Eaton GFCI Circuit Breaker Ground Fault 20A Single-Pole 120/240V QB Series 10kAIC 5mA Trip

Eaton GFCI Circuit Breaker Ground Fault 20A Single-Pole 120/240V QB Series 10kAIC 5mA Trip

Professional Ground Fault Circuit Interrupter Protection

The Eaton QB GFCI Circuit Breaker delivers exceptional ground fault protection and electrical safety performance for residential and commercial electrical applications. This 20A single-pole ground fault circuit interrupter provides reliable electrical protection with 5mA trip sensitivity designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced ground fault detection technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Ground Fault Protection Performance

• 20A Single-Pole Configuration - Provides reliable overcurrent and ground fault protection for 120/240V electrical circuits with professional-grade current handling capacity
• 5mA Trip Sensitivity - Advanced ground fault detection technology provides superior electrical safety protection by detecting dangerous ground fault conditions at extremely low current levels
• 10kAIC Interrupt Rating - High interrupting capacity safely clears fault currents up to 10,000 amperes, ensuring reliable protection in demanding electrical environments
• Non-Interchangeable Design - Engineered for specific QB series panel compatibility ensuring proper fit and optimal electrical performance in Eaton load centers

Professional Installation & Connection

• Bolt-On Mounting System - Secure mechanical and electrical connection to panel bus bars ensures reliable long-term performance and professional installation standards
• #14-4 AWG Wire Compatibility - Accommodates wide range of wire sizes for flexible installation options in residential and commercial electrical applications
• UL 489 Certification - Meets stringent electrical safety standards for circuit breaker performance, ensuring code compliance and professional installation requirements

Technical Specifications

Amperage Rating: 20A, Voltage Rating: 120/240V, Number of Poles: Single-pole, Interrupt Rating: 10kAIC, Trip Sensitivity: 5mA, Circuit Breaker Type: QB Series, Trip Type: Non-Interchangeable, Mounting Method: Bolt-on, Wire Size: #14-4 AWG, Certifications: UL 489, Dimensions: 4" L x 3.5" W x 1" H, Weight: 0.45 lb

Installation & Usage

1. Verify power is OFF at main panel and test circuits with appropriate electrical testing equipment before beginning installation
2. Remove knockout from designated single-pole position in compatible QB series load center or panel
3. Align circuit breaker with panel bus bar and firmly press bolt-on connection until securely seated
4. Connect circuit wiring to breaker terminals ensuring proper wire size (#14-4 AWG) and secure termination
5. Test GFCI function using test and reset buttons to verify proper ground fault protection operation
6. Restore power and verify circuit operation while ensuring all electrical connections meet NEC requirements

Professional Applications

Ideal for:

• Residential GFCI Protection - Bathroom, kitchen, laundry room, garage, and outdoor outlet circuits requiring ground fault protection
• Commercial Ground Fault Safety - Office buildings, retail spaces, and commercial facilities where personnel safety and electrical code compliance are critical
• Wet Location Protection - Areas exposed to moisture where ground fault protection is required by electrical codes for personnel safety
• Construction Site Safety - Temporary electrical installations and construction applications requiring portable GFCI protection
• Pool and Spa Electrical - Swimming pool, hot tub, and spa electrical circuits requiring specialized ground fault protection
• Workshop and Garage Circuits - Power tool and equipment circuits in workshops, garages, and utility areas
• Outdoor Electrical Systems - Landscape lighting, outdoor receptacles, and exterior electrical applications
• Healthcare Facility Protection - Medical and healthcare environments requiring enhanced electrical safety protection

Ground Fault Detection Advantage

The QB GFCI circuit breaker features advanced 5mA trip sensitivity ground fault detection technology that continuously monitors electrical current flow and instantly interrupts power when dangerous ground fault conditions are detected. This ultra-sensitive protection system provides superior personnel safety by detecting ground faults at current levels well below those that could cause serious injury, making it essential for wet locations, outdoor applications, and areas where electrical safety is paramount.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation delivers ground fault circuit interrupter technology that combines advanced safety protection with reliable circuit breaker performance. Our commitment to electrical safety standards, UL 489 certification compliance, and trusted performance makes Eaton GFCI circuit breakers the preferred choice for electricians, electrical contractors, and facility professionals worldwide who demand the highest levels of electrical protection and safety reliability.