Specifications and Models of Explosion-proof Iron Distribution Boxes

Explosion-proof iron distribution boxes are designed for hazardous environments, available in multiple models with varying materials, installation methods, voltage ratings, and safety certifications.

Key Models and Series

Explosion-proof distribution boxes come in a variety of models tailored for different industrial applications:

• Low-voltage withdrawable switchgear cabinets: GCK, GCS, MNS series, suitable for motor control, lighting, and small power plants .
• Low-voltage fixed switchgear cabinets: GGD, GDH, PGL series, commonly used in substations, power plants, and industrial facilities requiring stable power supply .
• Comprehensive distribution boxes: XZW series, designed for integrated power distribution .
• Box-type substations: ZBW series, for compact substation applications .
• Construction and site distribution boxes: XL, GXL, XF series, for temporary or site-specific installations .
• Terminal and 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, with customizable rated current, inlet style, outlet circuits, and protection levels .
• Specialized explosion-proof boxes: BXM(D) series for explosive gas environments, BHD series for explosive dust, and BXP series for mixed gas and dust environments .
• HRMD96 series: Flameproof enclosures made of 304/316L stainless steel or Q235, with modular installation and specialized hinge structures for durability .
• BM(D)X series: Modular enclosures with flame-proof and increased safety cavities, equipped with circuit breakers, terminals, and optional cable entry devices .

Materials and Construction

• Iron or steel enclosures: Q235 steel, 304 or 316L stainless steel for corrosion resistance .
• Flame-retardant plastics: Used in some models for lightweight and non-conductive applications .
• Flameproof cavities and increased safety cavities: Ensure containment of sparks and prevent ignition of surrounding hazardous atmospheres .

Installation Methods

• Vertical or hanging installation
• Concealed or exposed installation
• Modular combination: Boxes can be combined to save space and meet complex distribution requirements .

Electrical Specifications

• Voltage ratings: Commonly 220V, 380V, or up to 660V depending on model .
• Rated current and short-time withstand current: Customizable, e.g., 250A/10kA .
• Inlet and outlet configurations: Single-phase, three-phase, or mixed input; single-phase or three-phase circuits .
• Protection levels: IP30 or higher, depending on model and application .

Safety Certifications

• IECEx and ATEX certified for Zone 1 and Zone 2 hazardous areas .
• Explosion-proof ratings: Ex db IIC T6…T41 Gb, Ex tb IIIC T80°C…T130°C, suitable for gas and dust environments .
• Optional features: Padlocks, stop plugs for cable entry, rain shades, and customized requirements for specific industrial needs .

Applications

Explosion-proof iron distribution boxes are widely used in:

• Petrochemical plants, oil platforms, and chemical industries
• Coal, smelting, and mining operations
• High-risk industrial environments requiring dual explosion-proof protection
• Construction sites and temporary power distribution setups These boxes ensure safe and reliable power distribution in hazardous environments while complying with international safety standards.