... pole, 400V in double, three,four poles for prote DZ60-63 is applicable to a line of AC 50Hz/60Hz, 230V ... Rated current (A) 1,2,3,4,6,10,16,20,25,32,40,50,63 Rated voltage(V) 230 400 Ambient temperature -5oC ... 1.5 16,20A 2.5 25A 4 32A 6 40,50A 10 63A 16 Miniature Circuit Breaker