Images are for reference only

We’re committed to keeping your switchgear reliable and compliant. Need new equipment, a retrofit, or technical support? We deliver switchgear solutions you can trust.

480Y/277V Switchboard NEMA 1/3R

UL Certified

Dedicated Project Support

Long-Term Serviceability

Description

480Y/277V switchboard NEMA 1/3R is engineered for heavy-duty power distribution in high-demand commercial and industrial environments. Built around a robust main breaker configuration, it delivers safe, efficient control and protection for large electrical loads and critical systems. Available in NEMA 1 (indoor) or NEMA 3R (outdoor weather-resistant) enclosures, this switchboard supports flexible installation across a wide range of applications.

Each unit is fully UL listed and assembled using genuine Siemens components, ensuring code compliance, trusted performance, and long-term reliability. With durable construction and a service-friendly layout, this 480Y/277V switchboard is designed to minimize downtime and support continuous operation in facilities where dependable power is essential.

General Specifications

Product Name: Power Maxx-PMX-PMX-R

UPC: 0000200013

Dimensions: 14″ D × 30″ W × 90″ H

Weight: 300lb

Warranty: 1 year

Compliances: EUSERC Approved, Meets UBC, CBC, and IBC requirements for all seismic zones

Certifications: UL Listed

Key Features

480Y/277V main breaker switchboard designed for large-load power distribution
Available in NEMA 1 (indoor) or NEMA 3R (outdoor weather-resistant) enclosures
UL listed assembly supports compliance in commercial and industrial installations
Built with genuine Siemens components for trusted reliability
Heavy-duty construction designed for long service life in demanding environments
Service-friendly layout supports easier maintenance and reduced downtime
Ideal for industrial facilities, large commercial buildings, and utility applications

Robust design for efficient, reliable power distribution

Shipping & Delivery

Your switchgear ships fast and arrives directly at your job site within 3–5 business days. We offer free shipping across the United States, Canada, and New Mexico, making it easy to keep your project on schedule without added freight costs.

Free rapid delivery is available throughout the continental United States. Hawaii, Puerto Rico, and Guam are not included in the 3–5 business day delivery window.

480Y/277V Switchboard NEMA 1/3R

UL Certified

Reliable Delivery

Images are for reference only

We’re committed to keeping your switchgear reliable and compliant. Need new equipment, a retrofit, or technical support? We deliver switchgear solutions you can trust.

Description

General Specifications

Product Name: Power Maxx-PMX-PMX-R

UPC: 0000200013

Dimensions: 14″ D × 30″ W × 90″ H

Weight: 300lb

Warranty: 1 year

Compliances: EUSERC Approved, Meets UBC, CBC, and IBC requirements for all seismic zones

Certifications: UL Listed

Key Features

480Y/277V main breaker switchboard designed for large-load power distribution
Available in NEMA 1 (indoor) or NEMA 3R (outdoor weather-resistant) enclosures
UL listed assembly supports compliance in commercial and industrial installations
Built with genuine Siemens components for trusted reliability
Heavy-duty construction designed for long service life in demanding environments
Service-friendly layout supports easier maintenance and reduced downtime
Ideal for industrial facilities, large commercial buildings, and utility applications

Robust design for efficient, reliable power distribution

Shipping & Delivery

Free rapid delivery is available throughout the continental United States. Hawaii, Puerto Rico, and Guam are not included in the 3–5 business day delivery window.

Warranty Coverage

All switchgear includes a 1-year warranty on new and reconditioned units, with authentic OEM products and optional extended warranty coverage.

Siemens Components

All switchgear are built with genuine Siemens components, delivering reliable performance and trusted compatibility for commercial and industrial electrical systems.

UL 891 Certified

UL Listed switchgear meets strict safety and performance standards, ensuring code compliance and dependable operation in commercial and industrial applications.

Fast order processing

Fastest lead times guaranteed

Most orders ship within 1 business day. In rare cases, up to 5 business days may be required. If your order is time-sensitive, please contact us and we’ll do our best to accommodate your needs.

Fastest lead times guaranteed • Free delivery in 3-5 business days • Fastest lead times guaranteed • Free delivery in 3-5 business days • Fastest lead times guaranteed • Free delivery in 3-5 business days •

About Us

Contact Us

Services

Resources

Industries

480Y/277V Switchboard NEMA 1/3R

UL Certified

Dedicated Project Support

Long-Term Serviceability

480Y/277V Switchboard NEMA 1/3R

UL Certified

Reliable Delivery

Warranty Coverage

Siemens Components

UL 891 Certified

Fast order processing

Fastest lead times guaranteed

Featured Products

480Y/277V Switchboard NEMA 1/3R

$45,000.00

$55,000.00

480Y/277V Switchboard NEMA 1/3R

$45,000.00

$55,000.00

480Y/277V Switchboard NEMA 1/3R

$45,000.00

$55,000.00

480Y/277V Switchboard NEMA 1/3R

$45,000.00

$55,000.00

480Y/277V Switchboard NEMA 1/3R

$45,000.00

$55,000.00

480Y/277V Switchboard NEMA 1/3R

$45,000.00

$55,000.00

Get In Touch

Questions? Contact us today!

Phone number

Office location

Email address

About Us

Services

Quick Links

Industries

Resources

Services

About Us

Contact Us

Resources

Industries