1000 Amp Service Entrance Switchgear NEMA 1/3R
- 1000A service entrance, multi-voltage options
- NEMA 1 indoor or NEMA 3R outdoor enclosure
- UL 891 Certified with Siemens components
UL 891 Certified
Siemens Approved OEM
EUSERC Approved
DEI Power's 120/240V 1-Phase 3-Wire Electrical Panels include panelboards, switchboards, switchgear, service entrance sections, meter mains, and remote power panels rated from 400A to 4000A. Built with genuine Siemens components, UL 891 certified, and EUSERC approved, these assemblies serve commercial, industrial, and utility power distribution applications.
Talk to our product experts for custom solutions.
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120/240V is a single-phase system, not 3-phase. It is the standard residential and light commercial service in North America. It uses a center-tapped transformer providing two 120V legs and one 240V circuit. It is commonly referred to as split-phase or 1-Phase 3-Wire, as it has two hot conductors and one neutral.
Talk to our experts for custom solutions and tailored guidance.
Powers service entrance, branch distribution, and load centers in offices, retail, and mixed-use facilities.
Provides heavy-duty load control and reliable power distribution for factories, processing plants, and production facilities.
Supports substation service entrance and critical power delivery for utility infrastructure and grid interconnection projects.
Ensures reliable branch circuit distribution and uptime-critical power delivery for data centers and healthcare facilities.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, DEI Power builds every panel with genuine Siemens components, ensuring code-compliant performance and long-term system reliability.
Operating from a 50,000 sq. ft. facility in Ontario, CA, DEI Power ships most orders within 1 business day, reducing schedule risk on time-sensitive projects.
Every assembly is UL 891 certified and manufactured domestically in compliance with BABA requirements, giving contractors and engineers confidence in quality and compliance.
Submit your project specs and a DEI Power specialist will respond with pricing, configuration guidance, and delivery details promptly.
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.
