Eaton BR main lug loadcenter 3BR3042L200S - 25 kAIC

Part Number: 3BR3042L200S
Manufacturer
Eaton
Part number
3BR3042L200S

Quick Summary

The Eaton BR main lug loadcenter 3BR3042L200S provides reliable 200 A electrical distribution for commercial and light industrial environments. Engineers often grapple with space constraints, limited enclosure options, and retrofit compatibility when upgrading panels. This unit carries UL 67 and UL 50 certifications, and it uses a NEMA 1 metallic enclosure for indoor service. Its 25 kAIC interrupt rating adds fault tolerance for demanding sites. Designed for BR 1-inch breakers and three-phase power at 208Y/120 or 240 V, it supports efficient distribution while simplifying procurement. With a 42 circuit capacity and 30 spaces, it accommodates expansion and modular layouts without bulky changes. Maintenance and commissioning become faster due to the rugged build and included cover.

Product Information

Extended Description

3BR3042L200S Eaton: Eaton BR main lug loadcenter,No feed-thru lugs,Main lug,200 A,G1,Aluminum,Cover included,NEMA 1,Metallic,25 kAIC,BWH,Surface,NEMA 1,42 Circuits,30 Spaces,Four-wire,Three-phase,Type BR 1-inch breakers,208 Y/120, 240 V,#1 AWG-300 kcmil Cu/Al
Product Name
Eaton BR main lug loadcenter
Catalog Number
3BR3042L200S
UPC
786676442404
Product Length/Depth
3.88 in
Product Height
39 in
Product Width
14.31 in
Product Weight
31.3 lb
Warranty
10 year
Certifications
UL 67 UL 50
Special features
No feed-thru lugs
Type
Main lug
Amperage Rating
200 A
Bus material
Aluminum
Cover
Cover included
Main circuit breaker
BWH
Mounting
Surface
Number of circuits
42
Number of spaces
30
Phase
Three-phase
Used with
Type BR 1-inch breakers
Voltage rating
208Y/120, 240V
Wire size
#1 AWG-300 kcmil Cu/Al
Box size
G1
Enclosure
NEMA 1
Enclosure material
Metallic
Interrupt rating
25 kAIC
NEMA rating
NEMA 1
Number of wires
4
200 A main lug design with no feed-thru lugs streamlines wiring and reduces field spares, cutting install time. This impacts project cost by limiting additional hardware and simplifying labeling and testing during commissioning. It is well suited for BR 1-inch breakers and three-phase layouts, providing reliable, balanced distribution across 42 circuits and 30 spaces in mid-size panels. Aluminum bus construction paired with a NEMA 1 metallic enclosure offers durability without excessive weight, easing transport and mounting. The surface-mount configuration accelerates installation in existing rooms and minimizes cabinet modifications. This combination supports clean indoor installations in commercial offices, data centers, and light industrial facilities, with a cover included to protect active connections from dust and impact. With a 25 kAIC interrupt rating, this loadcenter enhances fault tolerance in systems with moderate to high fault levels. It helps engineers demonstrate compliance with short-circuit criteria while reducing equipment downtime during fault events. When paired with BR 1-inch breakers, protection remains coordinated and predictable for downstream loads across both 208Y/120 and 240 V networks. Voltage compatibility includes 208Y/120 and 240 V three-phase service, enabling flexible integration with common building power systems. The unit supports #1 AWG to 300 kcmil Cu/Al conductors, ensuring scalable wiring for future loads. Its 42 circuits and 30 spaces offer room for expansion without relocating the main distribution panel. Warranty and lifecycle considerations translate into measurable ROI: a 10-year warranty reduces long-term maintenance risk, while the durable metallic enclosure reduces service calls. The enclosure size G1 and side mounting practicality enable easier retrofits in retrofit projects and new builds alike, helping electrical teams standardize parts and streamline procurement across facilities.

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FAQs

Proper installation requires a listed indoor enclosure with surface mounting and a flat backplane. Use BR 1-inch breakers and follow BR wiring guidelines for four-wire, three-phase feeders. Plan for 42 circuits, 30 spaces, and ensure conductors range from #1 AWG to 300 kcmil Cu/Al. Verify torque specs, labeling, and cover installation per Eaton documentation to ensure safe, code-compliant operation.
The loadcenter features a 25 kAIC interrupt rating and UL 67 UL 50 certifications, supporting reliable fault protection in typical commercial and light industrial plants. Aluminum bus helps reduce weight while maintaining strength. When used with BR 1-inch breakers, protection remains coordinated, minimizing downstream disruption during fault events in 208Y/120 and 240 V networks.
Yes. With 42 circuits and 30 spaces, it fits mid-size retrofit panels, and the surface-mount NEMA 1 enclosure reduces the need for major cabinet modifications. It accepts BR 1-inch breakers and supports 208Y/120 or 240 V services, making it a practical substitution for aging main lug panels in offices, retail spaces, and light industrial installations.
This unit is UL 67 and UL 50 certified, housed in a NEMA 1 metallic enclosure with a cover included. It is designed for indoor, surface-mounted installations and is compatible with BR type breakers. These certifications and enclosure specs help ensure compliance with electrical codes and safer operation in typical commercial and light industrial applications.
The 10-year warranty reduces long-term maintenance risk, while aluminum bus and lighter weight ease installation and handling. The 25 kAIC rating lowers outage-related damage potential, and BR compatibility simplifies spare parts inventory. A compact 42/30 layout improves panel footprint and reduces labor during replacements, delivering measurable lifecycle cost savings for facilities with multiple panels.