The explosion-proof junction box can operate efficiently within a temperature range of -20℃ to+40℃. The Flameproof junction box is made of durable aluminum alloy with a corrosion resistance level of WF1, which is suitable for applications in petroleum, chemical, offshore platforms, docks, and other hazardous locations.

Features

• The explosion-proof junction box features a housing made of aluminum alloy die-casting or welded steel plate, with a high-pressure electrostatic spray finish.
• Inside, the ex-proof junction box is equipped with terminal blocks, and the number of terminals can be customized according to requirements.
• The housing can have multiple entry points on all four sides, with the direction, specifications, and quantity of the entry points customizable based on specific needs.
• The introduction device can be equipped with BDM series explosion-proof cable glands or BTL series explosion-proof filling seals.
• The entry points typically use pipe threads and come with cable introduction devices.
• Flameproof junction box supports wiring via steel pipes or cables.

Specification

• Model: RDDLZ-BJX-02
• Protection Level: IP66
• Product Size: 200*200*126mm (For more options please contact us)
• Corrosion Level: WF1
• Material: Aluminum alloy
• Rated Voltage: 220/380V
• Rated Current: 100A (For more options please contact us)
• Atmospheric pressure: 80KPa~110KPa.
• Operating environment temperature: -20℃~+40℃
• Relative humidity: not more than 95% (+25℃)
• Inlet thread: G1/2"~G2" (Please contact us for specific dimensions)
• Cable outer diameter: 8~80mm (Please contact us for specific dimensions)
• Customization: Supported
• Explosion-proof Mark: Exd IIC T6 Gb, Ex tD A21 IP66 T80℃
• Standards: GB3836.1-2010, GB3836.2-2010, GB12476.1-2013, GB12476.5-2013

Product size (mm)

Note: We can provide explosion-proof junction boxes in the above sizes, with a full range of models available and customization options supported. Please feel free to contact us for a specific quotation if you need.

Tips: Working principle of explosion-proof junction box

The explosion-proof junction box features a specially designed housing that can withstand internal explosion pressures without failure. This design includes thick materials and tight sealing to ensure that external leakage does not occur in the event of an accident. Additionally, if a short circuit or fault occurs within the electrical equipment, sparks or high temperatures may be generated. The structure of the junction box effectively limits the spread of these sparks, preventing the ignition of external explosive atmospheres. Temperature control is also crucial, ensuring that the surface temperature does not exceed specified limits (such as T6, T80℃) to avoid ignition risks.

Explosion-proof junction boxes typically have a high protection rating (such as IP65 or IP66), effectively preventing water and dust ingress, which enhances the overall safety of the device. They must comply with specific explosion-proof standards (such as Exd or Exe) to ensure safe operation in designated environments. Through these designs and standards, explosion-proof junction boxes provide reliable electrical connections in hazardous areas, safeguarding both personnel and equipment.