... used in AC50/60HZ single-pole230V or two, three, four-poles 400Vcircuit for overload DZ47-63(C45) Miniature Circuit Breaker (MCB ... used in AC50/60HZ single-pole230V or two, three, four-poles 400Vcircuit for overload and short-circuit protection as well as ... , 6A, 10A, 16A, 20A, 25A,32A, 40A, 50A, 63A. 2. No. of pole: 1p, 2p, 3p, 4p.3. Tripping characteristics: C(510 ...