1.New design. 2.1,1+N,2,3,3+N,4Pole 3.4.5KA,6KA,10KA. 4.CE,CB,KEMA. ... casual dismounting of connected terminals.Technical Data Pole No:1P,1P+N,2,3P,3P+N,4PRated voltage:AC 230/400VRated current(A): 1 ... ,double-pole motors,motors with heavy start etc.)Nominal voltage:1P (single-pole)~230/400V 50/60Hz3P (three-pole)~400V 50 ...