Construction site power distribution boxes come in a wide range of models, including mobile and fixed units, with current ratings from 16 A to 63 A, multiple outlet configurations, and IP protection from IP54 to IP69.

Key Manufacturers and Series

1. BOSECKER
   • Compliant with IEC 61439 and IEC 60364 standards.
   • Robust sheet steel housing and thermoplastic DOMINO series.
   • Pre-wired and customizable for specific site requirements.
   • IP65 to IP67 protection, IK08 to IK10 impact resistance.
   • Suitable for single-phase and three-phase consumers on building sites .
2. Modipro Solutions
   • Mobile and fixed distribution boxes for construction sites and workshops.
   • Current capacities: 16 A to 63 A.
   • Multiple 230 V and 400 V outlets with individual circuit breakers and RCD protection.
   • Designed for heavy tools, machines, and lighting.
   • Ensures fault isolation and compliance with safety standards .
3. Wieland Electric (WIV Distribution Boxes)
   • Mobile solutions for temporary installations, exhibitions, and events.
   • Connector systems: gesis® MINI, gesis® CLASSIC, RST® CLASSIC for higher IP ratings.
   • IP protection: IP54 to IP69.
   • Features pluggable components for quick assembly and extension.
   • Harmonized residual current and miniature circuit breakers, master switches included .
4. Generator-Compatible Boxes
   • High-capacity units with twist-lock inlets and multiple GFCI-protected outlets.
   • Examples: Southwire X-treme Box (50A, 125/250V, supports up to 12,000 W).
   • Built-in overload, ground-fault, and over-voltage protection.
   • Heavy-duty, corrosion-resistant enclosures suitable for outdoor and temporary power .
5. Ericson Manufacturing
   • Jobsite power protection and distribution units.
   • Offers a range of portable and fixed units for construction and industrial sites.
   • Includes models with multiple circuit breakers, GFCI protection, and rugged enclosures .

Features to Consider

• Current Rating: 16 A, 32 A, 63 A, or higher for heavy machinery.
• Voltage: Single-phase 230 V or three-phase 400 V.
• Outlets: Standard 230 V, twist-lock, or Schuko; number of outlets varies by model.
• Protection: IP54–IP69 for dust and water resistance; IK08–IK10 for impact resistance.
• Mobility: Stackable, portable, or fixed installation options.
• Safety: Individual circuit breakers, RCD protection, and compliance with IEC and NEC standards.
• Customization: Some manufacturers offer configurable boxes for specific site requirements. These models cover a broad spectrum of construction site needs, from small mobile units for light tools to high-capacity, generator-compatible boxes for heavy-duty applications. Choosing the right model depends on current demand, number of circuits, environmental exposure, and mobility requirements.