Non standard customized BXX-6 circuit with main switch explosion-proof maintenance distribution box

Overview of Explosion proof Classification for Explosion proof Distribution Boxes:

Explosion proof distribution boxes can be divided into two categories based on their usage locations: Class I: explosion-proof distribution boxes for medium and mining use, and Class II: explosion-proof distribution boxes for factory use.

Among them, Class II explosion-proof distribution boxes can be divided into Class IIA explosion-proof distribution boxes, Class IIB explosion-proof distribution boxes, and Class IIC explosion-proof distribution boxes according to different ratios of test safety clearance and minimum ignition current

Power Distribution Box. Explosion proof level: IIC>IIB>IIA.

The IIC and IIB levels of explosion-proof distribution boxes are mainly distinguished based on the applicable locations of the explosion-proof distribution box. Explosion proof distribution boxes used in the IIC area are called IIC level explosion-proof distribution boxes, while those used in the IIB area are called IIC level explosion-proof distribution boxes

The explosion-proof distribution box in the area is called an IIB level explosion-proof distribution box.

So, how to distinguish between the IIC zone environment and the IIB zone environment?

National industry regulations:

1. The main explosive gas components in Class IIB environment include chemical gases such as acetylene (acetylene), cyclopropane, acrylonitrile, hydrogenated argon coke oven coal, etc;

2. The main explosive gas components in Class IIC environment include hydrogen, acetylene, carbon disulfide, etc;

3. According to the different levels of explosive gases, the requirements for the explosion-proof distribution boxes we produce are also different. The explosion-proof level of IIC explosion-proof distribution boxes is higher than that of IIB explosion-proof distribution boxes

The explosion-proof level of the electrical box should be high because the explosion hazard coefficient of explosive gases in IIC level areas is higher, so more attention should be paid to production technology.

The specific division of the IIC and IIB environments is as follows:

1、 Classification of explosive gas (vapor) mixtures:

China: Class I (methane), Class II (explosive gas mixtures), Class III (explosive dust and fibers)

North America: Class I (explosive gas); Class II (explosive dust); Class III (Fiber)

Explosion proof and intrinsic safety electrical equipment are divided into three categories: IIA, IIB, and IIC.

Non standard customized BXX-6 circuit with main switch explosion-proof maintenance distribution boxProduct Features:

1. The outer shell of this product is made of aluminum alloy die-casting, Q235 steel plate welding, or 304 stainless steel material. The surface is subjected to high-speed shot blasting and powder electrostatic spraying, resulting in a beautiful appearance;

2. This product is a composite explosion-proof structure. The switch box adopts an explosion-proof structure, and the busbar box and junction box adopt an increased safety structure;

3. Adopting modular design, various circuits can be freely combined;

4. Equipped with high breaking miniature circuit breakers and AC contactors, which can be opened and closed by operating the handle and button outside the casing;

5. This product has comprehensively launched a new optimized design scheme and operating mechanism, with a compact and reasonable structure, strong universality, flexible and convenient operation, and good hand feel;

6. It has overload, short circuit, phase loss, and leakage protection functions;

7. All fasteners are made of corrosion-resistant 304 stainless steel material;

8. Wiring methods include steel pipes, cables, and explosion-proof hoses;

Non standard customized BXX-6 circuit with main switch explosion-proof maintenance distribution box Applicable environment:

1. Suitable for hazardous areas in Zone 1 and Zone 2 of explosive gas environments;

2. Suitable for explosive gas environments of IIA, IIB, and IIC levels;

3. Suitable for Zone 20, Zone 21, and Zone 22 environments with combustible dust;

4. Suitable for environments with temperature groups T1-T6;

5. Suitable for explosive hazardous environments such as petroleum and petrochemical, chemical, brewing, medicine, painting, textile, printing and dyeing, facilities, etc.