Explosion-proof lighting (power) distribution box industrial development origin and parameters

Product Name: explosion-proof lighting (power) distribution box (IIB)

Explosion-proof distribution box can be divided into: explosion-proof power distribution box, control box, maintenance box, power socket repair box, magnetic start box, operation box, inverter and so on.

First, the scope of application
1, Zone 1, Zone 2 hazardous locations.

2. Group IIA, IIB, IIC group explosive gas environment.

3, indoor and outdoor (IP54, IP65).

Second, the performance characteristics 1, aluminum alloy die casting molding, surface spray, beautiful appearance.

Built-in C65N, NC100H and S25â–¡S high breaking miniature circuit breaker, M611 or GV2 motor protector, 3VE1 air switch, CM1 molded case circuit breaker, and letter 2, light and other components.

3, with overload and short circuit protection.

4, module structure, a variety of circuits can be freely assembled according to needs.

5, according to user requirements tailor-made, such as the installation of surge protectors, ammeters, voltmeters, etc.; shell with padlock handle.

6, steel pipe or cable wiring.

Third, technical parameters 1, outlet thread specifications Outletthreadspeaficaton

2. Number of outlets Oulietnurnber

Outlet direction inlet thread specification Inletthreadspeciflcation

Number of entrances Inlelnumber

Inlet direction total switch current Currentofmalnswitch

K: main circuit with main switch (without note) Main switchofmaincircun(Nomatchingnotnoted)

Branch Power Supply Brar#chcurrent

Number of branches

Special requirements, according to the user's drawings manufacturing explosion-proof lighting distribution box (without the main switch) explosion-proof power distribution box (without the main switch) explosion-proof lighting (power) distribution box (without the main switch)

Explosion-proof lighting distribution box (with main switch) Explosion-proof power distribution box (with main switch) Explosion-proof lighting (power) Distribution box f with switch)

Explosion-proof lighting (power) distribution box - can be tailor-made according to user requirements.

Ordering <br> <br> order shall indicate the number of branches with the transfer case, the number of poles of the circuit breaker Huai current corresponding to each branch, with leakage protection Request For Please specify the master switch with Please specify the current and the number of poles of the master switch, and indicate the direction of the incoming and outgoing wires, the specifications of the incoming and outgoing wires, and the corresponding quantities;

The required series of explosion-proof power distribution boxes can be specially designed according to the user's requirements. The user must provide the electrical system diagram.

Applicability of explosion-proof distribution box <br> <br> With the rapid development of the petroleum, chemical, mining and other industries, use explosion-proof distribution box in the production, storage, rescue more and more widely, more and more varieties. How to prevent accidental explosion of the explosion-proof distribution box has become a very important issue in explosive gas hazardous locations. Because explosion-proof distribution boxes inevitably produce sparks during their work, once they meet the explosion gas mixture at the production or rescue site, it will lead to the occurrence of explosion accidents, which directly endanger the lives of national property and citizens. Therefore, as the most widely used lighting fixture, its explosion-proof technology has long attracted people's attention and great attention.

The characteristics of explosion-proof distribution box 1. Explosion-proof distribution box adopts compound type, module structure, each circuit can be assembled freely according to needs, the general switch box adopts explosion-proof structure, bus box and outlet box adopt increased safety structure.

2. The built-in components can be installed with high-rated circuit breakers or molded case circuit breakers according to user requirements. Such as DZ47, C65, CM1 and so on. Component brands such as Chint, Schneider, Delixi, Changshu and other component brands

3, can be tailor-made according to customer requirements, such as the installation of surge protectors, ammeters, voltmeters, etc., can be equipped with padlock metal handle. 4. Suitable for lighting and power lines, with disconnection, overload, loss of pressure protection and short-circuit automatic cutting function of steel or cable wiring can be.

Explosion-proof distribution box group meaning 1, different countries and regions, according to their respective standards of explosion hazardous areas. According to the frequency and duration of the occurrence of explosive gas mixtures in China, the explosive gas environment is divided into Zone O, Zone 1 and Zone 2. (consistent with IEC International Electrotechnical Commission)

Zone 0: Continuous or prolonged exposure to explosive gas mixtures.

Zone 1: The environment in which explosive gas mixtures may occur during normal operation.

Zone 2: The environment in which explosive gas mixtures cannot occur during normal operation, or even the presence of explosive gas mixtures that are present for a short period of time.

Zones 2 and 0 generally exist only in sealed containers, tanks and other internal gas spaces. In the actual design process, zone 1 is also rarely present, and most cases belong to zone 2. 1.2 explosion-proof electrical equipment is divided into two categories:

Category I electrical equipment for underground mines Class II electrical equipment for use in mines other than mines Class II electrical equipment, classified as IIA, IIB, IIC, according to the maximum test safety clearance or minimum ignition current ratio applicable to explosive gas mixtures

Proof distribution box properties <br> <br> properties: under specified test conditions, minimum gas, vapor ignition of explosive mixtures with the minimum current explosive mixture ignited methane current ratio. China stipulates that the gas and vapor hazardous materials have a minimum ignition current of scores IIA, IIB, and IIC. The minimum ignition current ratio ≤1.0,>0.8 is IIA; ≤0.8,>0.45 is IIB; ≤0.45 is IIC. For example, ethane, ethylene, and acetylene are classified as IIA, IIB, and IIC dangerous substances, respectively.

Explosion-proof anti-corrosion box, explosion-proof anti-corrosion lamp for high corrosion, high dust and chemical flammable and explosive places, such as salt factory, textiles, paper products, moisture and other places!

Explosion-proof explosion-proof distribution boxes, explosion-proof explosion-proof lamps are suitable for large-scale projects such as flammable and explosive industries, such as paper products, textiles, warehouses and other large chemical supplies and other places!

Glacial Acetic Acid

Shijiazhuang Xinlongwei Chemical Co., Ltd. , https://www.xinlongwei-chem.com

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