Explosion-proof Cabinet Distribution Box

1. The main body of the Explosion-proof cabinet distribution box is made of high-strength cold-rolled steel plate or high-quality stainless steel. The electrical component mounting plate inside the box is made of high-quality insulating materials, which have good insulation performance and flame retardancy, ensuring the safety and reliability of the distribution box from the source.

2. The Explosion-proof cabinet distribution box adopts a floor-standing cabinet design, with a stable structure, and can accommodate more electrical components and complex line layouts.

3. The cabinet body adopts an explosion-proof structure. The joint surface between the cabinet door and the cabinet body is precision machined, with the gap controlled between 0.1 - 0.2mm and the length not less than 25mm, forming an effective explosion-proof surface. When an explosion occurs inside the cabinet, the explosion-proof surface can prevent flames and high-temperature and high-pressure gases from spreading to the outside, ensuring the safety of the surrounding environment.

4. In addition to the explosion-proof structure of the cabinet body, all electrical components inside the Explosion-proof cabinet distribution box are explosion-proof products and have undergone special treatment to prevent the generation of electric sparks or high temperatures. The incoming and outgoing wire holes are equipped with explosion-proof cable glands, which can effectively seal the cables and prevent flammable and explosive substances from entering the cabinet. The operation buttons, indicator lights, etc. on the surface of the cabinet body are all designed with explosion-proof type, and the protection level reaches IP65, ensuring that the overall explosion-proof performance is without dead angles.

● Rated voltage: Common ones are 220V, 380V, etc., and other voltage levels can also be customized according to actual needs.

● Rated current: The range is wide, from several amperes to hundreds of amperes, such as 6A, 10A, 16A, 100A, 250A, etc. It needs to be selected according to the actual load current.

● Explosion-proof mark: Such as ExdeⅡBT6, ExdeⅡCT6, Ex tD A21 IP65, etc. Among them, Ex means explosion-proof, d means flameproof type, e means increased safety type, ⅡB and ⅡC mean the category of explosive gas, and T6 means the temperature class.

● Protection level: Common ones are IP54, which has dust-proof and splash-proof functions, suitable for outdoor or harsh environments; IP65 has dust-proof and waterproof functions, suitable for humid or open-air environments.

● The shell of the Explosion-proof cabinet distribution box is welded with steel plates, and the surface is sprayed with high-voltage electrostatic plastic; it has good waterproof and dust-proof performance.

● The cabinet structure provides a spacious internal space, which can accommodate more electrical components and functional modules, suitable for complex power consumption scenarios with a large number of circuits and large power loads.

● The Explosion-proof cabinet distribution box has two forms: flameproof type and composite type; the main body of the composite type is an increased safety structure, and the built-in components are flameproof components or increased safety components.

● The Explosion-proof cabinet distribution box adopts a modular design inside, and the internal components are installed on standardized guide rails. The terminal blocks are clearly marked, which is convenient for installation and wiring. The opening angle of the cabinet door can reach 180°, and the internal space is spacious, which is convenient for maintenance personnel to carry out maintenance and troubleshooting.

● The shell can be made of stainless steel according to user requirements, please note if users have requirements.

Explosion-proof cabinet distribution box and junction box are obviously different in terms of function, structure, performance, and application scenarios. The following is a detailed introduction:

Functional use:

(1) The Explosion-proof cabinet distribution box is an integrated power control device with multiple functions such as power distribution, circuit protection, and control. It can centrally manage the power of multiple circuits, such as controlling the start and stop of motors, distributing power to different equipment, and realizing overload, short circuit, leakage and other protection functions through internal circuit breakers, contactors and other components.

(2) The explosion-proof junction box is mainly used for the connection and protection of wires and cables. It plays a role in protecting wire joints, preventing the external environment from affecting the wire connection points, and preventing electric leakage, short circuit, etc., and does not have complex power control and protection functions.

Structural design:

(1) The Explosion-proof cabinet distribution box is relatively large in size. The cabinet body is usually made of high-quality cold-rolled steel plate or stainless steel, formed by CNC bending and welding. The internal space is spacious, which can accommodate many electrical components and functional modules. It is equipped with standardized guide rails for installing components, as well as intelligent control systems, heat dissipation devices, etc.

(2) In contrast, the junction box is small in size and diverse in shape, commonly square, circular, etc. The material is generally cast aluminum alloy, engineering plastic or stainless steel, with a simple structure, mainly composed of a box body, a box cover and terminals, focusing on ensuring the sealing and protection of the wire connection parts.

