Eaton Main Lug Loadcenter 125A Single-Phase 40-Circuit 20-Space NEMA 1 Aluminum Bus

Eaton Main Lug Loadcenter 125A Single-Phase 40-Circuit 20-Space NEMA 1 Aluminum Bus

Professional Electrical Distribution Panel for Residential and Commercial Applications

The Eaton Main Lug Loadcenter delivers exceptional electrical power distribution performance for residential and commercial electrical systems. This 125A single-phase loadcenter 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

• 125A Main Lug Configuration - Provides reliable main electrical connection with 125 ampere capacity for residential and light commercial electrical distribution systems
• 40-Circuit Capacity with 20 Spaces - Accommodates up to 40 individual circuits in 20 physical spaces using tandem breakers for maximum electrical distribution flexibility
• Single-Phase 120/240V Operation - Designed for standard residential and light commercial single-phase electrical systems with dual voltage capability
• 10 kAIC Interrupt Rating - Provides reliable short-circuit protection with 10,000 ampere interrupting capacity for residential electrical applications

Professional Construction & Installation

• Aluminum Bus Construction - Lightweight yet durable aluminum bus bars provide excellent electrical conductivity and corrosion resistance for long-term reliability
• NEMA 1 Metallic Enclosure - Indoor-rated metallic enclosure provides professional protection and durability for interior electrical installations
• Type BR Breaker Compatibility - Designed specifically for Eaton Type BR 1-inch circuit breakers ensuring proper fit and electrical performance

Electrical Safety & Code Compliance

• UL 67 Listed - Meets rigorous Underwriters Laboratories safety standards for panelboard construction and electrical performance
• Four-Wire Configuration - Includes two hots, neutral, and ground connections for complete electrical system grounding and safety

Technical Specifications

Amperage Rating: 125A, Voltage Rating: 120/240V, Phase: Single-phase, Number of Circuits: 40, Number of Spaces: 20, Interrupt Rating: 10 kAIC, Bus Material: Aluminum, Enclosure: NEMA 1 Metallic, Wire Configuration: Two hots, neutral and ground, Compatible Breakers: Type BR 1-inch, Dimensions: 21" L x 14.31" W x 3.88" H, Weight: 19.3 lbs, Certification: UL 67 Listed, Main Circuit Breaker: BR2125 compatible

Installation & Usage

1. Verify electrical service capacity matches 125A loadcenter rating and confirm single-phase 120/240V supply compatibility
2. Mount loadcenter in approved interior location following NEMA 1 enclosure requirements and local electrical codes
3. Connect main service conductors to main lug terminals ensuring proper torque specifications and wire sizing
4. Install neutral and ground connections following NEC grounding requirements for electrical safety
5. Install Type BR circuit breakers in designated spaces ensuring proper alignment and secure connection
6. Complete circuit wiring connections and perform electrical testing before energizing the distribution system

Professional Applications

Ideal for:

• Residential Electrical Systems - Main electrical distribution for homes, apartments, and residential buildings requiring 125A service capacity
• Light Commercial Applications - Small commercial buildings, retail spaces, and office buildings with moderate electrical loads
• Electrical Panel Upgrades - Replacement of older electrical panels with modern safety features and increased circuit capacity
• New Construction Projects - Primary electrical distribution for new residential and light commercial construction projects
• Electrical Service Expansions - Adding electrical capacity and circuit availability for growing electrical demands
• Code Compliance Upgrades - Meeting current NEC requirements for electrical safety and grounding systems
• Professional Electrical Installations - Contractor and electrician installations requiring reliable UL-listed electrical distribution equipment
• Electrical System Modernization - Updating electrical infrastructure with contemporary safety standards and circuit protection

Main Lug Design Advantage

The main lug configuration provides flexible connection options for electrical service entrance, allowing professional electricians to connect service conductors directly to the main lugs while utilizing a separate main disconnect switch upstream. This design offers installation flexibility and cost-effective electrical distribution for applications where the main disconnect is located elsewhere in the electrical system.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation ensures this loadcenter delivers the reliability and safety that electrical professionals demand. With UL 67 listing and commitment to electrical safety standards, Eaton loadcenters provide trusted performance for electricians, electrical contractors, and facility professionals worldwide, backed by comprehensive engineering expertise in residential and commercial electrical distribution systems.