Common explosion-proof all-plastic distribution box models include PZ20, PZ30, PZ40, XDD(R), and PXT(R) series, designed for hazardous areas with ATEX and IECEx certifications.

Key Models and Series

• PZ20 and PZ30 Series: Terminal lighting distribution boxes suitable for surface-mounted or concealed installations, often used in industrial and chemical plants .
• PZ40 and XDD(R) Series: Electric metering boxes designed for hazardous zones, providing protection for electrical measurement and control equipment .
• PXT(R) Series: Surface-mounted or concealed distribution boxes with flexible wiring methods, rated currents, and inlet/outlet configurations. Variants include PXT(R)K-X/X-X/X-X/X-IPX, where “R” indicates concealed installation and “K” specifies wiring type .

Features and Applications

• Material: Flame-retardant plastic, resistant to corrosion and suitable for highly corrosive environments .
• Certifications: ATEX and IECEx certified for Zone 1 and Zone 2 hazardous areas .
• Installation Types: Vertical, hanging, concealed, or exposed mounting options .
• Voltage Ratings: Typically available in 220V and 380V configurations .
• Use Cases: Chemical and petrochemical plants, offshore platforms, refineries, and other areas with potentially explosive atmospheres .

Additional Notes

Some manufacturers, such as Hexlon and Supermec, offer customizable all-plastic explosion-proof enclosures to meet specific client requirements, including power distribution, monitoring, and control applications . R. STAHL also provides standard and bespoke terminal boxes for hazardous areas worldwide . These models ensure safe energy distribution and control in environments where flammable gases or combustible dust are present, combining durability, corrosion resistance, and compliance with international safety standards.