Installation requirements for distribution boxes
Distribution boxes shall be made of non-combustible materials; open distribution boards may be installed in production p ...
Mechanical Life and Electrical Life of Contactors
The life and reliability of AC contactors are mainly determined by the life of coils and contacts. During the use of AC ...
Quality Problems of Distribution Box
1. Inspection does not meet relevant standards The inspection of a commodity by relevant departments in China is usuall ...
Operating principle of AC Contactor
Operating principle of ac contactor: When the AC contactor coil is connected with the electric source, coil generates a ...
5In and 10In for MCCB
The so-called 5In~10In means that the tripping current of the circuit breaker can be adjusted between 5 times and 10 tim ...
Use of Circuit Breaker
Circuit breaker once said that the automatic switch, refers to connect, bear and breaking under the condition of normal ...
How to tell the difference between AC contactor and DC contactor
How to tell the difference between AC contactor and DC contactor 1.The iron core of the AC contactor is made of Silicon ...
The importance of photovoltaic combiner boxes
Since entering the new century, the solar photovoltaic industry has become one of the most attractive emerging industrie ...
How should consumers choose miniature circuit breakers
There are too many kinds of miniature circuit breakers (MCB)in the market，so choosing a suitable MCB is very important i ...
