REX521GHHPSH50G protection relay ABB
REX521GHHPSH50G is a protective relay specifically designed for protection, control, measurement, and monitoring functions in medium voltage networks. Its typical applications include input and output feeders as well as substation protection, and can also be used as backup protection for power transformers and protection for high-voltage motors.
This protective relay is based on a multiprocessor environment and has powerful processing capabilities and speed, capable of handling complex and large-scale data processing requirements. It supports the excitation input of traditional current and voltage transformers, as well as excitation input through input current and voltage sensors, which increases its versatility and convenience in applications.
In addition, REX521GHHPSH50G also has rich human-machine interface functions, including navigation buttons, clear/cancel buttons, and enter buttons, supporting language selection, password protected settings, display backlight, display contrast, display testing, selection of main values, and optical isolation serial communication ports. This allows users to easily perform local operations and obtain device status information through indication messages.
Overall, the REX521GHHPSH50G protection relay is a powerful and high-performance device suitable for monitoring and protection scenarios in various medium voltage power grids.
Attention: Due to the large number of products from our company, the pictures cannot match each other. Please contact me to confirm the actual product!
The company has a leading advantage in discontinuing control system components. We have a large inventory and surplus of control system components, as well as some hardware for the discontinued control system. We have also released many new hardware and products to support your existing control system or apply new control technologies. The discontinued “DCS system spare parts, PLC module spare parts,” complete machine and accessories series have a strong advantage. As long as you need PLC products, we can help you find them. The company has a great price advantage.
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