Manufacturer's direct supply distribution box explosion-proof button box 86 type cast aluminum waterproof box

Manufacturer's direct supply distribution box explosion-proof button box 86 type cast aluminum waterproof box
Explosion proof junction box three-way DN20 aluminum alloy should work reliably under the following conditions:
1. Atmospheric pressure: 80-110KPa
2. The ambient temperature is -20 ° C to+40 ° C
3. The relative humidity of the surrounding air is not 95% (at+25 ° C)
4. In places without significant shaking or impact vibration
5. In an environment free from gases and vapors that damage metal and insulation
6. In areas without dripping water or liquid intrusion
7. Pollution level: Level 3
8. Installation category: Class II
Manufacturer's direct supply distribution box explosion-proof button box 86 type cast aluminum waterproof boxBox structure requirements
1. The explosion-proof junction box shell is made of cast aluminum alloy ZL102, with a tensile strength of not less than 120MPa and a total magnesium and titanium content of not more than 7.5% (weight ratio)
2. The electrical clearance of the explosion-proof junction box shall not be less than 6mm, and the creepage distance shall not be less than 12.5mm.
3. The explosion-proof junction box shell should be clearly marked with a raised pattern, and the explosion-proof type should be "EXdIIBT6Gb" and "Strict Point Opening"
4. The connection components (terminal blocks) between explosion-proof junction boxes and external circuits shall comply with the requirements of GB3836.3
5. The surface of the fasteners on the explosion-proof junction box casing should be treated with galvanized purification or made of stainless steel material, and measures should be taken to prevent loosening.
6. The metal components of explosion-proof junction boxes should be reliably coated.
7. The joint surface of the explosion-proof junction box is treated with a rubber sealing gasket structure
8. Explosion proof junction boxes should be equipped with internal and external grounding connectors
9. Explosion proof junction box enclosure protection level IP65 or IP66
10. The surface of the explosion-proof junction box shell should be sprayed with plastic evenly, brightly, without scratches, peeling or other phenomena, and the inner surface should be coated with 1321 arc resistant paint
Manufacturer's direct supply 86 outdoor junction box explosion-proof button box 86 type cast aluminum waterproof box Precautions
1. The introduction thread form is pipe thread, which can also be customized according to user requirements;
2. When supplying normally, the thread specifications for the hanging cover inlet and the object inlet are *. If there are special requirements when ordering, please specify them;
3. When placing an order, please clearly indicate the explosion-proof type of the required product after the model number.
Example: If you need to order an explosion-proof junction box with inlet specifications of G3/4 ', two flat, IIC grade products, the order number is "AH-G3/4 two flat (IIC)";
If you need to order an explosion-proof junction box with inlet specifications of G1/2 ', three suspension, and increased safety products, the order number is "AH-G1/2 Three Suspension (e)";
3. If you need to order a dust explosion-proof junction box with a G1 'and four flat inlet specifications, the order number is "AH-DIP-G1 Four Flat"
Performance Requirements
1. The insulation of the explosion-proof junction box should be able to withstand AC 50Hz
2. Under rated conditions, the temperature of the increased safety terminal of the explosion-proof junction box shall not exceed 80 ℃. The surface of the junction box casing allows for maximum high temperature not exceeding 80 ℃.
3. The sealing ring and sealing gasket of the explosion-proof junction box are made of oil resistant rubber with IRHD hardness of 45-55 degrees, and can withstand the heat and cold resistance tests in GB3836.1.
4. The shell of the explosion-proof junction box should be able to withstand an impact test with a weight of 1kg and a drop height of 0.7/m. The result is qualified if there is no structural damage or deformation that may affect the explosion-proof performance.