Canadian Switchgear Manufacturers — Custom Switchboards

DEI Power delivers custom switchboards engineered for commercial, industrial, and mission-critical facilities that need dependable, code-compliant power distribution. From specification review and in-house engineering to UL 891-certified manufacturing and fast fulfillment, we help contractors, engineers, and facility teams reduce delays, avoid costly field changes, and keep complex electrical projects moving with confidence.

Custom switchboard lineup in electrical manufacturing facility

Our Custom Switchboards Services

Custom-engineered switchboard solutions for specification-driven power distribution, fast fulfillment, and compliant installation across demanding commercial and industrial applications.

Switchgear Supply

Specification-driven switchgear supply with rating guidance, enclosure selection, submittals, and compliance documentation to reduce change orders, field adjustments, and schedule risk on critical power projects.

Design Engineering

In-house design and engineering services develop production-ready layouts, schematics, and coordinated equipment selections that support code compliance, installation efficiency, and long-term serviceability.

Service Entrance

Heavy-duty service entrance switchgear from 400A to 4000A, built with Siemens components and UL-listed assemblies for dependable protection in commercial, industrial, and utility applications.

Low Voltage Gear

PowerForge low-voltage switchgear supports scalable distribution, safe integration, and easier maintenance for facilities requiring reliable performance and streamlined submittal approval.

Medium Voltage Gear

PowerMaxx switchgear is designed for higher-capacity systems that need coordinated protection, stable load management, and durable construction across complex electrical infrastructure.

Engineering Support

Application-focused engineering support helps configure custom layouts, ratings, and system integration details so equipment aligns with project requirements and existing infrastructure.

Custom Engineered Solutions

Built for Reliable Power Distribution

Custom switchboards from DEI Power are built to match project specifications, voltage requirements, enclosure needs, and installation conditions without sacrificing speed or compliance. Backed by in-house engineering, UL 891-certified manufacturing, and Siemens OEM approval, each solution is designed to simplify procurement, support submittal approval, and deliver dependable long-term performance for commercial, industrial, utility, and mission-critical facilities.

Engineered custom switchboard with detailed electrical components
Trusted Project Support

Success Stories

See how dependable engineering, compliance, and fulfillment help power projects stay on track.

"Working with DEI Power has been a game-changer for our operations. Their custom panelboards are expertly built, and the in-house bus bar manufacturing…"

Scott L.
The DEI Power Difference

Why Choose DEI Power?

We combine manufacturing control, engineering expertise, and compliance-focused support for complex power distribution projects.

Certified Quality

UL 891-certified switchboards built for dependable performance, safety, and code-compliant installation.

Siemens OEM

Approved Siemens OEM status supports trusted components, accurate configurations, and reliable electrical performance.

Fast Fulfillment

A 50,000 sq. ft. Ontario facility supports rapid builds, stocked supply, and fewer schedule delays.

Custom Support

In-house engineering helps contractors and engineers align layouts, ratings, and documentation before fabrication.

Meet The DEI Power Team

Experienced specialists supporting complex power distribution projects.

DEI Power has spent more than 10 years building reliable switchgear and custom switchboards for commercial, industrial, and utility applications. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines in-house manufacturing, engineering support, and responsive fulfillment to help customers keep demanding projects on schedule. Their team works closely with contractors, engineers, procurement groups, and facility teams to refine specifications, prepare submittals, and deliver equipment built for real-world installation conditions. As an approved Siemens OEM producing UL 891-certified switchboards, DEI Power focuses on precision, compliance, and long-term reliability. The company’s vision is simple: make complex power distribution sourcing easier, faster, and more dependable for customers who cannot afford downtime or avoidable delays.

10+ YearsBuilding reliable switchgear solutions
50,000 Sq. Ft.Manufacturing and fulfillment facility
Nationwide ServiceSupporting projects across the U.S.

Frequently Asked Questions

What custom switchboards does DEI Power manufacture?

DEI Power manufactures custom switchboards and related switchgear solutions for commercial, industrial, utility, and mission-critical applications. Capabilities include low-voltage switchgear, service entrance switchgear from 400A to 4000A, engineered configurations, and specification-based assemblies built around project voltage, enclosure, layout, and compliance requirements. Each system is supported with documentation, submittals, and engineering coordination to improve installation readiness.

Are DEI Power switchboards UL certified?

Can you build switchboards to project specifications?

What industries use custom switchboards?

How quickly can switchgear orders ship?

Do you provide engineering support before ordering?

What enclosure and amperage options are available?

Do you support nationwide projects and shipping?

Still Have Questions About Switchboards?

Talk with our team about specs, lead times, and compliance.

Areas We Serve

DEI Power supports contractors, engineers, and facility teams with nationwide switchboard manufacturing and project coordination.

Nationwide

Service Area

24/7 Phone Availability

Support Access

Ontario, CA

Fulfillment Hub

Need Service for Your Project Area?

Confirm shipping, support, and project coverage with our team.

Certified & Trusted

Awards and Recognition

UL 891 certification badge

UL 891 Certified

Verified low-voltage switchgear compliance standard.

Siemens OEM approval badge

Siemens OEM

Approved manufacturer using Siemens components.

Buy America compliant manufacturing badge

BABA Compliant

Supports domestic sourcing project requirements.

Request Your Custom Switchboard Quote

Share your project requirements, ratings, and timeline, and our team will help you identify the right compliant solution.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.