Eaton Main Breaker Loadcenter 100A Single-Phase 40-Circuit 20-Space NEMA 3R BR Series 120/240V

Eaton Main Breaker Loadcenter 100A Single-Phase 40-Circuit 20-Space NEMA 3R BR Series 120/240V

Professional Electrical Distribution Panel with Plug-On Neutral Technology

The Eaton Main Breaker Loadcenter delivers exceptional electrical power distribution performance for residential and commercial applications. This 100A single-phase loadcenter with 40 circuits and 20 spaces provides reliable electrical distribution designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced plug-on neutral technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Performance & Capacity

• 100A Main Circuit Breaker - BR series main breaker provides reliable overcurrent protection with 10 kAIC interrupt rating for comprehensive electrical safety
• 40-Circuit Capacity with 20 Spaces - Accommodates up to 40 single-pole circuits in 20 spaces using tandem breakers for maximum circuit density and flexible electrical distribution
• 120/240V Single-Phase Design - Standard residential and light commercial voltage configuration for versatile electrical power distribution applications
• Plug-On Neutral Technology - Advanced neutral connection system simplifies AFCI and GFCI breaker installation while reducing installation time and improving reliability

Weather Protection & Durability

• NEMA 3R Enclosure Rating - Weather-resistant metallic enclosure with included cover provides protection against rain, sleet, and snow for outdoor installations
• Aluminum Bus Construction - Durable aluminum bus material ensures reliable electrical conductivity and corrosion resistance for long-term performance
• Professional Grade Construction - UL 67 certified design meets stringent electrical safety standards for professional electrical installations

Installation Convenience

• Combination Mounting Design - Versatile mounting options accommodate various installation requirements for surface or flush mounting applications
• Type BR 1-Inch Breaker Compatibility - Designed for use with Eaton Type BR 1-inch circuit breakers for consistent performance and reliable electrical protection

Technical Specifications

Main Circuit Breaker: 100A BR Series, Voltage Rating: 120/240V, Phase: Single-phase, Number of Circuits: 40, Number of Spaces: 20, Interrupt Rating: 10 kAIC, Bus Material: Aluminum, Enclosure: NEMA 3R metallic with cover included, Mounting: Combination, Dimensions: 26.7" L x 15.4" W x 5.9" H, Weight: 26.2 lbs, Wire Configuration: Three-wire, Pole Configuration: Single-pole, Certifications: UL 67, Compatible Breakers: Type BR 1-inch breakers

Installation & Usage

1. Select appropriate mounting location ensuring adequate clearance and accessibility per NEC requirements
2. Secure loadcenter enclosure using combination mounting method appropriate for installation surface
3. Connect incoming service conductors to main breaker terminals following proper torque specifications
4. Install neutral and ground conductors to designated bus bars with proper separation
5. Install Type BR circuit breakers in designated spaces, utilizing plug-on neutral connections for AFCI/GFCI breakers
6. Connect branch circuit conductors to circuit breakers following amperage ratings and wire size requirements
7. Complete installation with proper labeling of all circuits and final electrical inspection

Professional Applications

Ideal for:

• Residential Electrical Systems - Main electrical distribution for homes, apartments, and residential buildings requiring reliable power distribution
• Light Commercial Applications - Small commercial buildings, retail spaces, and office buildings needing professional electrical distribution
• Outdoor Electrical Installations - NEMA 3R weather protection makes it suitable for exterior mounting and exposed installations
• Electrical Service Upgrades - Replacement of older electrical panels with modern plug-on neutral technology and increased circuit capacity
• New Construction Projects - Primary electrical distribution for new residential and light commercial construction projects
• Electrical Renovation Work - Panel upgrades and electrical system modernization projects requiring expanded circuit capacity
• Multi-Family Housing - Individual unit electrical distribution in apartments, condominiums, and townhomes
• Accessory Buildings - Garages, workshops, and outbuildings requiring dedicated electrical distribution with weather protection

Plug-On Neutral Technology Advantage

Eaton's innovative plug-on neutral technology revolutionizes AFCI and GFCI circuit breaker installation by providing a dedicated neutral connection that eliminates the need for pigtail neutral connections. This advanced design reduces installation time, improves connection reliability, and simplifies maintenance while ensuring optimal performance of arc fault and ground fault protection devices required by modern electrical codes.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton leads the industry in intelligent power distribution solutions. This loadcenter represents Eaton's commitment to electrical safety, reliability, and advanced technology, featuring UL 67 certification and trusted performance that electricians, electrical contractors, and facility professionals worldwide depend on for critical electrical distribution applications in residential and commercial environments.