According to structure and features: drawer type switch cabinet and power and lighting distribution control box
Drawer type switch cabinet, this kind of switch cabinet is made of steel plate with closed shell, the electrical compone ...
The cause of electrical failure in distribution box
The low-voltage electrical appliances in the distribution box caused by the influence of the environment temperature on ...
Have you ever heard of the breakdown caused by the quality of distribution box products?
During the transformation of rural power grid, due to the large number of distribution boxes needed and the short constr ...
Faults caused by improper selection of electrical appliances in distribution box
Due to the improper selection of AC contactor capacity in manufacturing, the installation of AC contactors with the same ...
Protection circuit to prevent the external circuit failure of distribution box power supply
For the distribution box with distribution transformer capacity of 100kV · A and above, the temperature control relay (j ...
Low voltage cable is selected for the incoming and outgoing lines of distribution box
Selection of residual current operated protector. It is necessary to select products that meet the standard of GB 6829 G ...
What factors should be considered for the distribution box of rural low-voltage power grid
Selection of fuse (RT, NT type). The rated current of the total overcurrent protection fuse at the low-voltage side of t ...
How to select the low voltage distribution box (2)
Q-1 level places that can form explosive mixture under normal conditions shall select explosion-proof, explosion-proof v ...
How to select the low voltage distribution box (1)
Low voltage distribution box is the lowest level of control and protection facilities in the power system, which is the ...
The specific functions of the distribution box include: remote control, hardware cooperation and wiring mode
With the continuous improvement of people's living standards, the requirements for electrical equipment are higher and h ...
