Line differential protection
The 7SD610 relay is a differential protection relay suitable for all types of applications and incorporating all those functions required for differential protection of lines, cables and transformers. Transformers and…
Distance Protection
The SIPROTEC 4 7SA522 relay provides full-scheme distance pro tection and incorporates all functions usually required for the protection of a power line. The relay is designed to provide fast…
capacitor banks protection
The 7SR191 Capa devices are numeric protection relays designed for application on shunt connected distribution capacitor banks arranged in all common connection configurations, typically single star, double star, delta or…
Busbars protection
The SIPROTEC 7SS60 system is an inexpensive numerical differential current protection for busbars in a centralized configuration. It is suitable for all voltage levels and can be adapted to a…
breaker management
The SIPROTEC 4 breaker management relay 7VK61 is a highly fl exible auto-reclosure, synchro-check and circuit-breaker failure protection unit. This unit is used for the single and three-pole auto-reclosure of…
Bay Controller
The 6MD63 bay control unit is a flexible, easy-to-use control unit. It is optimally tailored for medium-voltage applications but can also be used in high-voltage substations. The 6MD63 bay control…