Applicable Environment

1. Explosive gas environment：

   • regional divisionExplosion proof distribution boxes are suitable for places with explosive gas mixtures such as Zone 0, Zone 1, and Zone 2.
   • Gas categoryIt is suitable for explosive gas environments of Class IIA, IIB, and IIC, with Class IIC being the highest level, meaning that the distribution box can withstand ignition sources of higher energy.
   • temperature groupExplosion proof distribution boxes are also suitable for explosive gas environments in groups T1 to T6, which represent the self ignition temperature range of gases.

2. Flammable dust environment：

   • Explosion proof distribution boxes are also suitable for areas such as Zone 20, Zone 21, and Zone 22 where combustible dust accumulates.

3. Specific industries and locations：

   • petrochemical industryFlammable and explosive gases and vapors are often present in places such as petrochemical facilities and oil platforms, making explosion-proof distribution boxes widely used in these locations.
   • chemical industryRaw materials and products in chemical production often have flammable and explosive characteristics, and explosion-proof distribution boxes are also key equipment in these industries.
   • other industriesExplosion proof distribution boxes are also suitable for electrical wiring in flammable and explosive places such as pharmaceuticals, coal, smelting, shipbuilding, military, textiles, etc.

Precautions

1. Installation location：

   • Explosion proof distribution boxes should be installed in ventilated, dry, and room temperature areas. It is strictly prohibited to install them in gas, smoke, vapor, liquids, and other harmful media that can cause serious damage.
   • There should be sufficient space and passage for two people to work simultaneously around the distribution box and switch box. No items that hinder operation or maintenance should be stacked, and there should be no weeds, shrubs, or other debris.

2. Wire connection：

   • The wire inlet and outlet in the explosion-proof distribution box should be located at the bottom of the box, avoiding being located at the top, side, back or door of the box.
   • The incoming and outgoing lines should be sheathed and split into bundles, and waterproof bends should be made. The wire bundles should not come into direct contact with the inlet and outlet of the box.
   • The power cord entering the switch box must not be connected with a plug; The inlet and outlet lines of mobile distribution boxes and switch boxes must use rubber insulated cables.

3. Internal connection：

   • The connecting wires inside the explosion-proof distribution box should use insulated wires, with no loose joints and no exposed live parts.
   • The working neutral wire inside the distribution box and switch box should be connected through a terminal block and separated from the protective neutral wire terminal block.
   • The metal boxes of distribution boxes, switch boxes, metal electrical installation boards, and non live metal bases and shells of electrical appliances inside the boxes must be protected with neutral connections, and the protective neutral wire should be connected through terminal blocks.

4. maintenance：

   • Explosion proof distribution boxes should be securely installed, kept intact, and handled with care during transportation to prevent damage.
   • Regular inspection and maintenance should be carried out during use, and any damage should be promptly repaired or replaced.
   • It is prohibited to carry out live or dangerous operations. If any abnormal situations are found during use, the use should be immediately stopped and professional personnel should be contacted for maintenance and handling in a timely manner.

In summary, explosion-proof distribution boxes have a wide range of applications in multiple industries and fields, but the above precautions need to be taken during use to ensure their normal operation and safety.