The ABB DS201 series 10A residual current circuit breaker mainly used for overload protection. It has two-modules width for the protection of end user single-phase circuits against overload and short-circuit current , protection against the effects of sinusoidal alternating earth fault current , direct contacts and indirect contacts. Rated voltage 230V Type of residual current is AC Pollution degree is 2 Degree of protection for terminals IP20 Degree of protection for housing IP40