... , rail, housing and components DZ47-634ScopeDZ47-63 series high breaking mini circuit breaker for short circuit protection circuit and overload for ... , long service life, mainly for the exchange of 50Hz/60Hz, single pole 240V, two, three, four 400V circuit for overload, short ... ,25,32,40,50,63 A(2)Number of poles: Single pole, two pole, three pole, four pole(3)According to ...