Eaton Main Breaker Loadcenter 125A Single-Phase 24-Circuit 12-Space NEMA 3R Aluminum Bus BR Series 120/240V

Eaton Main Breaker Loadcenter 125A Single-Phase 24-Circuit 12-Space NEMA 3R Aluminum Bus 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 light commercial applications. This 125A single-phase main breaker loadcenter provides reliable electrical distribution with 24 circuits and 12 spaces, 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

• 125A Main Circuit Breaker - Provides reliable overcurrent protection with BR series main breaker for comprehensive electrical system protection
• 24-Circuit Capacity with 12 Spaces - Accommodates up to 24 single-pole Type BR 1-inch breakers with flexible circuit configuration for residential and commercial electrical distribution
• 10 kAIC Interrupt Rating - Delivers professional-grade short circuit protection capability for safe electrical system operation
• 120/240V Single-Phase Design - Optimized for standard residential and light commercial electrical service applications

Construction & Environmental Protection

• NEMA 3R Weatherproof Enclosure - Metallic enclosure with cover included provides outdoor installation capability and weather resistance
• Aluminum Bus Construction - Lightweight yet durable aluminum bus material ensures reliable electrical conductivity and corrosion resistance
• Plug-On Neutral Technology - Advanced connection system simplifies AFCI and GFCI breaker installation while reducing installation time

Professional Installation Features

• Combination Mounting Design - Versatile mounting options for surface or flush installation applications
• Three-Wire Single-Phase Configuration - Standard residential electrical service compatibility with proper neutral and ground connections

Technical Specifications

Main Circuit Breaker: 125A BR Series, Voltage Rating: 120/240V Single-Phase, Number of Circuits: 24, Number of Spaces: 12, Interrupt Rating: 10 kAIC, Bus Material: Aluminum, Enclosure: NEMA 3R Metallic with Cover, Wire Configuration: Three-Wire, Mounting: Combination, Compatible Breakers: Type BR 1-inch, Dimensions: 18.75" H x 14.31" W x 3.88" D, Weight: 15 lb, Certifications: UL 50

Installation & Usage

1. Mount loadcenter securely using combination mounting method in appropriate location following NEC requirements
2. Connect incoming 120/240V single-phase service conductors to main breaker terminals with proper torque specifications
3. Install neutral and ground conductors to designated bus bars ensuring proper electrical connections
4. Install Type BR 1-inch circuit breakers in designated spaces utilizing plug-on neutral technology for AFCI/GFCI breakers
5. Connect branch circuit conductors to individual circuit breakers following proper wire sizing and connection procedures
6. Verify all electrical connections are secure and perform system testing before energizing the electrical panel

Professional Applications

Ideal for:

• Residential Electrical Systems - Main electrical distribution for single-family homes, townhouses, and residential construction projects
• Light Commercial Applications - Small office buildings, retail spaces, and commercial facilities requiring 125A electrical service
• Outdoor Electrical Installations - NEMA 3R weatherproof rating enables exterior mounting for detached garages, workshops, and outbuildings
• Electrical Service Upgrades - Replacement of older electrical panels with modern plug-on neutral technology and enhanced safety features
• New Construction Projects - Primary electrical distribution for residential and light commercial building construction
• Electrical Renovation Work - Panel upgrades and electrical system modernization projects requiring reliable power distribution
• Multi-Family Housing - Individual unit electrical service in apartments, condominiums, and multi-unit residential buildings
• Agricultural Buildings - Electrical distribution for barns, equipment buildings, and agricultural facilities with weather-resistant requirements

Plug-On Neutral Technology Advantage

Eaton's innovative plug-on neutral technology simplifies the installation of AFCI and GFCI circuit breakers by eliminating the need for pigtail neutral connections. This advanced design reduces installation time, improves connection reliability, and provides a cleaner panel appearance while maintaining the highest electrical safety standards for modern residential and commercial electrical systems.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton continues to lead the industry in intelligent power solutions and electrical safety technology. This main breaker loadcenter represents Eaton's commitment to providing professional-grade electrical equipment that meets the demanding requirements of electricians, electrical contractors, and facility professionals worldwide. UL 50 certification ensures compliance with the highest electrical safety standards, while Eaton's proven reliability delivers the dependable performance that electrical professionals trust for critical power distribution applications.