This Acti9 iC60 is a modular residual current breaker with overcurrent protection (RCBO). It is a 1P+Ns circuit breaker with 1 protected pole, 20A In rated current and C tripping curve. The earth leakage protection class is A type with a sensitivity of 100mA. The earth-leakage protection time delay is instantaneous. The Icn rated short circuit breaking capacity is up to 10000A according IEC 61009-2-2 standard.