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Distribution Box Considerations
- Oct 13, 2017 -

Distribution box is data on the mass parameters, the general is a low pressure according to the electrical wiring, Lin asked to switch equipment, measuring instruments and protection of electric equipment and auxiliary equipment in a closed or semi-closed metal cabinet or on BingFu, constitute a low voltage distribution box. In normal operation, the circuit can be switched on or off by manual or automatic switch.

Distribution box has small volume, convenient installation, technical performance, special fixed position, configuration features unique, without being limited by the space, the application is common, stable and reliable operation, high space utilization, less land and has the characteristics of environmental effect.

use

Distribution box has small volume, convenient installation, technical performance, special fixed position, configuration features unique, without being limited by the space, the application is common, stable and reliable operation, high space utilization, less land and has the characteristics of environmental effect. Is command power of various components of the circuit to be reasonable allocation of power control center, is a reliable power source is to accept the top, right feed electricity load control links, was the key to obtain users satisfied with the quality of power supply or not. To improve the operation reliability of power distribution box is the target of high quality engineering.

Reasonable distribution of electrical energy to facilitate the operation of the circuit. High level of safety protection, the intuitive display of the circuit.

principle

The distribution box shall be installed in a closed or semi-closed metal cabinet or screen in accordance with the electrical wiring requirements to assemble the switch equipment, measuring instruments, protective appliances and auxiliary equipment, and constitute a low-voltage distribution box. In normal operation, the circuit can be switched on or off by manual or automatic switch. To cut off the circuit or alarm with the aid of a protective device when failure or abnormal operation. The measuring instrument can show the various parameters in operation, and can adjust some electrical parameters to signal or signal the deviation of normal working status

considerations

(1) the construction power distribution system shall set up the general distribution box, the distribution of the electric box, the switch box, and according to the "total - split - open" order, and form the "three-level distribution" mode.

(2) the installation location of each distribution box and switch box of the construction power distribution system should be reasonable. The general distribution box should be as close as possible to the transformer or external power source, so as to introduce the power supply. Distribution of electrical boxes should be installed in the central area of the power equipment or load relative concentration to ensure the balance of the three-phase load. The position of the switch box installation shall be as close to the electric equipment as it is controlled.

(3). Ensure that the temporary electricity distribution system three-phase load balancing, power electricity and light of the construction site should form two electric circuit, power distribution box with lighting distribution box should be set up respectively.

(4) all electrical equipment in the construction site must have their own special switch box.

(5) the boxes and internal Settings of the distribution boxes at all levels must comply with safety regulations, and the switch appliances should be marked for use, and the boxes should be uniformly numbered. Switch off the power distribution box and lock the door. The stationary distribution box shall be set up with a fence, and there will be anti-rain and anti-crash measures.

(6) the difference between distribution box and distribution cabinet. According to GB/t20641-2006 general requirements for low-voltage switchgear and control equipment

Distribution box is average family to use, the power distribution cabinet is multi-purpose in centralized power supply, such as industrial and building electricity, such as distribution box and distribution cabinets are complete sets of equipment, distribution box belongs to the low voltage complete sets of equipment, power distribution cabinet with high pressure low pressure.