LB1Z-63 Series DC Magnetic Circuit Breaker acb 1. DC125/250/440V 2. ... 63A 3. Breaking Capacity 6KA 4. Experience since LB1Z-63 Series DC Miniature Circuit Breaker, apply to rating current 63A or ... )Rated limit short circuit capabilityInstantaneous tripBreaking Current Icu(A)Time(ms)63A1DC125V1, 2, 3, 4, 5, 6, 10, 15, 16, 20 ...