ABB Group (Asea Brown Boveri) is a world-leading enterprise in electrical and automation technologies. Its headquarters is located in Zurich, Switzerland, and its business covers more than 100 countries. It has approximately 105,000 employees. The company was founded in 1988 and was formed by the merger of Swedish ASEA and Swiss BBC Brown Boveri. Its history can be traced back to the late 19th century.
Sku: REX521GHHPSH50G
Country Of Origin: Finland
Vendor: ABB
Type: Feeder Protection Relay
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Product Description
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The ABB REX521GHHPSH50G is a high-performance feeder protection relay designed for medium-voltage power distribution, industrial automation, and utility substation applications. The relay provides reliable feeder protection, fault detection, monitoring, and control functions for critical electrical systems.
Built with advanced numerical protection technology and industrial-grade system architecture, the REX521GHHPSH50G delivers fast response performance, dependable operational stability, and long-term reliability in demanding industrial and utility environments. It is widely used in substations, manufacturing plants, power generation facilities, renewable energy systems, and electrical distribution networks.
The relay supports seamless integration with substation automation and SCADA systems, enabling efficient remote monitoring, event recording, fault analysis, and operational management.
The REX521GHHPSH50G provides reliable protection for feeders, cables, transformers, and medium-voltage distribution systems.
Ensures fast fault detection, accurate system monitoring, and stable relay performance.
Supports integration with SCADA systems and industrial power automation networks.
Designed for continuous-duty operation in harsh electrical power environments.
Enables remote diagnostics, event recording, alarm handling, and operational supervision.
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