When you need dependable medium-capacity power distribution in outdoor or partially sheltered conditions, DEI Power Solutions delivers. Our 800 AMP NEMA 3R switchgear is engineered for consistent performance in exposed environments, carrying UL 891 certification and offering full customization to meet your project’s exact needs.
When you need dependable medium-capacity power distribution in outdoor or partially sheltered conditions, DEI Power Solutions delivers.
With reliable performance and precision engineering, we ensure your electrical systems are supported with the exact power capacity you need. We offer complete switchgear solutions — 600A, 800A, 1200A, 1600A, 2000A, 2500A, 3000A, and 4000A.
NEMA 3R enclosures are specifically built to guard electrical components against rain, sleet, and snow, making them the standard choice for outdoor installations. We combine this level of environmental protection with the capabilities of an 800 AMP system, giving you a reliable solution for critical power applications.
NEMA 3R enclosures are best suited for:
Utility yards and substations
Exterior plant distribution points
Rooftop or pad-mounted installations
Outdoor event or temporary power
Every 800 AMP NEMA 3R switchgear we produce is built to match the site’s specifications. From breaker setup and voltage rating to enclosure layout, we ensure a smooth fit into your existing power system while meeting all UL 891, NEC, and CSA compliance requirements.
Tough design for challenging conditions
Designed for continuous operation, our systems handle medium-scale industrial and commercial electrical loads with ease. The NEMA 3R-rated housing provides protection against rain, airborne debris, and corrosion, ensuring uninterrupted service even in challenging outdoor locations.
Custom-built for exact site compatibility
We manufacture each unit to your exact site dimensions, minimizing installation adjustments and preventing costly field changes. Using CAD modeling, custom busbar fabrication, and precision CNC machining, we deliver consistent quality and performance that’s compliant from the start.
Our 800 AMP NEMA 3R systems are optimized for steady performance, extended lifespan, and simplified upkeep — keeping your facility powered and downtime to a minimum.
What sets our systems apart:
Every enclosure and busbar is manufactured to exact specifications for fit and function.
NEMA 3R construction shields internal components from water, ice, and debris.
Designed for easy inspection and servicing to reduce operating costs.
UL 891, NEC, and CSA standards are integrated into every design.
We don’t just assemble components — we engineer every system from the ground up for performance, safety, and longevity. With full in-house manufacturing, we control every stage of production, ensuring you get precisely the gear you ordered, on time, and built for decades of service.
“When your switchgear is mission-critical, you can’t afford to compromise. We build it right the first time.”
Founder & CEO
Our 800 AMP NEMA 3R switchgear is purpose-built for industries where uptime, safety, and environmental protection are non-negotiable. Each system is engineered for the unique demands of its application, delivering reliable outdoor-rated performance and full code compliance across a wide range of sectors.
Your power infrastructure needs to work flawlessly, even when exposed to the elements. Our 800 AMP NEMA 3R switchgear is built for lasting outdoor performance, quick installation, and complete compliance. Whether you require one enclosure or multiple units, DEI delivers without compromise.
Emergency and overnight shipping
When time is critical, we deliver. Our emergency and overnight freight services get your equipment where it’s needed—fast. We handle every detail, from rapid dispatch to delivery, with speed, precision, and reliability you can count on.
North America, Mexico & Canada
Whether you’re looking for backup power systems, industrial energy storage, or sustainable energy consulting, we’re ready to support your project needs. Be as specific as possible so we can connect you with the right expert.
+1 (866) 773-8050
1745 S. Bon View Ave Ontario CA 91761
sales@deipower.com
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Office Location
1745 S. Bon View Ave
Ontario CA 91761
Contact Info
Phone: +1 (866) 645-1281
Email: sales@deipower.com
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