1. We are a global trading company, we have a large stock of spare parts, we also produce energy storage batteries

2. Our main sales products are industrial automation control equipment accessories, such as: controller board, processor module, communication module, input and output module, power module (various circuit boards and cards), touch screen, servo driver, servo motor, sensor, cable......

3. We can not only provide new products, but also supply cold and discontinued spare parts, all the discontinued parts will go through strict testing to ensure the reliability of product performance, so that customers can buy and use at ease

4. For more information, please contact us: Contact: Amy | Email: saul01@qq.com | Tel(WhatsApp/Wechat): +86-15359298283

The ABB REF 542plus multi-function protection and switch control unit is a full-featured industrial automation device for the protection and monitoring of medium and low voltage power systems. The following is a detailed description of the device:

Product Overview:

REF 542plus is a compact digital interval control technology solution from ABB that integrates measurement, monitoring, protection, control and self-diagnosis functions to provide users with a comprehensive power system protection and management solution.

Main features:

Real-time monitoring: Using advanced digital technology and communication protocols, it can monitor the status of the power system in real time and respond quickly to abnormal situations.

Comprehensive protection: can monitor and protect the equipment in the power system, including generators, transformers, busbars and feeders, detect and protect various fault conditions, such as short circuit, overload, ground fault, etc.

High definition display: The control display panel adopts a high definition display screen, which can clearly display various information, convenient for users to view and operate.

Interlock function: Allows convenient local operation and can be fully interlocked to prevent switching errors. The switch position of various switching devices in the switch box can be displayed on the LCD screen of the man-machine interface control unit.

Communication and integration: Usually equipped with a communication interface to communicate with other equipment, systems or monitoring systems to achieve data sharing and integration to achieve comprehensive monitoring and control of the entire power system.

Application field:

Distribution network protection: Used for the protection of medium voltage and low voltage distribution systems, to ensure that the power system in the case of failure to quickly cut out the fault area, improve the reliability of the system.

Substation applications: In substations, it can be used to protect transformers, switchgear and other critical equipment to ensure the safe and stable operation of the substation.

Industrial automation: Also applies to industrial power systems, including manufacturing, chemical plants, and other industrial facilities to protect equipment from power failures.

Operation mode:

Local control mode: In the local control mode, the user can perform local input switch operation through the control button on the HMI control unit.

Remote control mode: In remote control mode, only the remote control unit (such as the station automation system) can be switched.

Local and Remote modes: A special control mode is also available for users who wish to switch both local and remote.

Other features:

Automatic control: Perform automatic operations according to the set logic and conditions to improve the efficiency of the power system.

Remote monitoring: Supports remote monitoring, allowing operation and maintenance personnel to remotely monitor equipment status and perform operations to reduce on-site operations and improve the convenience of operations.

Power quality monitoring: May be used to monitor power quality, including voltage, current, frequency and other parameters, to ensure that the power system provides high-quality electrical energy.

Event recording and alarm: The device usually has an event recording function, which records important events in the system and can generate alarms so that the operation and maintenance personnel can take timely action.

To sum up, the ABB REF 542plus multi-function protection and switch control unit is a comprehensive and reliable industrial automation device that is widely used in the protection and monitoring of medium and low voltage power systems, providing an intelligent and clean solution for power systems.

ABB REF 542plus multi-function protection and switch control unit

ABB REF 542plus multi-function protection and switch control unit

ABB REF 542plus multi-function protection and switch control unit

ABB REF 542plus multi-function protection and switch control unit

ABB REF 542plus multi-function protection and switch control unit