Eaton Circuit Breaker Thermal-Magnetic Quadplex 30A/50A Four-Pole 120/240V 10kAIC BQ Series

Eaton Circuit Breaker Thermal-Magnetic Quadplex 30A/50A Four-Pole 120/240V 10kAIC BQ Series

Professional Electrical Circuit Protection Equipment

The Eaton BQ Quadplex Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This unique four-pole quadplex design with dual amperage ratings of 30A and 50A 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

Advanced Circuit Protection Performance

• Dual Amperage Configuration - Features one two-pole 30A and one two-pole 50A circuit breaker in a single four-pole unit for versatile electrical load management
• 10 kAIC Interrupt Rating - Provides reliable short-circuit protection with 10,000 ampere interrupting capacity for residential and light commercial applications
• 120/240V Voltage Rating - Designed for standard residential and commercial electrical systems with split-phase power distribution
• Thermal-Magnetic Trip Technology - Independent trip mechanisms provide precise overcurrent protection with reliable thermal and magnetic trip characteristics

Professional Installation Features

• CTL Plug-On Design - 1-inch CTL (Circuit Total Limitation) plug-on mounting ensures proper installation in Type BR loadcenters
• Rejection Tab Feature - Includes rejection tab feature to prevent installation in incompatible electrical panels for enhanced safety
• Wire Compatibility - Accommodates #14-4 AWG copper and aluminum conductors for flexible wiring options

Technical Specifications

Amperage Rating: (1) Two-Pole 30A, (1) Two-Pole 50A; Voltage Rating: 120/240V; Interrupt Rating: 10 kAIC; Number of Poles: Four-pole; Circuit Breaker Type: BQ; Trip Type: Independent; Wire Size: #14-4 AWG Cu/Al; Mounting Method: Plug-on; Type: Type BQ 1-Inch CTL plug-on circuit breaker; Used With: Type BR Loadcenters; Certifications: UL 489; Compliances: Federal Specifications Classification W-C375; Dimensions: 3.5" W x 3.3" H x 2.4" D; Weight: 2.35 lb

Installation & Usage

1. Verify power is OFF and test electrical panel with appropriate voltage tester before beginning installation
2. Confirm compatibility with Type BR loadcenter and available space for four-pole quadplex unit
3. Align circuit breaker with bus bars and firmly press plug-on connections until fully seated
4. Connect branch circuit conductors to appropriate terminals, ensuring proper wire size (#14-4 AWG Cu/Al)
5. Verify rejection tab feature is properly engaged to prevent improper installation
6. Test circuit breaker operation and verify proper electrical connections before energizing

Professional Applications

Ideal for:

• Residential Electrical Panels - Perfect for Type BR loadcenters requiring dual amperage circuit protection in compact space
• Multi-Circuit Applications - Ideal for installations requiring both 30A and 50A protection in single unit
• Space-Saving Installations - Quadplex design maximizes circuit capacity in limited panel space
• HVAC System Protection - Suitable for air conditioning and heating equipment requiring different amperage ratings
• Appliance Circuit Protection - Excellent for protecting multiple high-amperage appliances with different current requirements
• Commercial Light Duty Applications - Appropriate for small commercial installations with 10 kAIC fault current levels
• Electrical Upgrade Projects - Perfect for panel upgrades requiring multiple circuit protection in compact configuration
• Professional Electrical Installations - Designed for electrician and contractor installations requiring reliable dual-amperage protection

Thermal-Magnetic Protection Advantage

The independent thermal-magnetic trip technology provides superior overcurrent protection by combining thermal elements for overload protection and magnetic elements for short-circuit protection. This dual-protection system ensures reliable circuit interruption under both sustained overload conditions and high-fault current situations, delivering the precise electrical protection required for safe residential and commercial electrical systems.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the proven reliability and advanced technology that electrical professionals trust worldwide. This UL 489 listed quadplex circuit breaker represents Eaton's commitment to electrical safety, quality construction, and dependable performance for electricians, electrical contractors, and facility professionals who demand the highest standards in electrical protection equipment.