Eaton Main Breaker Loadcenter 100A 24-Circuit 12-Space Three-Phase BR Series NEMA 1

Eaton Main Breaker Loadcenter 100A 24-Circuit 12-Space Three-Phase BR Series NEMA 1

Professional Electrical Distribution Panel for Commercial and Industrial Applications

The Eaton Main Breaker Loadcenter delivers exceptional electrical power distribution performance for commercial and industrial electrical systems. This 100A three-phase loadcenter with 24 circuits and 12 spaces provides reliable electrical distribution designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Distribution Performance

• 100A Main Circuit Breaker - Provides reliable overcurrent protection with BR series thermal-magnetic technology for commercial electrical distribution systems
• 24-Circuit Capacity with 12 Spaces - Accommodates extensive branch circuit requirements for large commercial and industrial electrical installations
• Three-Phase 208Y/120V and 240V Rating - Supports both commercial three-phase and split-phase electrical systems for versatile power distribution applications
• 10 kAIC Interrupt Rating - Delivers robust short-circuit protection capability for commercial electrical environments with higher fault current levels

Professional Construction & Protection

• NEMA 1 Galvanized Steel Enclosure - Provides durable indoor protection with corrosion-resistant construction for long-term electrical system reliability
• Aluminum Bus Material - Ensures excellent electrical conductivity and thermal performance for efficient power distribution in commercial applications
• Four-Wire Configuration - Supports proper grounding and neutral connections for safe three-phase electrical system installations

Installation & Compatibility

• Type BR 1-Inch Breaker Compatibility - Accepts standard Eaton BR series circuit breakers for flexible branch circuit protection and easy maintenance
• Combination Mounting Design - Provides versatile installation options for surface or flush mounting in commercial electrical rooms and utility areas

Technical Specifications

Main Circuit Breaker: BR series 100A, Interrupt Rating: 10 kAIC, Voltage Rating: 208Y/120V and 240V, Phase: Three-phase, Number of Circuits: 24, Number of Spaces: 12, Wire Size: #4-1/0 AWG Cu/Al, Bus Material: Aluminum, Enclosure: NEMA 1 galvanized steel, Wiring: Four-wire configuration, Dimensions: 21" H x 14.31" W x 3.88" D, Weight: 23 lbs, Certifications: UL 67 Listed, Cover: Included, Special Features: No feed-thru lugs, Box Size: C1

Installation & Usage

1. Verify electrical service requirements match 100A three-phase capacity and voltage ratings before installation
2. Mount loadcenter securely in approved location following NEMA 1 indoor installation requirements and local electrical codes
3. Connect main service conductors (#4-1/0 AWG Cu/Al) to main breaker terminals with proper torque specifications
4. Install neutral bonding strap for service entrance applications as shipped with pre-attached configuration
5. Install Type BR 1-inch circuit breakers in designated spaces according to branch circuit requirements
6. Complete all branch circuit wiring connections and perform comprehensive electrical testing before energizing system

Professional Applications

Ideal for:

• Commercial Electrical Distribution - Office buildings, retail facilities, and commercial spaces requiring 100A three-phase power distribution
• Industrial Power Systems - Manufacturing facilities and industrial plants needing reliable electrical distribution with 24-circuit capacity
• Service Entrance Equipment - Main electrical service panels for commercial buildings with UL 67 listing for service entrance applications
• Electrical Room Installations - Central power distribution in electrical rooms and utility areas with NEMA 1 indoor protection
• Multi-Tenant Buildings - Apartment complexes and multi-unit commercial buildings requiring extensive branch circuit distribution
• Facility Electrical Upgrades - Electrical system modernization projects requiring increased circuit capacity and three-phase power
• Educational Facilities - Schools and institutional buildings needing reliable electrical distribution with professional-grade protection
• Healthcare Electrical Systems - Medical facilities requiring dependable power distribution with robust interrupt rating capabilities

BR Series Technology Advantage

The BR series main breaker provides thermal-magnetic protection technology with reliable overcurrent protection for commercial electrical applications. The 10 kAIC interrupt rating ensures adequate short-circuit protection capability for typical commercial electrical environments, while the aluminum bus construction delivers excellent electrical conductivity and thermal performance for efficient power distribution.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation ensures this loadcenter meets the highest standards for commercial electrical distribution. With UL 67 certification and commitment to electrical safety and reliability, this loadcenter provides the trusted performance that electricians, electrical contractors, and facility professionals worldwide depend on for critical power distribution applications.