The relationship between opening distance, overrun, final pressure and release force of moulded case circuit breaker ?
The relationship between opening distance, overrun, final pressure and release force of moulded case circuit breaker? Th ...
How to solve the problem of temperature rise of plastic case circuit breaker? What is the cause to make temperature rise ?
1. The problem of material purity of electric conductor or or contact itself leads to excessive working resistance and c ...
What are the common faults of AC contactors ?
Reasons for Common Faults of AC Contactors and Solutions: According to the use of AC contactors in recent years, there ...
How to use multimeter to judge the quality of AC contactor ?
1. Measure the coil with the ohmic gear of the multimeter to see if the coil is short-circuited. If the short-circuited ...
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 ...
