
240V Switchgear NEMA 1/3R
- 240V switchgear with genuine Siemens parts
- NEMA 1 & 3R enclosures for any environment
- UL Listed & seismic zone compliant build
UL 891 Certified
EUSERC Approved
Siemens Approved OEM
DEI Power's IoT-enabled low voltage switchboards and switchgear provide reliable, code-compliant power distribution for commercial, industrial, utility, and data center applications. Built with genuine Siemens components, UL 891 certified, and available in NEMA 1 and NEMA 3R enclosures, these assemblies support smart, connected infrastructure from 400A to 4000A.































































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An IoT circuit breaker is a smart, network-connected overcurrent protection device that allows remote monitoring, real-time data collection, and automated control via internet-connected platforms. It can report load status, trip events, and energy consumption data to building management or SCADA systems, enabling predictive maintenance and faster fault response compared to conventional breakers.
Talk to our experts for custom solutions and tailored guidance.

Reliable low voltage switchboards power main distribution, tenant load centers, and service entrances in commercial campuses.

Heavy-duty switchgear controls large electrical loads and protects critical production systems in manufacturing operations.

EUSERC-approved service entrance switchgear meets utility specifications for substations and infrastructure power delivery.

High-capacity switchgear from 800A to 4000A supports redundant power distribution in data centers and colocation facilities.
Talk to our experts for custom solutions and tailored guidance.
Every switchboard and switchgear assembly is built as an approved Siemens OEM with UL 891 certification, ensuring code compliance and long-term reliability in the field.
DEI Power's 50,000 sq. ft. facility in Ontario, CA enables in-house switchgear manufacturing for faster builds, fewer delays, and free shipping delivered in 3–5 business days.
From configuration guidance and spec documentation to post-installation assistance, DEI Power's team provides end-to-end project support to keep your schedule on track.
Submit your project details and a DEI Power specialist will respond with configuration guidance, pricing, and lead time information.
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.
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.