Explosion-proof performance:

(1) Although both have explosion-proof functions, there are differences in the realization method and explosion-proof degree. The Explosion-proof cabinet distribution box adopts an flameproof structure. The joint surface between the cabinet door and the cabinet body is precision machined to form an effective explosion-proof surface. All internal electrical components are explosion-proof type, and the incoming and outgoing wire holes are equipped with explosion-proof cable glands. The overall explosion-proof performance is comprehensive and strong, with a higher explosion-proof level, and can adapt to explosive gas environments of class ⅡB and above.

(2) The explosion-proof of the junction box is mainly achieved through sealing and special materials to prevent internal electric sparks from contacting external flammable and explosive gases. Its explosion-proof level is relatively low, and it is generally applicable to local areas with less danger and lower explosion risk, meeting the explosion-proof protection requirements for wire connection points.

Application scenarios:

(1) The Explosion-proof cabinet distribution box is suitable for high-risk industries such as petrochemical, coal mining, and natural gas transportation, where centralized power management and control of a large number of equipment are required. For example, in petrochemical enterprises, it controls the power distribution of core equipment such as reactors and pumps.

(2) Explosion-proof junction boxes are widely used in various electrical installation projects. Wherever wire connections are needed, in environments with flammable and explosive risks, explosion-proof junction boxes are required, such as the connection of lighting lines in factory workshops and the connection of equipment power lines.

The Explosion-proof cabinet distribution box has a wide range of applications, and the product can be widely used in the following scenarios:

1. Petroleum and chemical industry: In the process of petroleum refining and chemical production, there are a large number of flammable and explosive gases and liquids. With its high explosion-proof level, the Explosion-proof cabinet distribution box can safely control the power distribution of reactors, pumps, compressors and other equipment, ensure the 24-hour uninterrupted operation of the equipment, and avoid major accidents such as explosions and fires caused by power failures.

2. Natural gas exploitation: In natural gas fields, along gas transmission pipelines and other places, there is a risk of explosion caused by natural gas leakage. The Explosion-proof cabinet distribution box can be used to control the power supply of natural gas exploitation equipment, compressor stations, valves, etc. Its high protection level and reliable explosion-proof performance can ensure stable operation in flammable and explosive natural gas environments, ensuring the safety of energy transmission.

3. Flour processing: Flour and other dusts are explosive under certain conditions. The Explosion-proof cabinet distribution box is made of stainless steel, with a smooth surface that is easy to clean, and has good explosion-proof and sealing performance, which can prevent dust from entering the box and provide safety guarantee for the power equipment of the flour processing production line.

4. Mining industry: The underground environment of coal mines is complex, with high risks of gas explosion and coal dust explosion. Our Explosion-proof cabinet distribution box can provide stable power supply for roadway lighting, ventilators, gas extraction equipment, etc. Its solid cabinet body and reliable explosion-proof performance can resist humidity, dust and possible mechanical collisions underground, effectively ensuring the safety of miners and the smooth progress of production.

Q: What product tests do you conduct on the Explosion-proof cabinet distribution box before leaving the factory?

A: The product tests conducted on the explosion-proof distribution box before leaving the factory include: box strength testing, tightness verification, special explosion-proof performance testing, electrical safety testing, environmental adaptability testing, etc.

Q: What materials are used in explosion-proof distribution boxes?

A: Common materials of explosion-proof distribution boxes are:

1. High-quality aluminum alloy material

2. 304 stainless steel material

3. Carbon steel material

4. Engineering plastic

Q: What precautions should be taken when installing the Explosion-proof cabinet distribution box?

A: It must be operated by professionals to ensure cable sealing (using explosion-proof cable glands).

The grounding must be reliable to avoid static accumulation.

Avoid drilling or modifying the box body to damage the explosion-proof structure.

Q: Why choose us?

A: Our Explosion-proof cabinet distribution box integrates high-quality raw materials, advanced technology, practical design and wide application, providing customers with professional and reliable safe power distribution solutions. If you have relevant needs, please feel free to contact us, and we will provide you with comprehensive services and support.

The main body of the Explosion-proof cabinet distribution box is made of high-strength cold-rolled steel plate or high-quality stainless steel. The cold-rolled steel plate has been treated with special processes, with high strength and high toughness, and can withstand large mechanical external forces, and is not easy to deform even in harsh transportation and installation processes; the surface is sprayed with multiple layers of anti-corrosion coatings to form a dense protective film, which can effectively resist external environmental erosion. Stainless steel material is known for its excellent corrosion resistance and oxidation resistance, and can operate stably for a long time in harsh environments such as humidity, acid and alkali, and is especially suitable for scenarios with high corrosion resistance requirements such as coastal areas and chemical parks.

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