Eaton Main Breaker Loadcenter 400A Single-Phase 42-Circuit Surface Mount with Cover

Eaton Main Breaker Loadcenter 400A Single-Phase 42-Circuit Surface Mount with Cover

Professional electrical distribution with integrated main breaker protection

The Eaton Main Breaker Loadcenter delivers reliable 400A single-phase electrical distribution for demanding applications. This surface-mount loadcenter features an integrated main circuit breaker, NEMA 1 enclosure rating, and accommodates up to 42 circuits in a robust aluminum bus design. With cover included and UL Listed certification, this professional-grade loadcenter provides comprehensive power distribution and protection for residential and commercial installations.

Professional Features & Benefits

• 400A Main Breaker: Integrated main circuit breaker provides comprehensive overcurrent protection and convenient disconnect capability for the entire electrical system.
• 42-Circuit Capacity: Accommodates up to 42 individual circuits, providing extensive distribution flexibility for complex electrical installations.
• Single-Phase Design: Optimized for single-phase applications with reliable power distribution and load management capabilities.
• NEMA 1 Enclosure: Indoor-rated enclosure provides protection against dust and accidental contact while maintaining accessibility for service.
• Aluminum Bus Construction: Durable aluminum bus material ensures reliable conductivity and long-term performance in demanding applications.
• 22 KAIC Interrupt Rating: High interrupt capacity provides robust fault protection and system reliability under short-circuit conditions.
• UL Listed Certification: UL Listed file E52977 ensures compliance with safety standards and code requirements for professional installations.

Technical Specifications

• Amperage Rating: 400 A
• Bus Material: Aluminum
• Certifications: UL Listed file E52977
• Cover Included: Yes
• Department: Electrical
• Enclosure: NEMA 1
• Interrupt Rating: 22 KAIC
• Mounting: Surface
• Nema Rating: NEMA 1
• Number Of Circuits: 42
• Number Of Spaces: 42
• Phase: Single-phase
• Product Group: Electrical
• Product Height: 66.5 in
• Product Length Depth: 6.12 in
• Product Type: Main Breaker
• Product Weight: 96.25 lb
• Product Width: 16 in

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Large residential electrical service upgrades and new construction projects
• Commercial facilities requiring extensive circuit distribution and main breaker protection
• Multi-unit residential properties with high electrical demand
• Professional offices and retail establishments with complex electrical requirements
• Light industrial applications requiring reliable power distribution
• Emergency services facilities needing robust electrical infrastructure

Why Choose Eaton Quality?

Eaton loadcenters deliver proven reliability through UL Listed certification and robust construction. The NEMA 1 enclosure rating and aluminum bus design ensure long-term durability, while the integrated main breaker and 22 KAIC interrupt rating provide comprehensive protection for professional electrical installations.