Precautions for Installation of High and Low Voltage Distribution Cabinet


Release time:

2023-07-17

The cabinet body and the equipment in the cabinet shall be firmly connected with each component, and the main control cabinet, relay protection cabinet and automatic device cabinet shall not be directly welded with the foundation steel.

high and low voltage power distribution cabinet:

(1) The power distribution cabinet is installed in a vibration place, and shockproof measures should be taken. The cabinet body of

(2) and the equipment in the cabinet shall be firmly connected with each component. The main control cabinet, relay protection cabinet and automatic device cabinet shall not be directly welded to the foundation steel. When

(3) is installed separately or in rows, its verticality, levelness, cabinet surface flatness and allowable flatness of cabinet joint shall be installed according to construction requirements.

(4) The terminal box should be installed firmly and well closed, and the installation position should be easy to check; it should be arranged neatly when installed in rows. The grounding of

(5) cabinet shall be firm and good. Openable cabinet doors equipped with electrical appliances shall be reliably connected with a flexible conductor to a grounded metal structure.

(6) The wiring in the cabinet is neat, clear, beautiful, with good wire insulation and no damage. The wires of the cabinet should not have joints; the wiring of each side of each terminal board is generally one, and no more than two.

(7) The wiring in the cabinet shall be copper core wire with a cross section of not less than 1.5mm and a voltage of not less than 400V. The wires laid in the

(8) cabinet shall meet the requirements of the installation specification, I .e. the same guide wires shall be bundled into a bundle, and the wires shall be arranged along the cabinet frame; the wires shall be laid horizontally and vertically, and the turning point shall form a right angle of arc transition.

(9) The rubber insulated core wire bow shall be protected by insulated pipe inside and outside the cabinet.

(10) After the power distribution cabinet is installed, the paint on the cabinet surface should be intact. If it is damaged, it should be painted again. Low-voltage power distribution cabinet is an important electrical equipment for enterprises. After installation, it needs to be examined and maintained every year to ensure the normal and safe operation of low-voltage power distribution cabinet.