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 ...
Does the plastic case circuit breaker itself have isolation function ?
Yes. Plastic housing refers to the use of plastic insulators as the shell of the device, used to isolate between conduct ...
Working Principle of Molded Case Circuit Breaker
1. Working Conditions of Molded Case Circuit Breakers (1) The upper limit of ambient air temperature is + 40 C; the low ...
What are the selection principles of circuit breakers ?
1. Firstly, the rated voltage should be selected according to the rated voltage, and the rated voltage should be the sam ...
