List of manufacturers of explosion-proof distribution boxes

Leading manufacturers of explosion-proof distribution boxes include Extol International, Atex Delvalle, Pepperl+Fuchs, and BARTEC, offering certified solutions for hazardous areas with customizable designs.

Extol International

Extol International supplies a wide range of control panels and distribution boards for hazardous areas, including ATEX-certified explosion-proof panels with Ex d / Ex'de flameproof protection suitable for Zone 1 (21) and Zone 2 (22) hazardous areas. Their enclosures are available in stainless steel, aluminum, and cast iron, with IP ratings from IP42 (indoor) to IP66 (outdoor), supporting both indoor and outdoor applications .

Atex Delvalle

Atex Delvalle specializes in custom-made local control stations and distribution boxes for hazardous areas. Their products are made from stainless steel AISI 304L or 316L and are ATEX and IECEx certified, suitable for Zones 1, 2, 21, and 22. They offer flexible configurations, including GRP DVT series and Terbox stainless steel terminal and junction boxes, with features like LED indicators, voltmeters, and ammeters capable of operating in extreme temperatures down to –40°C .

Pepperl+Fuchs

Pepperl+Fuchs provides Ex d (flameproof) and Ex tb (dust-protected) terminal and junction boxes for hazardous areas. Their enclosures are made from copper-free aluminum and stainless steel, offering high corrosion resistance and impact durability. Certified under ATEX, IECEx, and UL, these boxes are suitable for Zones 1, 2, 21, 22, and Class I/II Division 1 areas. They offer modular designs with various enclosure sizes, terminals, and cable gland options for tailored installations .

BARTEC

BARTEC offers a comprehensive range of explosion-proof and substance-resistant distribution systems, including low- and medium-voltage power handling solutions. Their products include EXtra® Transformer Series, Modular Motor Starters, and EXbatt® Battery Solutions, with certifications for Zone 1 hazardous areas. BARTEC emphasizes customized solutions, modular designs, and full-service support from consulting to maintenance, ensuring long-term reliability and compliance in harsh industrial environments .

Key Considerations

When selecting a manufacturer, consider:

• Certifications: ATEX, IECEx, UL, CNEX for compliance with hazardous area standards.
• Materials: Stainless steel, aluminum, or GRP for corrosion resistance and durability.
• Zone Classification: Ensure the distribution box matches the specific hazardous area (Zone 1, 2, 21, 22).
• Customization: Ability to configure internal components, control elements, and cable entries.
• Environmental Conditions: Temperature range, IP rating, and resistance to harsh conditions. These manufacturers provide reliable, certified, and customizable solutions for industrial applications in explosive atmospheres, ensuring both safety and operational efficiency.