Mini Circuit Breaker / MCB Standard:GB10963,IEC60898 Pole No. 1-4 pole Current:1,2,3,4,6,10,16,20,25, ... product is mainly used in AC50/60HZ single-pole 230V or two, three, four-pole 400V circuit for overload and short-circuit protection ... (5~10)In; D(10~15)In.3. No. of pole: 1p, 2p, 3p, 4p.4. Breaking capacity (see table1).table1Rated ...