Eaton Main Lug Loadcenter 150A Three-Phase 42-Circuit 24-Space NEMA 3R BR Series
Professional Three-Phase Electrical Distribution Panel
The Eaton Main Lug Loadcenter delivers exceptional electrical power distribution performance for commercial and industrial three-phase applications. This 150A three-phase main lug 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
High-Capacity Power Distribution
- 150A Main Lug Design - Provides robust power distribution capacity for demanding commercial and industrial electrical systems with reliable main lug connections
- 42-Circuit Capacity - Accommodates extensive branch circuit requirements with 42 total circuits across 24 available spaces for maximum electrical distribution flexibility
- Three-Phase Configuration - Engineered for three-phase power systems delivering balanced electrical distribution for motors, machinery, and heavy commercial loads
- Four-Wire System - Supports complete three-phase four-wire electrical systems with neutral conductor for versatile power distribution applications
Weather-Resistant Protection
- NEMA 3R Enclosure Rating - Weather-resistant enclosure provides protection against rain, sleet, and ice formation for outdoor and wet location installations
- Aluminum Bus Construction - Durable aluminum bus material ensures reliable electrical conductivity and corrosion resistance for long-term performance
- Professional Wire Range - Accommodates #4 AWG through 300 kcmil wire sizes for flexible installation options and proper electrical connections
Installation Efficiency
- Compact D1R Box Size - Space-efficient design with optimized dimensions (29.13" x 14.31" x 5.19") for professional installation in space-constrained locations
- UL Listed Certification - Meets rigorous electrical safety standards ensuring code compliance and professional installation confidence
Technical Specifications
Amperage Rating: 150A | Configuration: Three-Phase Four-Wire | Circuit Capacity: 42 Circuits | Space Count: 24 Spaces | Enclosure: NEMA 3R Weather-Resistant | Box Size: D1R | Bus Material: Aluminum | Wire Size Range: #4 AWG-300 kcmil | Dimensions: 29.13" L x 14.31" W x 5.19" H | Weight: 36.5 lbs | Certifications: UL Listed
Installation & Usage
- Verify three-phase power supply matches loadcenter specifications and confirm NEMA 3R location requirements
- Mount loadcenter securely using appropriate fasteners for the installation environment and structural support
- Connect incoming three-phase conductors to main lug terminals following NEC guidelines and torque specifications
- Install branch circuit breakers in designated spaces ensuring proper phase distribution and load balancing
- Connect branch circuit conductors to breakers using appropriate wire sizes within #4 AWG-300 kcmil range
- Complete neutral and grounding connections according to local electrical codes and three-phase system requirements
- Test all circuits and verify proper operation before energizing the complete electrical distribution system
Professional Applications
Ideal for:
- Commercial Buildings - Office complexes, retail facilities, and commercial spaces requiring three-phase power distribution
- Industrial Facilities - Manufacturing plants, warehouses, and industrial operations with heavy electrical loads and motor applications
- Outdoor Installations - Weather-exposed locations requiring NEMA 3R protection for reliable electrical distribution
- Motor Control Centers - Three-phase motor applications requiring dedicated electrical distribution and circuit protection
- HVAC Systems - Commercial heating, ventilation, and air conditioning equipment with three-phase power requirements
- Machinery Applications - Industrial equipment and machinery requiring balanced three-phase electrical power distribution
- Service Entrance Applications - Main electrical distribution for commercial and industrial service entrance installations
- Electrical Upgrade Projects - Modernization of existing electrical systems requiring increased circuit capacity and weather protection
Weather-Resistant Advantage
The NEMA 3R enclosure rating provides essential weather protection for outdoor and wet location installations, ensuring reliable electrical distribution performance in challenging environmental conditions while maintaining safe access for maintenance and circuit modifications.
Why Choose Eaton Quality?
With over a century of electrical power management innovation, Eaton delivers the reliability and performance that electrical professionals demand. This UL Listed loadcenter represents Eaton's commitment to electrical safety, quality construction, and dependable power distribution solutions trusted by electricians, electrical contractors, and facility professionals worldwide for critical three-phase electrical applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 150 A
- Box Size:
- D1R
- Bus Material:
- Aluminum
- Certifications:
- UL Listed
- Enclosure:
- NEMA 3R
- Nema Rating:
- NEMA 3R
- Number Of Circuits:
- 42
- Number Of Spaces:
- 24
- Number Of Wires:
- 4
- Phase:
- Three-phase
- Product Height:
- 5.19 in
- Product Length Depth:
- 29.13 in
- Product Type:
- Main Lug Loadcenter
- Product Weight:
- 36.5 lb
- Product Width:
- 14.31 in
- Wire Size:
- #4 AWG-300 kcmil
- Product Group:
- Electrical
- Department:
- Electrical