Feeder Differential Protection Relays MiCOM P521 provides high speed, two ended current differential unit protection of overhead lines and underground cables in applications such as ring mains and parallel feeders. Models available: MiCOM P521

Breaker Failure Protection MiCOM P821 is an advanced Breaker Failure relay with backup protection functions. It offers a range of protection functions, combined with extensive monitoring capacities to give you optimized efficiency and maximum control for your electric schemes. It is suitable for all voltage levels. Models available: MiCOM P821