What's the reason why AC contactor can't pickup, but shake ?
When the voltage of the power supply system is low, it may cause the AC contactor not to pick up but shake. The working ...
What is the reason for the noise of AC contactor ?
Reasons and treatment methods of noise produced by AC contactor in operation sometimes are as follows: 1. The first rea ...
How to choose AC contactor ?
When choosing AC contactor, the working voltage of AC contactor shall not be lower than the maximum voltage of the contr ...
What is the function of AC contactors? Why do AC contactors need to be used?
The function of AC contactor: 1. In electrotechnics, because the main circuit of AC and DC can be switched off quickly ...
How to choose the Size of Non-standard Distribution Box
1. Spacing between components should be convenient: cable connection, component operation, component maintenance and rep ...
Breaking Capacity of Moulded Case Circuit Breaker
The maximum current that a moulded case circuit breaker can disconnect at rated voltage. Also known as rated short-circu ...
Main Characteristics of Moulded Case Circuit Breaker
Rated limit short circuit breaking capacity Icu There are two kinds of breaking capacity indexes of circuit breaker: ra ...
Maintenance Method of Molded Case Circuit Breaker
The main contacts of low-voltage circuit breakers are operated manually or electrically. After the main contact is close ...
Material of distribution box
Distribution boxes are mainly made of the following materials: Cold-rolled steel sheet Distribution boxes made of this ...
Can the thermomagnetic tripper in the moulded case circuit breaker set the current ?
Generally, the current of thermomagnetic release of most domestic moulded case circuit breakers is not adjustable. Some ...
