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Eaton Type BR Three-Phase Main Lug Loadcenter 100A Aluminum Bus Metallic Enclosure
Model: EAT-3BR3L
Eaton Type BR Three-Phase Main Lug LoadcenterProfessional Three-Phase Power Distribution SolutionThe Eaton Type BR Three-Phase Main Lug Loadcenter delivers reliable 100A power distribution with...
Eaton
Starting at
$150.66
$135.68
Eaton Type BR Three-Phase Convertible Loadcenter
Professional Three-Phase Power Distribution for Commercial Applications
The Eaton Type BR Three-Phase Convertible Loadcenter delivers reliable 100A power distribution with four-wire configuration for versatile commercial and industrial applications. This metallic enclosure loadcenter features aluminum bus construction and accommodates 30 circuits with 208Y/120V and 240V voltage compatibility, providing flexible installation options for three-phase electrical systems.
Professional Features & Benefits
- 100A Service Rating: Provides robust power capacity for demanding commercial and light industrial electrical loads with reliable performance.
- Three-Phase Four-Wire Design: Supports both 208Y/120V and 240V systems for maximum installation flexibility and compatibility with diverse equipment requirements.
- 30-Circuit Capacity: Accommodates extensive branch circuit requirements with 30 spaces for comprehensive power distribution in larger facilities.
- Convertible Main Configuration: Offers installation versatility as main breaker or main lug unit to meet specific service entrance requirements.
- 10 kAIC Interrupt Rating: Provides reliable fault protection and electrical safety in commercial power distribution applications.
- Aluminum Bus Construction: Delivers efficient power transmission with corrosion resistance and long-term reliability in metallic enclosure.
- Type BR Breaker Compatibility: Works exclusively with Type BR 1-inch breakers for consistent performance and proper fit.
Technical Specifications
- Amperage Rating: 100 A
- Bus Material: Aluminum
- Catalog Notes: The maximum rating of the panel is the main breaker rating when used as service entrance equipment.
- Cover Type: Cover included
- Enclosure Material: Metallic
- Interrupt Rating: 10 kAIC
- Main Circuit Breaker: BR
- Mounting Method: Combination
- Number Of Circuits: 30
- Number Of Spaces: 30
- Number Of Wires: 4
- Phase: Three-phase
- Product Details: Convertible main
- Product Height: 29.13 in
- Product Weight: 20 lb
- Product Width: 14.31 in
- Special Features: No feed-thru lugs, includes BREQS125 hold-down screw
- Used With: Type BR 1-inch breakers
- Voltage Rating: 208Y/120, 240V
- Wire Size: Determined by circuit breaker installed
Professional Applications
- Commercial Office Buildings
- Retail Establishments
- Light Industrial Facilities
- Multi-Unit Residential Properties
- Professional Service Centers
- Educational Facilities
- Healthcare Facilities
Why Choose Eaton Quality?
Eaton Type BR loadcenters provide proven reliability with metallic enclosure construction and 10 kAIC interrupt rating for professional electrical installations. The convertible main design and comprehensive circuit capacity deliver long-term performance and installation flexibility for demanding commercial applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 100A
- Bus Material:
- Aluminum
- Cover Type:
- Cover included
- Enclosure Material:
- Metallic
- Interrupt Rating:
- 10 kAIC
- Main Circuit Breaker:
- BR
- Mounting Method:
- Combination
- Number Of Circuits:
- 30
- Number Of Spaces:
- 30
- Number Of Wires:
- 4
- Phase:
- Three-phase
- Product Details:
- Convertible main
- Product Height:
- 29.13 in
- Product Weight:
- 20 lb
- Product Width:
- 14.31 in
- Special Features:
- No feed-thru lugs, includes BREQS125 hold-down screw
- Used With:
- Type BR 1-inch breakers
- Voltage Rating:
- 208Y/120, 240V
- Product Size:
- Determined by circuit breaker installed
- Department:
- Electrical
- Product Type:
- Load Center
- Product Group:
- Power Distribution
- Product Subgroup:
- Panelboards & Load Centers
Eaton 3BR3030N100 – Frequently Asked Questions
1) Will a three-phase Eaton BR loadcenter work on my 208Y/120V service?
