UL 891 Certified certified

UL 891 Certified

EUSERC Approved certified

EUSERC Approved

Approved Siemens OEM certified

Approved Siemens OEM

600 Amp 3 Phase Service Entrance CT Cabinets

DEI Power's 600 Amp 3 Phase Service Entrance CT Cabinets include Meter Mains, Service Entrance Switchgear, and SES units. UL 891 certified and EUSERC approved, these assemblies are built with genuine Siemens components for reliable power distribution in commercial, industrial, and utility applications across the USA.

Service Entrance Switchgear NEMA 1/3R
Meter Main NEMA 1/3R
SES (Service Entrance Section)

Our Range of Products

Service Entrance Switchgear NEMA 1/3R

Service Entrance Switchgear NEMA 1/3R

  • Genuine Siemens components for reliability
  • 400A–4000A with 7 voltage configurations
  • EUSERC & UL 891 seismic-zone compliant
Meter Main NEMA 1/3R

Meter Main NEMA 1/3R

  • NEMA 1 & 3R indoor/outdoor enclosures
  • 400A–4000A amperage range available
  • UL Listed & EUSERC Approved assembly
SES (Service Entrance Section)

SES (Service Entrance Section)

  • UL 891 & EUSERC Approved for all zones
  • NEMA 1/3R rated, 400A–4000A options
  • Siemens OEM with long-term serviceability

Frequently Asked Questions

What size CT cabinet for 600 amp service?

For a 600 amp service, you need a CT cabinet rated at 600A. DEI Power's service entrance CT cabinets are available in 600A configurations across Meter Main, Service Entrance Switchgear, and SES product lines. Enclosures measure 14" D × 30" W × 90" H and are available in NEMA 1 (indoor) or NEMA 3R (outdoor) ratings to suit your installation environment.

Can a house have a 600 amp service?

Are DEI Power's 600A CT cabinets UL listed?

What voltage options are available for 600A 3-phase CT cabinets?

What is the difference between a Meter Main, SES, and Service Entrance Switchgear?

Do these CT cabinets need to be built to utility specifications?

What NEMA ratings are available, and what is the lead time?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Commercial Buildings

Commercial Buildings

Provides safe, code-compliant 600A service entrance power distribution for offices, retail centers, and campuses.

Industrial & Manufacturing

Industrial & Manufacturing

Delivers reliable high-capacity power control for manufacturing plants, processing facilities, and production environments.

Utility & Infrastructure

Utility & Infrastructure

Supports utility substations and critical infrastructure with EUSERC-approved, seismic-compliant switchgear assemblies.

Data Centers & Healthcare Facilities

Data Centers & Healthcare Facilities

Ensures uninterrupted power and critical system protection for data centers, colocation facilities, and healthcare campuses.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Contractors & Engineers Choose DEI Power

In-House Manufacturing & Fast Lead Times

Our 50,000 sq. ft. Ontario, CA facility enables in-house builds, faster turnarounds, and free 3–5 business day shipping on all orders.

UL 891 Certified & EUSERC Approved

Every CT cabinet is UL 891 certified, EUSERC approved, and meets UBC, CBC, and IBC seismic requirements for code-compliant installations.

Genuine Siemens Components & OEM Expertise

As an approved Siemens OEM with 10+ years of experience, we deliver precision-engineered switchgear built for long-term reliability and serviceability.

Get a Quote for Your 600A CT Cabinet Project

Submit your project details and a DEI Power specialist will respond with configuration guidance and pricing within one business day.

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.