UL 891-certified 400 amp switchgear with configurable protection, metering, and monitoring. Designed for high-capacity distribution and compliant with NEC and NEMA standards for indoor and outdoor applications.
UL 891-certified 400 amp switchgear with configurable protection, metering, and monitoring. Designed for high-capacity distribution and compliant with NEC and NEMA standards for indoor and outdoor applications.
Designed for projects where reliability and timelines matter, switchgear is available in NEMA 1 or NEMA 3R enclosures, with flexible copper or aluminum bus configurations to meet application requirements.
UL 891 certified switchgear assemblies built to meet stringent utility and industry compliance requirements.
Designed to meet all EUSERC standards for utility service applications and infrastructure integration.
In-stock switchgear ready for deployment with no extended manufacturing or procurement delays.
Trusted across 90+ U.S. power utility companies for reliable service entrance and distribution applications.
Designed for projects where reliability and timelines matter, switchgear is available in NEMA 1 or NEMA 3R enclosures, with flexible copper or aluminum bus configurations to meet application requirements.
The 400 amp switchgear is engineered for high-capacity, low-voltage power distribution across commercial, industrial, and data center environments. Built with UL-listed assemblies and Siemens components, each system is designed for reliable performance, flexible installation, and long-term operation in demanding applications.
Configured for 400 amp, 3-phase, 4-wire applications with support for common service voltages including 120/240V, 208Y/120V, and 480Y/277V. Short-circuit ratings can be engineered to meet project requirements based on available fault current and system specifications.
Assemblies are UL listed and EUSERC compliant, meeting UBC, CBC, and IBC seismic requirements for all zones. Switchgear is available in NEMA 1 (indoor) and NEMA 3R (outdoor) enclosures, providing flexibility for a wide range of installation environments. Each system is built using genuine Siemens components for long-term reliability.
Built around a robust main breaker configuration, our switchgear supports molded case and power circuit breaker options based on application requirements. A service-friendly layout improves accessibility for installation and maintenance, helping reduce downtime and support continuous operation in critical power systems.
The 400 amp switchgear is engineered for high-capacity, low-voltage power distribution across commercial, industrial, and data center environments. Built with UL-listed assemblies and Siemens components, each system is designed for reliable performance, flexible installation, and long-term operation in demanding applications.
Configured for 400 amp, 3-phase, 4-wire applications with support for common service voltages including 120/240V, 208Y/120V, and 480Y/277V. Short-circuit ratings can be engineered to meet project requirements based on available fault current and system specifications.
Assemblies are UL listed and EUSERC compliant, meeting UBC, CBC, and IBC seismic requirements for all zones. Switchgear is available in NEMA 1 (indoor) and NEMA 3R (outdoor) enclosures, providing flexibility for a wide range of installation environments. Each system is built using genuine Siemens components for long-term reliability.
Built around a robust main breaker configuration, our switchgear supports molded case and power circuit breaker options based on application requirements. A service-friendly layout improves accessibility for installation and maintenance, helping reduce downtime and support continuous operation in critical power systems.
Integrated airflow design helps dissipate heat, protect internal components, and maintain reliable performance under continuous electrical load.
Heavy-duty enclosure design built to withstand demanding environments while protecting internal components.
Configured with the right breaker technology to support protection, coordination, and system performance.
Every lineup is configured with the appropriate circuit breaker technology to support system protection, coordination, and long-term performance. Breaker selection is based on your application, available fault current, and operational requirements.
Available options:
Integrated monitoring provides real-time visibility to track loads, identify issues, and maintain system reliability.
Integrated monitoring systems provide real-time visibility into electrical performance to support reliability, load management, and operational awareness. Monitoring capabilities are configured based on your application, system requirements, and visibility needs.
Monitoring capabilities:
Integrated airflow design helps dissipate heat, protect internal components, and maintain reliable performance under continuous electrical load.
Heavy-duty enclosure design built to withstand demanding environments while protecting internal components.
Projects get pushed back because switchgear are unavailable, incorrectly specified, or delayed during procurement. Our team is built to support time-sensitive schedules with a smooth quoting process, reliable communication, and practical guidance, backed by consistent 4 to 6 week lead times that help keep your project moving forward.
Get quick answers from a real team that understands switchgear requirements, not a generic sales desk.
We’ll confirm key details like voltage, main breaker type, metering, feeder sections, and fault rating, so your lineup matches your scope.
Properly engineered service entrance switchgear should align with UL standards, NEC requirements, and common utility specifications, helping you avoid surprises during review and inspection.
Switchgear supports commercial and industrial facilities where reliable power control is essential. Configurations are available for indoor and outdoor use, designed to handle varying loads and operating conditions.
Switchgear for reliable power in high-uptime and critical environments
Switchgear built for heavy loads and durability
Scalable switchgear for flexible power distribution layouts
Code-compliant switchgear for safe power distribution
Switchgear supports commercial and industrial facilities where reliable power control is essential. Configurations are available for indoor and outdoor use, designed to handle varying loads and operating conditions.
UL 891 certification verifies switchgear is rigorously tested for safety, structural strength, and performance, ensuring reliable operation in demanding electrical environments.
Reduces arc flash risk and supports safe system operation across applications.
Confirms the assembly safely contains and manages arc fault events.
Verifies safe busbar operation and consistent current-carrying capacity.
Maintains structural strength under load and during fault conditions.
Ensures insulation integrity and performance during fault conditions.
Supports effective fault current dissipation and grounding continuity.
Our 400 amp switchgear is in stock and ready to ship, built for reliable performance across commercial, industrial, and backup power applications. Keep your project moving with equipment designed for immediate deployment and long-term operation.
Emergency and overnight shipping
We deliver California-manufactured switchgear with the quickest turnaround times in the industry. By keeping production local, we eliminate delays and ensure faster delivery statewide. Our streamlined process guarantees UL 891 certified low voltage switchgear arrives on schedule, ready for installation.
Tell us about your backup power, energy storage, or consulting needs and we’ll connect you with the right expert.
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1745 S. Bon View Ave
Ontario CA 91761
Contact Info
Phone: +1 (866) 645-1281
Email: sales@deipower.com
