Explosion-proof distribution box surface mounted

Explosion-proof distribution boxes for surface mounting are designed to safely house electrical components in hazardous areas, offering robust construction, modular configurations, and compliance with ATEX and IECEx standards.

Key Features

Construction and Materials: Surface-mounted explosion-proof distribution boxes are typically made from stainless steel (AISI 304L or 316L) or GRP polyester, providing high mechanical strength, corrosion resistance, and durability in extreme conditions . Some models feature die-cast enclosures with anti-static coatings and anti-loosening fasteners to ensure long-term reliability . Explosion Protection Types: These boxes often combine flameproof (Ex d) and increased safety (Ex e) chambers, allowing flexible protection for electrical circuits in hazardous zones . They are suitable for Zone 1 and Zone 2 (gas) and Zone 21 and Zone 22 (dust) environments . Certifications and Standards: Most surface-mounted explosion-proof distribution boxes are ATEX and IECEx certified, ensuring compliance with international safety standards for hazardous areas . Some products also meet CENELEC, NEC, and other regional standards. Electrical Specifications: These boxes support multi-circuit configurations with rated voltages up to 690V AC 50/60Hz and 500V DC, accommodating a wide range of industrial applications . Color-coded indicators on operating panels help prevent misoperation and simplify maintenance . Design and Functionality:

• Modular and scalable architecture allows customization for different circuit requirements .
• Hinged or side-opening latches facilitate easy access while maintaining flameproof integrity .
• Specialized hinge structures prevent damage to flameproof joints during opening and closing, extending service life .
• Some models allow combination and free installation to save space and meet complex distribution needs . Ingress Protection: High IP ratings such as IP66, IP67, or IP68 ensure protection against dust and water, making these boxes suitable for outdoor and harsh industrial environments .

Applications

Explosion-proof surface-mounted distribution boxes are widely used in:

• Chemical and petrochemical plants
• Oil and gas refineries
• Mining operations
• Industrial facilities with flammable gases or dust
• Outdoor installations exposed to extreme temperatures and weather conditions

Manufacturers and Examples

• Atex Delvalle: Custom-made stainless steel and GRP enclosures, ATEX/IECEx certified, suitable for Zones 1, 2, 21, and 22 .
• Warom BXM (D)8050 Series: Combines Ex d and Ex e protection, modular design, color-coded indicators, high-strength die-cast enclosure .
• Inatex HRMD92: 316 stainless steel, specialized hinge structure, flexible installation, suitable for Ex d IIB+H2 environments .
• Hexlonex: Durable IECEx and ATEX certified distribution boxes for Zone 1 and Zone 2 . These features make surface-mounted explosion-proof distribution boxes a reliable choice for safe electrical distribution in hazardous areas, ensuring both operational safety and compliance with international standards.