Applied to protect over-current of electrical apparatus and circuit device of construction and similar building in the circuit with rated frequency of AC 50Hz, rated voltage of 230V/400V and maximum rated current of 63A
Can also be applied as the infrequent make-break operation
Pole number is from 1 pole up to 4 poles
Rated limit short circuit breaking capacity is 10kA and mechanical lifetime is 20,000 times
Conforms to standards of IEC60898: 1995 and GB10963-1999 (requirements of over-current protection circuit breaker for household or other uses)