Eaton BR4242L600S Main Lug Loadcenter - 25 kAIC, NEMA 1
Part Number: BR4242L600S
Quick Summary
The Eaton BR4242L600S main lug loadcenter provides compact, indoor power distribution for industrial panels. Cramped wiring and lengthy start-ups are common headaches; this unit reduces complexity with 42 circuits and a surface-mount footprint. UL 50 and UL 67 listings and a NEMA 1 enclosure deliver proven reliability for indoor environments, while a 25 kAIC interrupt rating adds fault tolerance. With a 600 A capacity and aluminum bus, it delivers high performance without excessive weight or installation effort, supporting efficient maintenance. Designed for electricians, panel builders, and OEMs, it pairs BR-series compatibility with a protective cover to speed commissioning and ensure code-compliant installations.
Product Information
Extended Description
BR4242L600S Eaton: Eaton Eaton BR main lug loadcenter,With surface cover, Indoor, 600 A,22,Aluminum, NEMA 1,Surface,NEMA 1,42 Circuits,42 Spaces,Four-wire,Three-phase,Type BR 1-inch breakers,208Y/120,240V,(2) #2–500 kcmil
Product Name
Eaton BR main lug loadcenter
Catalog Number
BR4242L600S
UPC
786685895451
Product Length/Depth
6.31 in
Product Height
54 in
Product Width
16.22 in
Product Weight
80 lb
Warranty
10 year limited
Certifications
UL 50 UL 67
Type
Main lug
Amperage Rating
600 A
Bus material
Aluminum
Cover
Cover included
Main circuit breaker
MLO
Mounting
Surface
Number of circuits
42
Number of spaces
42
Phase
Single-phase
Enclosure
NEMA 1
Interrupt rating
25 kAIC
NEMA rating
NEMA 1
Residential and Light Commercial, Load centers and Circuit Breakers, Volume 1 Tab 1
Eaton Specification Sheet - BR4242L600S
Eaton type BR circuit breaker limited warranty June 2024
Feature: 600 A main rating and 42 circuit capacity → Benefit: Supports large loads and future expansion without upgrading the enclosure, reducing total cost of ownership. Application: Industrial facilities and data centers requiring scalable distribution with reliable fault tolerance. Feature: Aluminum bus material → Benefit: Lighter weight and corrosion resistance translate to easier installation and long-term serviceability. Application: Indoor panels in manufacturing and facilities management. Feature: Surface mounting with included cover → Benefit: Faster, code-compliant installations in tight spaces, minimal field modification needed. Application: Retrofit projects and new builds in constrained environments. Feature: 208Y/120V and 240V compatibility → Benefit: Flexible integration into common commercial and industrial power systems, reducing cabling complexity. Application: Mixed-voltage panel configurations. Feature: UL 50, UL 67 listings and NEMA 1 enclosure → Benefit: Strong regulatory compliance and durable indoor protection, lowering commissioning risk. Application: Facilities with strict electrical codes and indoor operation. Feature: BR-series 1-inch breaker compatibility → Benefit: Seamless integration with existing Eaton protection strategies and simplified maintenance. Application: OEM integrations and service upgrades.
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FAQs
Yes, the BR4242L600S is designed to be compatible with Eaton BR-series 1-inch breakers. It is a surface-mounted loadcenter with a surface cover, making installation straightforward in indoor environments. For best results, follow the manufacturer’s mounting guidelines to ensure proper enclosure mounting, conductor routing, and secure termination to the 42 total spaces.
The BR4242L600S has a 25 kAIC interrupt rating, which indicates the maximum short-circuit current the device is designed to interrupt safely. This rating provides improved fault tolerance and enhanced protection for downstream equipment, reducing the risk of equipment damage and downtime in high-energy fault scenarios.
Yes. The BR4242L600S supports 208Y/120V and 240V systems, making it versatile for common commercial and light industrial applications. Its design accommodates standard wiring practices for these voltages, enabling streamlined integration into existing electrical schemes.
This loadcenter carries UL 50 and UL 67 listings and uses a NEMA 1 enclosure. These certifications attest to electrical safety and enclosure protection suitable for indoor environments, supporting code compliance and reliable performance in controlled spaces.
The 600 A capacity and aluminum bus provide durable performance with reduced weight, easing installation and service. The 10-year limited warranty adds long-term assurance. By supporting BR-series breakers and a robust 42-space configuration, it minimizes future panel upgrades, reduces maintenance frequency, and supports predictable energy distribution for higher uptime and improved ROI.