Teach you to pay attention to the electrical box installation error

The power distribution cabinet is the final equipment of the power distribution system. The power distribution cabinet is the collective name of the motor control center. The power distribution cabinet is used when the load is relatively scattered and the circuit is less; (1) The whole electrical box is small, too compact, and the component density is large, lacking the necessary space. Some electrical components are placed on the front and rear sides of the electrical box, which is not conducive to heat dissipation and is easily disturbed.
(2) The design layout and component layout of the electrical box are incorrect and unreasonable.
(3) The strong circuit and the control circuit are not separated. The strong circuit cable box control cable industry does not have separate wiring. Some power switches are close to the PLC and are susceptible to interference.
(4) The shielding grounding is not good. Some MPI shielding wires are not connected or not connected. There is no signal connector, and the cable is not fixed, which may cause interference and poor contact failure.

(5) The air conditioning capacity is small and the number is small, which cannot meet the requirements of the hot weather. For high-power heating components, such as high-power driving power supply, there is no axial fan.

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