We specialize in precision UL 891 switchgear manufacturing backed by certified quality and the fastest lead times. From advanced low voltage systems to fully custom assemblies, our engineered power solutions streamline installation, minimize downtime, and deliver long-term performance for commercial, industrial, and utility applications.
Built to national safety standards
Fastest lead times guaranteed
Made to meet standard codes
From advanced low voltage systems to fully custom assemblies, our engineered power solutions streamline installation, minimize downtime, and deliver long-term performance for commercial, industrial, and utility applications.
Built to national safety standards
Fastest lead times guaranteed
Made to meet standard codes
We specialize in precision UL 891 switchgear manufacturing backed by certified quality and rapid lead times. From advanced low voltage systems to fully custom assemblies, our engineered power solutions streamline installation, minimize downtime, and deliver long-term performance for commercial, industrial, and utility applications.
Every switchboard and panelboard we manufacture is rigorously tested and certified under UL 891 standards. This certification ensures compliance with top electrical safety and performance benchmarks—delivering durable, code-compliant assemblies engineered for demanding commercial and industrial applications.
Verified safety & compliance
UL 891 certification confirms every assembly undergoes mechanical, thermal, and electrical testing. From short-circuit withstand to insulation resistance, each panel is validated for safe, consistent performance under real-world operating conditions while meeting NEC and ANSI requirements.
Confidence in every installation
Partnering with a UL 891-certified manufacturer ensures your electrical systems meet recognized safety standards. Each component is inspected, tested, and verified—helping contractors, engineers, and facility managers achieve dependable operation across commercial, industrial, and utility environments.
Our UL 891 certified switchgear combines advanced engineering and proven durability for superior operational control. Each system is precision-built to reduce maintenance, enhance uptime, and improve energy flow—ensuring safe, dependable operation for critical electrical systems.
Built for Arizona’s high temperatures and tough operating conditions.
Stable voltage regulation ensures uptime across variable loads.
High-quality construction extends life while minimizing maintenance costs.
Streamlined breaker arrangements and wiring for faster, cleaner installations.
Every panel undergoes comprehensive testing—mechanical, electrical, and thermal—to ensure full compliance with UL 891, NEC, and ANSI standards. Our clients rely on rigorously inspected, UL-certified switchgear assemblies designed to maintain reliable performance through years of demanding service.
Compliance and safety you can rely on
Custom panelboards are engineered to meet strict UL and NEC standards, providing compliance and safety you can rely on while ensuring dependable performance across commercial, industrial, and utility applications.
Efficiency for demanding industries
Our custom panelboard manufacturing delivers efficiency for demanding industries by streamlining installation, minimizing downtime, and ensuring reliable power distribution—helping businesses maintain continuous operation under the most challenging conditions.
Designed for quick installation and seamless integration, each assembly provides stable, code-compliant power control for industrial plants, energy producers, and large commercial environments that demand consistent, high-performance electrical distribution.
High-performance low voltage switchgear built for uptime & scalability
Efficient systems keeping production lines powered without downtime
Scalable power systems driving logistics, operations, and customer service
Custom low voltage switchgear enhancing safety & efficiency
Designed for quick installation and seamless integration, each assembly provides stable, code-compliant power control for industrial plants, energy producers, and large commercial environments that demand consistent, high-performance electrical distribution.
Get the performance and reliability your operation demands. Our UL 891 certified, low voltage switchgear is built with precision, delivered on time, and ready for installation—keeping your project schedules on track and your electrical systems running safely and efficiently.
Fastest lead times guaranteed
By manufacturing in the United States, we shorten delivery times and reduce logistics delays. Our streamlined process ensures that our switchgear projects move forward without disruption, with UL 891 certified low voltage switchgear arriving on time and ready for installation.
We ship across the U.S., Canada, and Mexico. Whether you’re in a metro area or remote location, our network ensures your heavy or high-value equipment moves quickly—without delays, customs issues, or added stress.
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
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
What Is a Custom Panelboard—and Do You Need One?
5 Signs Your Facility Needs a Panelboard Upgrade
