Explosion-proof Lighting Distribution Box Model Description

Explosion-proof lighting distribution boxes are available in multiple models and series, designed for hazardous environments with varying materials, installation methods, voltage ratings, and protection levels.

Common Models and Series

• Low-voltage switchgear cabinets: GCK, GCS, MNS (withdrawable), GGD, GDH, PGL (fixed)
• Comprehensive distribution and substation boxes: XZW, ZBW
• Low-voltage distribution and construction site boxes: XL, GXL, XF (electrical control)
• Terminal lighting distribution boxes: PZ20, PZ30 series
• Electric metering boxes: PZ40, XDD(R) series
• Surface-mounted and concealed distribution boxes: PXT(R)K-X/X-X/X-X/X-IPX series, where specifications indicate rated current, short-time withstand current, inlet style, outlet circuits, and main switch type/protection level .

Materials and Construction

• Enclosure materials: 304 or 316L stainless steel, Q235 steel, aluminum alloy, flame-retardant plastics .
• Fasteners: Stainless steel exposed fasteners for durability and corrosion resistance .
• Flameproof design: Specialized hinge structures prevent damage to flameproof joints, prolonging service life .

Installation Methods

• Vertical, hanging, concealed, or exposed installations
• Surface-mounted or embedded depending on model series (e.g., PXT(R) series)
• Heat tracing bracket installation for high-power applications .

Electrical Specifications

• Voltage levels: 220V, 380V, 415V, 500V, 630V depending on model .
• Rated current and short-time withstand current: e.g., 250A/10kA, adjustable per customer requirements .
• Inlet style: Single-phase, three-phase, or mixed input
• Outlet circuits: Single-phase or three-phase, configurable (e.g., 3 single-phase circuits, 3 three-phase circuits)
• Protection levels: IP30 to IP66 depending on model and application .

Explosion-Proof Ratings and Standards

• Gas explosion protection: IIA, IIB, IIC environments
• Dust explosion protection: IIIC T80°C to T130°C
• Standards compliance: GB 3836.1-2010, GB 3836.2-2010, GB 12476.1-2013, IEC 60079 series .

Applications

• Suitable for railway, power, metallurgy, petroleum, petrochemical, chemical, iron and steel, aviation, ships, and industrial facilities .
• Can be used as feed distribution equipment, control boxes, terminal boxes, motor starting boxes, or lighting power distribution boxes .
• Designed for shock resistance, durability, energy efficiency, and environmental safety .

Summary

Explosion-proof lighting distribution boxes are highly versatile, with multiple series and models tailored for hazardous environments. Selection depends on voltage, current, installation type, material, protection rating, and specific application requirements. Models like PXT, PZ, XL, GXL, and SBOX series provide options for surface-mounted, concealed, or construction site installations, ensuring compliance with international and national explosion-proof standards .