ABB REX521 Feeder Protection Relay High Performance Rev F while its rugged construction ensures

while its rugged construction ensures consistent performance in demanding environments

Dynamic signal voltage output: Nominal Range: 0 to 20 Vpp

Enclosure Rating: IP67

and environmental monitoring

ABB REX521 Feeder Protection Relay High Performance Rev F while its rugged construction ensuresProduct Overview The ABB REX521 is an advanced feeder protection relay designed to provide comprehensive protection, control, and monitoring functions for utility and industrial feeder applications. It detects and isolates faults quickly, ensuring the protection of your power system. The REX521 enhances system integrity and guarantees continuity of service. Its modular design allows for flexible configuration, adapting to various system requirements.