Eaton BR Series Three-Phase Ma...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$766.21
$729.39
Eaton Main Breaker Loadcenter 100A 24-Circuit 12-Space Three-Phase BR Series NEMA 1

Eaton BR Series Three-Phase Main Breaker Loadcenter 100A 24-Circuit 12-Space NEMA 1 Electrical Panel

(No reviews yet) Write a Review

Model: 3BR1224B100

In Stock (leaves warehouse same day if ordered before 3pm ET)

$766.21
$729.39
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Eaton BR Series Three-Phase Main Breaker Loadcenter 100A 24-Circuit 12-Space NEMA 1 Electrical Panel

Professional three-phase power distribution for commercial and industrial applications

The Eaton BR Series Three-Phase Main Breaker Loadcenter delivers reliable 100A power distribution with 24-circuit capacity in a compact 12-space configuration. This UL 67 listed electrical panel features a galvanized steel NEMA 1 enclosure with aluminum bus construction and 10 kAIC interrupt rating, providing professional-grade performance for three-phase 208Y/120V and 240V applications. Listed for use as service entrance equipment with preattached neutral bonding strap for streamlined installation.

Professional Features & Benefits

  • 100A Three-Phase Capacity: Handles substantial electrical loads for commercial and light industrial applications with reliable power distribution.
  • 24-Circuit 12-Space Design: Maximizes circuit capacity while maintaining compact footprint for efficient space utilization.
  • NEMA 1 Galvanized Steel Enclosure: Provides durable protection against environmental factors with corrosion-resistant construction.
  • 10 kAIC Interrupt Rating: Delivers robust fault protection capability for enhanced electrical safety and system reliability.
  • UL 67 Listed Service Entrance: Meets stringent safety standards with preattached neutral bonding strap for compliant installation.
  • Aluminum Bus Construction: Ensures efficient power transmission with reliable conductivity and thermal performance.
  • Type BR Breaker Compatibility: Works with standard 1-inch BR breakers for flexible circuit protection options.

Technical Specifications

  • Amperage Rating: 100 A
  • Box Size: C1
  • Bus Material: Aluminum
  • Catalog Notes: Listed for use as service entrance equipment and shipped with a neutral bonding strap preattached,
  • Certifications: UL 67
  • Cover Type: Cover included
  • Enclosure: NEMA 1
  • Enclosure Material: Galvanized steel
  • Interrupt Rating: 10 kAIC
  • Main Circuit Breaker: BR
  • Mounting Method: Combination
  • Nema Rating: NEMA 1
  • Number Of Circuits: 24
  • Number Of Spaces: 12
  • Number Of Wires: 4
  • Phase: Three-phase
  • Product Details: Main circuit breaker
  • Product Height: 21 in
  • Product Length Depth: 3.88 in
  • Product Weight: 23 lb
  • Product Width: 14.31 in
  • Special Features: No feed-thru lugs
  • Used With: Type BR 1-inch breakers
  • Voltage Rating: 208Y/120, 240V
  • Wire Size: #4-1/0 AWG Cu/Al

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Commercial Buildings and Office Complexes
  • Light Industrial Facilities
  • Multi-Unit Residential Properties
  • Retail and Service Establishments
  • Educational and Healthcare Facilities
  • Professional Service Centers
  • Mixed-Use Developments

Why Choose Eaton Quality?

Eaton BR Series loadcenters deliver proven reliability with UL 67 certification and robust galvanized steel construction. The combination mounting method and comprehensive wire size compatibility from #4-1/0 AWG Cu/Al ensures versatile installation options while maintaining professional performance standards for demanding three-phase applications.

Manufacturer Resources

Product Specs

Amperage Rating:
100 A
Box Size:
C1
Bus Material:
Aluminum
Catalog Notes:
Listed for use as service entrance equipment and shipped with a neutral bonding strap preattached,
Certifications:
UL 67
Cover Type:
Cover included
Enclosure:
NEMA 1
Enclosure Material:
Galvanized steel
Interrupt Rating:
10 kAIC
Main Circuit Breaker:
BR
Mounting Method:
Combination
Nema Rating:
NEMA 1
Number Of Circuits:
24
Number Of Spaces:
12
Number Of Wires:
4
Phase:
Three-phase
Product Details:
Main circuit breaker
Product Height:
21 in
Product Length Depth:
3.88 in
Product Weight:
23 lb
Product Width:
14.31 in
Special Features:
No feed-thru lugs
Used With:
Type BR 1-inch breakers
Voltage Rating:
208Y/120, 240V
Wire Size:
#4-1/0 AWG Cu/Al
Department:
Electrical
Product Type:
Load Center
Product Group:
Load Centers & Panel Boards

Eaton 3BR1224B100 – Frequently Asked Questions

How fast can I get the Eaton 3BR1224B100 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton 3BR1224B100 come with a warranty?
Absolutely. The Eaton 3BR1224B100 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton 3BR1224B100?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Eaton 3BR1224B100 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!