... to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for prote DZ60-63 is applicable ... to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and short circuit ... IEC60898.Mini Circuit Breaker2.Main Technical Parameter Type DZ60-63 Pole 1P 2P, 3P, 4P Rated current (A) 1,2,3 ...