Eaton BR Series Three-Phase Ma...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,403.47
Eaton BR Series Three-Phase Main Breaker Loadcenter, 200A, Copper Bus

Eaton BR Series Three-Phase Main Breaker Loadcenter, 200A, Copper Bus

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Model: 3BR3042BC150

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

$1,403.47
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Eaton BR Series Three-Phase Main Breaker Loadcenter, 200A, Copper Bus

Eaton's BR Series Three-Phase Main Breaker Loadcenter delivers 200A of main circuit breaker protection for commercial and light industrial electrical distribution systems. Built with a copper bus, 42 circuits across 30 spaces, and a four-wire, three-phase configuration, this loadcenter accommodates #1/0 AWG-250 kcmil Cu/Al conductors and is housed in a NEMA 1 metallic enclosure with cover included. Rated 10 kAIC and listed for use as service entrance equipment with a pre-attached neutral bonding strap, it is engineered for combination mounting flexibility in the L1 box size footprint.

Key Features

  • Main Breaker Rating: 200A main circuit breaker with no feed-thru lugs for a clean, dedicated main disconnect.
  • Durable Construction: Metallic NEMA 1 enclosure with cover included for reliable indoor protection.
  • Copper Bus: Copper bus bar construction supports efficient, high-capacity power distribution.
  • Circuit Capacity: 42 circuits across 30 spaces for flexible branch circuit wiring in three-phase installations.
  • Four-Wire, Three-Phase: Four-wire, three-phase configuration compatible with 208Y/120, 240V service.
  • Wire Range: Accepts #1/0 AWG-250 kcmil Cu/Al conductors for main and feeder connections.
  • Interrupt Rating: 10 kAIC short-circuit interrupt rating for dependable fault protection.
  • Mounting: Combination mounting supports both surface and flush installations in the L1 box size.

Certifications & Compliance

  • Listed for Use as Service Entrance Equipment
  • NEMA 1 Indoor Enclosure Rating
  • Ships with Pre-Attached Neutral Bonding Strap

Technical Specifications

  • Product Type: Load Center
  • Box size: L1
  • Number of circuits: 42
  • Warranty: 10 year
  • Number of spaces: 30
  • Number of wires: 4
  • Department: Electrical

Typical Applications

  • Commercial and Light Industrial Power Distribution
  • Three-Phase Panelboard and Load Center Wiring
  • Service Entrance Equipment Installations
  • New Construction and Electrical Panel Upgrades
  • Combination Surface or Flush Mount Installations

Why Eaton?

Eaton's BR Series loadcenters pair a metallic NEMA 1 enclosure and copper bus construction with a 10 kAIC interrupt rating to deliver dependable, code-compliant power distribution for three-phase applications. With cover included and support for #1/0 AWG-250 kcmil Cu/Al conductors, this loadcenter is built for professional electricians who need consistent, reliable performance in demanding commercial installations.

Manufacturer Resources

Product Specs

Cover Type:
Cover included
Voltage Rating:
208Y/120V
Product Type:
Load Center
Phase:
Three-phase
Box size:
L1
Number of circuits:
42
Warranty:
10 year
Mounting Method:
Combination
Bus material:
Copper
Product Width:
14.31 in
Enclosure material:
Metallic
Used with:
Type BR 1-inch breakers
Number of spaces:
30
Interrupt rating:
10 kAIC
Number of wires:
4
NEMA rating:
NEMA 1
Configuration:
Three-Phase, Four-Wire
Special features:
No feed-thru lugs
Department:
Electrical
Product Material:
Metallic
Amperage Rating:
200A
Product Group:
Load Centers & Panel Boards

Eaton 3BR3042BC150 – Frequently Asked Questions

1) Will the Eaton 3BR3042BC loadcenter work on a 208Y/120V three-phase service?
Yes. The Eaton BR three-phase loadcenter is built as a three-phase, four-wire panel rated 208Y/120V, which is the standard wye service in commercial buildings. The fourth wire is the neutral, and the panel ships with a pre-attached neutral bonding strap so it can be used as service entrance equipment. It is not a single-phase panel, so don't order it for a 120/240V residential service.
2) What breakers fit the Eaton BR 3-phase 200A loadcenter?
It takes Eaton Type BR 1-inch breakers. The interior is set up for 30 spaces and will accept up to 42 circuits when tandem or twin BR breakers are used in the spaces that allow them. Square D Homeline, QO, or Siemens breakers are not interchangeable here.
3) Is the 150A version of this Eaton BR three-phase panel the same box as the 200A?
Both amperage options, 150A and 200A, are built on the same L1 box with 30 spaces and 42 circuits. The difference is the main breaker rating: order MPN 3BR3042BC150 for the 150 amp main or 3BR3042BC200 for the 200 amp main. Size the main to your service and feeder, not to the box.
4) What size feeder conductors will land on the main of this Eaton 200A three-phase loadcenter?
The main lugs accept #1/0 AWG through 250 kcmil, copper or aluminum. That range covers typical 150A and 200A three-phase feeders in either material. Note there are no feed-thru lugs, so you cannot run a second panel off the bottom of this one.
5) Can this Eaton BR panel be mounted outdoors or in a wet location?
No. It is a NEMA 1 metallic enclosure, which is indoor only and gives no protection against rain or hose-down. For an exterior wall, a parking structure, or a car wash bay you need a NEMA 3R rainproof loadcenter.
6) Can I use this Eaton BR loadcenter as the service entrance panel on a small commercial building?
Yes. It is listed for use as service entrance equipment and ships with the neutral bonding strap already attached, so the neutral-to-ground bond is made at the service as required. If you instead install it downstream as a subpanel, remove that bonding strap and keep neutrals and grounds separate.
7) Can this Eaton BR loadcenter be flush mounted in a wall, or is it surface only?
Combination mounting, so it handles either surface or flush installation. The box is 14.31 inches wide, which is the dimension that decides your stud bay or wall opening for a recessed install. The cover is included, so you are not ordering a trim separately.
8) Copper bus versus aluminum bus in a loadcenter, does it matter for a commercial install?
This Eaton BR three-phase loadcenter uses a copper bus. Copper bus is frequently called out on commercial and institutional specs and on hospital or data-adjacent work where a spec sheet names the bus material outright, so if your drawings say copper bus this one satisfies that line. Electrically the panel is rated the same either way at 200A; the difference is the spec requirement.
9) How many three-phase branch circuits can I actually get out of a 30-space Eaton BR panel?
Each three-pole breaker eats three spaces, so 30 spaces gives you up to 10 three-pole circuits if the whole panel is three-phase loads. Mixing in single-pole 120V branch circuits is the usual approach, and with tandem BR breakers where permitted the panel is rated for up to 42 circuits total.
How fast can I get the Eaton 3BR3042BC150 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 3BR3042BC150 come with a warranty?
Absolutely. The Eaton 3BR3042BC150 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 3BR3042BC150?
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
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