3 Pole Miniature Circuit Breaker,240V/480V Ac Circuit Breaker, 63Amp, 63A About magnetic arc extinguishing Product Name:AC Circuit Breaker,Rated Voltage:240V/480V AC,Number of Poles:3 poles,Rated Current:63A Flame retardant thermosetting shell, oversized interface, visualisation window, the work of the circuit breaker at a glance Suitable for protecting AC circuits from overload and short circuit damage and infrequent switching of circuits, used in 50/60Hz AC power systems, residential buildings, office buildings, power distribution lines, etc. Safety: Immediately trips when the circuit is short-circuited, protects the safety of the circuit, can be easily mounted on DIN rail. About after-sales, any questions feel free to contact us, we have a professional team to help you service!