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2022-03
A: for miniature circuit breakers, 1p + N and 2p are generally controlled by two lines, but the effect is different.1p + n ---- single pole + n circuit breaker, which controls live line and zero line ···
Answer: P refers to modulus, and a p modulus is 18mm; 1p ----- single pole circuit breaker with thermal magnetic tripping function, which only controls the live line (phase line);This is the 1p circui···
Answer: 1. the use of 1P lighting, traditional practice, nothing is not bad. It also has 1P+N, and I don't think it's necessary. There is no leakage of electricity in the lighting.2. actually ···
Application of quadrupole circuit breaker, the current domestic is not required to use the provisions of mandatory national standards or rules such as, although regional electric quadrupole (circuit b···
(civil residential buildings, from the meter box to the indoor distribution box when the single phase out of the line, why the distribution box line with 2P instead of 1P? No leakage of the switch?)An···
Answer: for micro circuit breaker, 1P+N and 2P are generally controlled by two lines, but the effect is different.1P+N---- single pole +N circuit breaker, control fire line and zero line at the same t···
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