... /250/440V 2. up to 63A 3. Breaking Capacity 6KA 4. Experience since LB1Z-63 Series DC Miniature Circuit Breaker, apply to rating ... mainly used for the overloading and short circuit protection in DC distribution system equipment and electric equipment. It can be widely ... circuit capabilityInstantaneous tripBreaking Current Icu(A)Time(ms)63A1DC125V1, 2, 3, 4, 5, 6, 10, 15, 16, 20, 25, 32, 40 ...