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2022-03
答：对于微型断路器来说，1P+N、2P一般都用是两条线的通断控制，但效果不同。1P+N----单极+N断路器，同时控制火线、零线，但只有火线具有热磁脱扣功能；模数同样为18mm；2P------单相2极断路器，同时控制火线、零线，···
答：P指模数，一个P模数18mm；1P------单极断路器，具有热磁脱扣功能，仅控制火线（相线）；这个就是1p断路器，宽18mm
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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