Main Functions of Molded Case Circuit Breaker
Moulded Case Circuit Breaker is also known as device type circuit breaker. All parts are sealed in plastic case, auxilia ...
Technical Requirements for Distribution Box in Electrical Industry
Different industries, different products have different technical requirements, in the electrical industry, distribution ...
What do AC-3 and AC-4 of AC contactors mean ？
Examples of Category Code and Typical Use AC-1 contactor is used to control inductionless or slightly inductive load an ...
How to choose the current of AC contactor and thermal relay ?
Under the condition of satisfying the voltage level, it is selected according to the current of the load. (1) The rated ...
What are the components of AC contactor ?
AC contactor mainly consists of four parts: (1) Electromagnetic system, including attraction coil, moving iron core and ...
How to Connect 380V AC Contactor ?
AC contactors 1L1, 3L2, 5L3 are contactor power supply side, connected with three-phase power supply. 2T1, 4T2 and 6T3 ...
What's the reason why AC contactor can't pickup ?
AC contactor can not pick, check whether the grid voltage is too low, whether the control line is falsely connected. If ...
Connection of 220V AC contactor ?
The working voltage of contactor coil, 380 or 220V, and what do you do? How much current should the main contact be? For ...
What's the use of AC contactor's NO and NC ?
When the contactor coil is not powered up, the auxiliary contacts of the contactor in the natural state have no conducti ...
Why should netural line and protective line busbars be set up separately in the distribution box ?
Protecting grounding bus mainly plays a protective role. Generally, it connects with grounding wire. Protecting groundin ...
