... Rated Working voltage Ue:AC 400V 1.Application AM1L series earth leakage circuit breaker are one of the new ... It has the same overall size with the AM1 series breakers, which make the installation more exchangeable. The ... .2. If the three-pole breaker of this series is connected with three phase load, the load ... .3. If the three-pole breaker of this series is connected with single phase load, the phase ...