Eaton Thermal Magnetic Circuit Breaker BQ Four-Pole 20A 10kAIC 120/240V CTL Plug-On

Eaton BQ Thermal Magnetic Circuit Breaker

Professional Four-Pole Electrical Protection Solution

The Eaton BQ Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This 20A four-pole circuit 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 Protection Performance

• 20 Ampere Four-Pole Configuration - Provides comprehensive electrical protection with dual two-pole design for enhanced circuit control and safety
• 10 kAIC Interrupt Rating - Delivers reliable short-circuit protection and fault current interruption for residential and light commercial applications
• 120/240V Voltage Rating - Compatible with standard residential and commercial electrical systems for versatile installation options
• Thermal Magnetic Trip Technology - Combines thermal overload protection with magnetic short-circuit protection for comprehensive electrical safety

Installation & Design Features

• CTL Plug-On Design - Features convenient plug-on mounting for quick and secure installation in Type BR loadcenters
• Rejection Tab Feature - Includes built-in rejection tab to prevent installation in incompatible panels, ensuring proper electrical safety
• 1-Inch Width Design - Compact BQ series design maximizes panel space utilization while providing four-pole protection

Professional Construction

• UL 489 Listed - Meets rigorous electrical safety standards for professional electrical installations
• Wire Compatibility - Accommodates #14-4 AWG copper and aluminum conductors for flexible wiring options
• Independent Trip Operation - Each pole operates independently for precise electrical protection and system reliability

Technical Specifications

Amperage Rating: 20A Four-Pole Configuration, Voltage Rating: 120/240V, Interrupt Rating: 10 kAIC, Circuit Breaker Type: BQ Series, Trip Type: Independent, Mounting Method: Plug-On CTL, Wire Size: #14-4 AWG Cu/Al, Special Features: Rejection Tab Feature, Dimensions: 3" H x 2" W x 3" D, Weight: 0.7 lb, Certifications: UL 489 Listed, Compliance: Federal Specifications Classification W-C375, Compatible With: Type BR Loadcenters

Installation & Usage

1. Verify electrical panel compatibility with Type BR loadcenters and confirm proper voltage rating match
2. Turn off main electrical power and verify de-energized state using appropriate electrical testing equipment
3. Align circuit breaker with bus bars and firmly press plug-on connection until fully seated
4. Connect branch circuit conductors to breaker terminals using proper torque specifications for wire gauge
5. Verify rejection tab engagement prevents installation in incompatible panel configurations
6. Test circuit breaker operation and restore power following proper electrical safety procedures

Professional Applications

Ideal for:

• Residential Electrical Systems - Main panels, sub-panels, and electrical distribution for homes and apartments
• Light Commercial Applications - Small office buildings, retail spaces, and commercial electrical distribution
• Multi-Circuit Protection - Applications requiring four-pole protection for 240V loads and equipment
• HVAC System Protection - Air conditioning units, heat pumps, and electrical heating systems
• Appliance Circuit Protection - Electric ranges, dryers, water heaters, and high-amperage appliances
• Workshop and Garage Electrical - Tool circuits, equipment protection, and electrical safety systems
• Electrical Panel Upgrades - Modernization projects and electrical system improvements
• Code Compliance Projects - Meeting NEC requirements for electrical protection and safety

Thermal Magnetic Protection Advantage

The BQ series thermal magnetic technology provides dual protection mechanisms with thermal elements responding to overload conditions and magnetic elements providing instantaneous short-circuit protection. This combination ensures comprehensive electrical safety while minimizing nuisance tripping, making it ideal for residential and light commercial applications where reliable electrical protection is essential.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the quality construction and dependable electrical performance that electricians, electrical contractors, and facility professionals trust worldwide. Every BQ circuit breaker undergoes rigorous testing and quality control processes, ensuring UL 489 compliance and reliable electrical protection for residential and commercial applications. Choose Eaton for proven electrical safety technology and professional-grade power management solutions.