DZ47-63 Miniature Circuit Breaker MCB ISO9001:2008. 6-63A with 1,2,3,4Poles 3,4.5KA Breaking Capacity OEM,CKD are welcome DZ47-63 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload1. ApplicationDZ47-63 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and short ...