ABB extends available arc protection options

With the new, smart and cost-efficient combination of UFES and Relion, ABB extends its portfolio for quenching arc faults with a type tested solution that also provides a built-in protection scheme, which doesn’t rely on slow circuit breaker operation.
The solution sees ABB combine its Ultra-fast Earthing Switch (UFES) and Relion 615, 620 relay series, as well as the new all-in-one, digital REX 640 control and protection relay for the first time. The outcome is a low investment and simple