Upgrade your facility’s electrical infrastructure with the 37.5 kVA Box Frame Power Distribution Unit—a purpose-built solution for small commercial environments, workshops, and temporary job sites requiring dependable, flexible power management.
Robust Construction & Safety
Fabricated with a rugged 16-gauge stainless steel box frame and finished with a corrosion-resistant powder coating, the 37.5 kVA unit is designed to withstand harsh environmental conditions and regular site handling. The NEMA 4X-rated enclosure keeps dust, moisture, and water ingress at bay, guaranteeing consistent performance in outdoor or industrial settings.
Advanced circuit protection ensures safe, uninterrupted operations for personnel and sensitive equipment. Each circuit is protected by GFCI breakers (15-30A), guarding against electrical faults and human error. The panel includes clear, intuitive LED status indicators for immediate feedback on operational status.
Flexible Voltage and Outlet Configurations
Engineered to meet diverse application needs, the 37.5 kVA unit supports a primary input of 480V, 3-phase, 3-wire plus ground, with outputs at 120/208V, 3-phase, 4-wire plus ground—covering both contemporary commercial and legacy system requirements. The outlet configuration features a mix of 4-6 NEMA L5-20R locking receptacles and 2-4 standard 5-20R outlets, providing capacity for multiple tool or equipment types with secure connections.
Key Features & Benefits
- 37.5 kVA Rated Capacity – Suitable for light commercial, remote monitoring stations, and site support
- Input/Output Flexibility – 480V 3-phase input; 120/208V 3-phase output
- NEMA 4X Enclosure – Corrosion-resistant, weatherproof for outdoor/industrial environments
- GFCI Protected Circuits – Enhanced operator safety
- LED Status Indicators – At-a-glance power and fault visibility
- Compact Dimensions – 24”W x 16”D x 20”H; easy to transport and install
- Lightweight Frame – 45-65 lbs for one-person handling or cart mounting
Technical Specifications
| Specification | Value | 
|---|---|
| Power Rating | 37.5 kVA | 
| Input Voltage | 480V, 3-phase, 3-wire + ground | 
| Output Voltage | 120/208V, 3-phase, 4-wire + ground | 
| Enclosure | NEMA 4X rated | 
| Frame Material | 16-gauge stainless steel | 
| Dimensions (WxDxH) | 24” x 16” x 20” | 
| Weight | 45-65 lbs | 
| Circuit Protection | GFCI breakers, 15-30A | 
| Outlets | 4-6 NEMA L5-20R + 2-4 5-20R | 
| Indicators | LED status/fault indicators | 
| Operating Temp | -40°C to +60°C | 
| Compliance | UL listed, OSHA/NEMA compliant | 
Applications
- Small commercial facilities and shops
- Temporary jobsite power for tools and lighting
- Remote site monitoring stations
- Retail kiosks and exhibition booths
- Construction site trailers
- Workshops and service bays
Why Choose WorkSite Lighting’s Box Frame PDUs?
WorkSite Lighting’s box frame power distribution units combine durability, safety, and flexibility—backed by years of industry expertise in portable power solutions. With a compact footprint, robust construction, and flexible configuration, the 37.5 kVA unit delivers trusted performance where you need it most.
Enjoy hassle-free transport, easy installation, and intuitive operation, supported by our responsive technical support and documentation. This is the power solution trusted by leading brands for reliability and peace of mind.
Take control of your site’s electrical needs—choose the WorkSite Lighting 37.5 kVA Box Frame Power Distribution Unit and experience true industrial dependability.
For configuration, availability, or custom options, Contact Worksite Lighting Today to discuss your project requirements.
 
 




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