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How much does a mobile power distribution box cost

Mobile power distribution boxes typically range from around $50 for small 20–30A units to over $16,000 for high-capacity 800A three-phase systems.Typical Price Ranges
  • Small portable units (20–50A, single-phase): $50–$400. These are compact boxes suitable for RVs, small construction sites, or temporary outdoor events, often including 1–6 outlets with GFCI protection (Home Depot, Amazon) .
  • Mid-range units (50–200A, single or three-phase): $700–$4,000. These include ruggedized temporary power boxes with multiple outlets, twist-lock or straight-blade receptacles, and sometimes built-in breakers for construction or event use (Global Industrial, Grainger, Lex Products) .
  • High-capacity or specialized units (200–800A, three-phase): $4,000–$16,000+. These are designed for industrial, film, or large-scale event applications, often with multiple circuits, feed-through capabilities, and heavy-duty enclosures (Lex Products, Larson Electronics) .
Factors Affecting Price
  1. Amperage and Phase: Higher amperage and three-phase units cost significantly more than single-phase, lower-amperage boxes.
  2. Number and Type of Outlets: More outlets, GFCI protection, and twist-lock configurations increase cost.
  3. Portability and Enclosure: Rugged, weatherproof, stackable, or wheeled enclosures add to the price.
  4. Brand and Certification: Units from Lex, Walther, or Larson with UL listing or OSHA compliance are priced higher due to safety and reliability standards.
  5. Accessories: Some boxes include meters, breakers, or feed-through capabilities, which can increase the total cost.
Examples
  • Lex 50A Pagoda Jr.: $1,779–$2,019, weather-resistant with multiple GFCI duplex outlets .
  • Grainger 50A Temporary Power Box: $769–$959, single-phase, portable, twist-lock or U-ground options .
  • Larson Electronics 25 kVA Temporary Power Distribution: $15,770–$18,571, 1-phase or 3-phase, multiple duplex outlets, heavy-duty industrial use .
  • Walther Electric 50A Single Phase PDU: $1,103–$1,270, stackable and UL-listed for job-site use .
Summary

For a complete set of mobile power distribution boxes, prices vary widely depending on capacity, phase, and features. Small portable units suitable for RVs or light construction start around $50–$400, mid-range construction/event boxes are $700–$4,000, and high-capacity industrial or film production units can exceed $16,000. Choosing the right box depends on your amperage needs, number of outlets, portability, and safety certifications.

How much does a mobile power distribution box cost

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Technical note

This reference is intended for preliminary specialty-cable research. Compatibility, link budgets, fire performance, installation methods, test limits and applicable standards must be verified for the specific project.

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