Detailed Product Description OB8-63 Mini Circuit Breaker (MCB)Application The product is mainly used in AC50/60HZ single-pole 230V or two, three, four-pole 400V circuit for overload and short-circuit protection as well as for unfrequent on-and-off switching electricequipment and lighting circuit under normal condition. The product is suitable for industry, business, building, residence, etc. It ...