20-E is designed with a front panel and a rear panel. The front panel includes a numeric keypad, status indicator, numerical up and down keys, RS232 port interfaces, control and programming keys, etc. The rear panel includes 12 RTD inputs, 6 output relays, 2 RS485 communication ports and 4 VT inputs, etc. Can adapt to harsh environmental conditions.
Overall, the SR489-P5-LO-A20-E is a fully functional, stable, safe and reliable generator protection device.
The SR489-P5-LO-A20-E is used in the following scenarios:
Industrial field: In the industrial field, especially in the power, petroleum, chemical and other industries, a large number of induction or synchronous generators are needed. These generators may encounter various faults during operation, such as overload, phase break, imbalance, etc. SR489-P5-LO-A20-E can protect these generators from damage and ensure production safety.
Power system: In the power system, the generator is one of the important equipment. The SR489-P5-LO-A20-E can monitor and protect the generator in real time to ensure the stable operation of the power system.
Marine or offshore engineering: In the field of Marine or offshore engineering, the safe operation of generators is of Paramount importance. The SR489-P5-LO-A20-E protects these generators from damage, ensuring the safety of ships or offshore works.
The SR489-P5-LO-A20-E provides effective protection for other scenarios where generators need to be protected, such as large mechanical equipment, elevators, pumps, and other equipment that requires induction or synchronous generators.
It should be noted that SR489-P5-LO-A20-E is a professional generator protection device, and the application scenario will vary according to the specific use needs and environmental conditions. When purchasing and using the device, it is recommended to select and apply it according to the actual situation.
