About ABB REL670 BIG PROTECTION RELAY (ONLY DISPLAY)

ABB REL670 BIG PROTECTION RELAY (ONLY DISPLAY)

REL670 provides protection of power lines with high sensitivity and low requirement on remote end communication. Measurements and setting of all six zones with six setting groups are made completely independent, which ensures high reliability for all types of lines.

Robust Protection and Monitoring

The REL670 BIG relay display is engineered to support a wide spectrum of protection functions-overcurrent, distance, differential, and breaker failure protection. Its internal memory stores up to 1024 time-tagged events, allowing operators comprehensive post-event analysis. Built for both flush and panel mounting, the IP54 front-rated enclosure ensures reliable operation even in challenging industrial environments.


Seamless Connectivity and Remote Management

Supporting IEC 61850, Modbus, DNP3, SPA, and more, this relay integrates effortlessly into existing power automation networks. Remote access via Ethernet or serial ports enhances operational flexibility, allowing real-time monitoring, configuration, and firmware upgrades from a secure location. The display's fast response time (<20ms) bolsters power system reliability.


Ease of Use and Compliance

Designed with a large, high-contrast graphical LCD, the relay display simplifies status checks and parameter navigation. Compliance with international standards like IEC 60255 and EN 60255 guarantees safety and performance. Installation and upgrades are straightforward, supported by intuitive rear screw-terminals and field-upgradable firmware.