Causes of circuit breaker tripping
There are generally three reasons for circuit breaker tripping, the first is overload, the second is short circuit, and ...
How to solve the problem that the temperature of moulded case circuit breaker rises ?
1. The problem of material purity of electric conductor or or contact itself leads to excessive working resistance and c ...
The release mode of moulded case circuit breaker should be selected according to the type of circuit breaker release
The release of moulded case circuit breaker is divided into instantaneous release and overload release. Instantaneous an ...
How to Choose the Release Mode of Molded Case Circuit Breaker
The release modes include: spring force release mode in energy storage state; driving force release mode of compressed a ...
What is Waterproof Distribution Box ?
We all know that in all the classifications of distribution boxes there is a kind of distribution boxes called waterproo ...
Advantages and Functions of Waterproof Distribution Box
1. The engineering plastic shell is made of glass fiber reinforced unsaturated polyester resin and pressed by moulds. It ...
Principle of AC Contactor
When the coil is electrified, the static iron core generates electromagnetic attraction and pulls the moving iron core t ...
Notes for Installation of Distribution Box
1. Whether installing metal or plastic distribution boxes, whether using open or concealed packaging, the box body of di ...
CJX2 (LC1-D) AC contactor
CJX2 (LC1) series AC contactors (hereinafter referred to as contactors), CJX2 contactors are improved based on France TE ...
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 ...
Introduction of Contact of AC contactor
When the AC contactor is used, it often needs to be on and off for many times, so the damage will inevitably occur in th ...
Selection method of AC contactor
Today, the manufacturer of AC contactor will tell you that it is suitable for controlling electric heating equipment, l ...
What is the difference between AC contactor and relay?
AC contactor is used for long-distance connection or disconnection of a large amount of current load. Its main circuit ...
What's the matter with motor always burning AC contactor
In some chemical plants, there are always some areas that burn down DC contactors. According to my work experience, it ...
