For large-scale electrical systems that demand uninterrupted performance in challenging environments, DEI Power Solutions offers fully engineered 3000 AMP NEMA 3R switchgear. Designed for outdoor and partially sheltered applications, these systems combine high-current capacity with proven weather protection, delivering UL 891-certified reliability.
Our 1600 AMP NEMA 3R switchgear is engineered for high-capacity performance in outdoor and harsh environments, with UL 891 certification and fully customizable design.
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 provide a tested defense against rain, sleet, and snow, making them the standard for outdoor switchgear installations. When paired with the load-handling ability of a 3000 AMP system, you get the ideal solution for high-demand electrical infrastructure.
Common applications include:
Utility substations and distribution yards
Outdoor industrial plant feeders
Rooftop or pad-mounted power distribution
Temporary or event-based high-load power systems
Each 3000 AMP NEMA 3R switchgear system we produce is configured for your site-specific requirements. From breaker configuration and voltage to physical layout, every detail is engineered for smooth integration with your power network while meeting UL 891, NEC, and CSA compliance standards.
Built for demanding environments
Our heavy-duty systems are designed to manage large industrial and commercial electrical loads without compromise. NEMA 3R-rated construction safeguards against moisture, debris, and corrosion, ensuring dependable operation even in exposed or challenging outdoor settings.
Precision fit and seamless integration
Our process ensures that every switchgear unit aligns with your installation parameters, reducing field modifications and installation delays. Through CAD modeling, custom busbar fabrication, and precision CNC machining, we deliver consistent quality and fully code-compliant performance from day one.
Built for continuous high-capacity operation in challenging settings, our 3000 AMP NEMA 3R systems are optimized for electrical performance, long service life, and straightforward maintenance — helping you avoid costly downtime year after year.
Fabricated to exacting specifications for perfect fit and function.
NEMA 3R design protects from rain, ice, and airborne debris.
Meets UL 891, NEC, and CSA requirements in every build.
Easy access and layout reduce service and inspection time.
Flexible configurations allow for future expansion and system upgrades.
Engineered for efficient heat dissipation under maximum load.
Every detail of our 3000 AMP NEMA 3R switchgear is chosen for durability, safety, and site-specific adaptability. Whether it’s destined for a remote substation or an industrial facility, you get the ideal combination of capacity, compliance, and environmental protection.
Key technical features:
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 3000 AMP NEMA 3R switchgear is engineered for industries where uptime, safety, and environmental durability are critical. Each system is purpose-built to deliver reliable outdoor performance and full compliance for a wide variety of applications.
Your infrastructure deserves switchgear built for the realities of outdoor installation. Our 3000 AMP NEMA 3R systems are designed for long-term performance, fast setup, and total code compliance. Whether you need one enclosure or a multi-unit system, we deliver without compromising quality.
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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