Yes, the Eaton Type BR three-phase convertible loadcenter is rated 208Y/120V and 240V, and it is a four-wire panel, so it takes three phase conductors plus a neutral. That is the standard wye service in a commercial building where you need 208V three-phase for equipment and 120V line-to-neutral for receptacles and lighting off the same panel.
2) Can I use Square D or Siemens breakers in an Eaton BR loadcenter?
No. The BR three-phase loadcenter takes Eaton Type BR 1-inch breakers only. Square D Homeline/QO and Siemens breakers are a different bus and stab geometry and will not seat correctly. If you are standardizing a building's spares, order BR breakers in single, two, and three pole as your circuits require.
3) Is this Eaton BR panel a main breaker or main lug loadcenter?
It is a convertible main, so the same enclosure can be set up either way. Run it as main lug only when it is fed downstream of another disconnect, or install a BR main breaker when it is the service entrance. One thing to plan for: when it is used as service entrance equipment, the panel's maximum rating becomes the rating of the main breaker you install, not the 100A busing.
4) Do I need the indoor or outdoor version of the Eaton 3BR3030N loadcenter?
Two enclosure choices. The indoor unit is MPN 3BR3030N100; the outdoor unit is 3BR3030N100R, and the R suffix is the one to order for an exterior wall, a meter stack location, a carport, or anywhere the panel sees weather. Both are metallic enclosures and both ship with the cover.
5) Can I feed another subpanel through this Eaton BR three-phase loadcenter?
Not through the panel itself. This one has no feed-thru lugs, so you cannot land a second set of conductors on the lugs to carry the service on to a downstream enclosure. To feed a subpanel, run it off a breaker in one of the 30 spaces instead. If your design specifically calls for feed-thru, this is the wrong catalog number.
6) How many circuits does the Eaton 3BR3030N three-phase loadcenter actually hold?
30 spaces and 30 circuits, using 1-inch Type BR breakers. On a three-phase panel that math matters: every three-pole breaker eats three of those spaces and every two-pole eats two, so a panel feeding several 208V three-phase loads fills up much faster than the 30 number suggests. Count your poles, not your loads, before you commit.
7) What are the dimensions of the Eaton 100A three-phase BR loadcenter for rough-in?
The enclosure measures 29.13 in high by 14.31 in wide and the unit weighs 20 lb. That width needs a clear stud bay or a masonry opening framed to suit, and the height is what usually decides whether it lands between a countertop and a ceiling in a tenant space. Mounting is combination, so it can be surface mounted or flush mounted with the appropriate treatment.
8) What size wire lands in a 100A Eaton BR three-phase panel?
On the branch side, conductor size is set by the circuit breaker installed in each space, not by the panel. Size each conductor to its own breaker and to the ampacity rules for your install conditions. The bus is aluminum, so use a listed antioxidant compound and torque terminations to the values marked in the enclosure.
9) Is a three-phase BR loadcenter the right panel for an apartment unit, or do I want single-phase?
For an individual dwelling unit, single-phase is almost always what you want. This convertible BR panel is a three-phase, four-wire unit for 208Y/120V distribution, which is the house panel or tenant-space panel in a commercial building, a retail suite, or the common-area service in a multi-family property. Feed the individual apartments with single-phase BR panels off it. Where a property manager gets caught out is ordering three-phase for a resi-style application and then having no place to land the third phase.
10) What is the BREQS125 screw that comes with the Eaton BR loadcenter for?
It's a breaker hold-down screw, shipped in the box with the panel. Some inspections and some applications require branch breakers to be secured against unintentional removal, and that is the piece that does it. Worth knowing it is included so nobody orders one separately or improvises on site.
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Does the Eaton 3BR3030N100 come with a warranty?
Absolutely. The Eaton 3BR3030N100 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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