T744F400

M4 630F - thermal-magnetic circuit breaker 4P - In=400A - Icu=36kA - Ue= 690Vac - setting: Ir= 0.8-1In (overload) - Isd= 5-10In (short-circuit)
M4 630F - thermal-magnetic circuit breaker 4P - In=400A - Icu=36kA - Ue= 690Vac - setting: Ir= 0.8-1In (overload) - Isd= 5-10In (short-circuit)