Eaton Main Circuit Breaker 150A Two-Pole 120/240V 10kAIC Plug-On Type BJ

Eaton Main Circuit Breaker 150A Two-Pole 120/240V 10kAIC Plug-On Type BJ

Professional Main Circuit Breaker for Residential and Commercial Load Centers

The Eaton Type BJ Main Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial load center applications. This 150A two-pole main breaker provides reliable electrical protection 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 Performance Excellence

• 150 Ampere Rating - High-capacity current handling for demanding residential and commercial electrical distribution systems
• Two-Pole Configuration - Provides simultaneous switching and protection for both hot conductors in 120/240V systems
• 10 kAIC Interrupt Rating - Reliable fault current interruption capability for safe electrical system protection
• 120/240V Voltage Rating - Compatible with standard residential and light commercial electrical systems

Installation & Protection Features

• Plug-On Mounting Method - Quick and secure installation onto load center bus bars without additional hardware
• Common Trip Type - Both poles trip simultaneously for enhanced electrical safety and system protection
• Wire Size Compatibility - Accommodates #2 AWG through 300 kcmil copper and aluminum conductors for flexible installation options

Technical Specifications

Amperage Rating: 150A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10 kAIC, Trip Type: Common, Mounting Method: Plug-on, Wire Size: #2 AWG-300 kcmil Cu/Al, Main Circuit Breaker Type: BJ, Product Dimensions: 6.5" L x 3.5" W x 2.5" H, Weight: 1.8 lb, Certifications: UL 489, Compliances: Federal Specifications Classification W-C375

Installation & Usage

1. Verify load center compatibility and ensure minimum 150A capacity rating
2. Turn off main electrical supply and verify de-energized condition using appropriate test equipment
3. Remove load center cover and identify main breaker mounting location
4. Align breaker with bus bars and firmly press into plug-on connection until fully seated
5. Connect service entrance conductors to breaker terminals using proper torque specifications
6. Verify secure connections and proper breaker operation before energizing system

Professional Applications

Ideal for:

• Residential Load Centers - Main breaker protection for single-family homes and townhouses with 150A service
• Commercial Electrical Panels - Small commercial and light industrial facilities requiring reliable main disconnect protection
• Service Entrance Applications - Primary overcurrent protection for electrical service entrance equipment
• Electrical Panel Upgrades - Replacement main breakers for existing load center modernization projects
• Multi-Family Housing - Individual unit main protection in apartment buildings and condominiums
• Small Commercial Buildings - Retail stores, offices, and light commercial facilities with moderate electrical loads
• Electrical Contractor Projects - New construction and renovation projects requiring code-compliant main protection
• Facility Maintenance - Replacement and upgrade applications for existing electrical distribution systems

Type BJ Design Advantage

The Type BJ design provides compact 1-inch pole spacing for space-efficient installation in residential and light commercial load centers. The plug-on connection method ensures secure electrical contact with load center bus bars while simplifying installation and maintenance procedures. The common trip mechanism provides simultaneous protection for both poles, ensuring safe disconnection of the complete circuit during fault conditions.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation ensures this main circuit breaker meets the highest standards for electrical safety and reliability. With UL 489 listing and Federal Specifications compliance, this breaker provides the trusted performance that electricians, electrical contractors, and facility professionals worldwide depend on for critical electrical protection applications. Eaton's commitment to quality construction and dependable electrical performance makes this the preferred choice for professional electrical installations.