What is the maximum load on each cable in the shield?
Good afternoon. There is a switch on 50A - a cable comes into it from the street. Next are the same switches for 16A (three phases), 25A (three phases), 25A (one phase). Three separate cables go into the house. The question is - what is the maximum load on each cable withstood, in the case of maximum feed?
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If from the street the cable enters the 50 A circuit breaker, then this switch means that it limits the load current. A three-phase circuit breaker is three single-pole circuit breakers in one housing, respectively, each phase has a rated load of 50 A, exceeding this rating will already be an overload. Short-term overload will not cause the machine to trip, but if the load exceeds 50 A for a long time, the machine will turn off in one of the phases.