B120DF - 20A Dual Function Circuit Breaker

B120DF  - 20A Dual Function Circuit Breaker

The B120DF dual function circuit breaker is engineered to provide advanced branch circuit protection in residential and light commercial electrical systems. Designed as a 1-pole, 20 amp bolt-on molded case circuit breaker, this unit combines Combination Type Arc-Fault Circuit Interrupter (AFCI) protection with 5mA Ground Fault Circuit Interrupter (GFCI) protection in a single device. That means it helps defend against both dangerous arc faults and ground faults—two of the leading causes of electrical fires and shock hazards. With a 10kA interrupting capacity at 120/240VAC, the B120DF delivers dependable overcurrent protection while meeting modern code requirements for enhanced circuit safety. Built on the BFGA2 frame type, this breaker is ideal for electricians, contractors, and facility managers who need reliable protection and consistent performance in compatible panelboards.

By integrating dual protection technology into one compact breaker, the B120DF simplifies installation, reduces panel space usage, and helps ensure compliance with current electrical safety standards. It’s a practical, code-aligned solution for safeguarding kitchens, laundry areas, living spaces, and other locations where both AFCI and GFCI protection may be required.

Key Features and Benefits

• Dual Function Protection (AFCI + GFCI): Combination Type AFCI helps detect dangerous arc faults, while built-in 5mA Class A GFCI protection guards against ground faults and electrical shock.
• 20 Amp Rating: Ideal for standard 120V branch circuits serving outlets, lighting, and general-purpose receptacles.
• 1-Pole Configuration: Designed for single-phase applications in residential and light commercial systems.
• 10kA Interrupting Capacity: Rated for 10,000 amps at 120/240VAC, helping protect equipment during short-circuit conditions.
• Bolt-On Design: Secure mounting style provides solid electrical connection and stability within compatible load centers.
• Space-Saving Solution: Combines two protective functions into one breaker, eliminating the need for separate devices.
  

Technical Specifications

• Part Number: B120DF
  
• Amperage Rating: 20 Amps
  
• Poles: 1
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA
  
• Frame Type: BFGA2
  
• Protection Type: Combination AFCI + 5mA GFCI (Dual Function)
  
• Mounting Style: Bolt-On Molded Case Circuit Breaker
  
• Approximate Shipping Weight: 1 lb
  
• Approximate Shipping Dimensions: 5.0" height
  

Material Compliance and Certifications

• Industry Standards: The B120DF circuit breaker is manufactured to meet applicable industry standards for molded case circuit breakers and arc-fault/ground-fault protection devices.
• Electrical Safety Requirements: Combination AFCI and Class A 5mA GFCI functionality is designed in accordance with prevailing electrical safety requirements, supporting NEC-driven protection needs where required. Always confirm compatibility and local code compliance prior to installation.
  

Where It Works Best

• Residential branch circuits requiring both arc-fault and ground-fault protection
• Kitchens and laundry areas
• Bedrooms and living spaces
• Bathrooms and finished basements
• Home offices and general receptacle circuits
• Light commercial tenant improvements