QF240A - 40 Amp Circuit Breaker

QF240A - 40 Amp Circuit Breaker

The QF240A is a 40 amp, 2-pole Type QPF2 ground fault circuit breaker designed to provide dependable overcurrent protection while helping safeguard people against electrical shock with Class A Ground-Fault Circuit Interruption (GFCI) at 5mA. Engineered for 120/240VAC electrical systems with a 10kA A.I.C. rating, this plug-on circuit breaker is well-suited for applications that require GFCI protection in accordance with electrical code requirements. Its HACR rating also makes it appropriate for heating, air conditioning, and refrigeration equipment where permitted. Built with a convenient plug-on design, the QF240A installs efficiently into compatible load centers, helping electricians and maintenance professionals minimize installation time while maintaining reliable circuit protection. Whether you're replacing an existing breaker or completing a new installation, this breaker delivers the performance and safety expected in residential and light commercial electrical systems.

Key Features and Benefits

• 40 Amp rating: for reliable branch circuit protection.
• 2-pole configuration: for use on 120/240VAC circuits.
• Type QPF2 design: for compatibility with designated load centers.
• Class A Ground-Fault Circuit Interruption (5mA): helps protect against ground faults that can present a shock hazard.
• 10kA A.I.C. rating: provides dependable interrupting capacity during fault conditions.
• Plug-on installation: allows for quick, secure mounting in compatible electrical panels.
• HACR rated: for approved heating, air conditioning, and refrigeration applications.
• Combines overcurrent protection and GFCI protection: in a single device, helping simplify electrical system design.
  

Technical Specifications

• Part Number: QF240A
  
• Type: QPF2
  
• Amperage: 40 Amps
  
• Poles: 2
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA
  
• Ground Fault Protection: Class A GFCI (5mA)
  
• Mounting Style: Plug-On
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 4.56 in.
  • Width: 2.00 in.
  • Depth: 2.50 in.

Material Compliance and Certifications

• HACR Rated: for qualifying heating, air conditioning, and refrigeration equipment applications.
• Class A Ground-Fault Circuit Interruption (5mA): provides personnel ground-fault protection where GFCI protection is required.
• Manufactured to Meet Applicable Industry Standards: for molded case circuit breakers and ground-fault protection devices for its product classification.
  

Where It Works Best

• The QF240A is an excellent choice for residential and light commercial electrical systems that require both overcurrent protection and Class A GFCI protection. It is commonly used on circuits serving equipment or locations where ground-fault protection is required, including garages, outdoor installations, workshops, spas, hot tubs, and other wet or damp environments when installed in accordance with applicable electrical codes. Its HACR rating also makes it a practical solution for compatible HVAC and refrigeration equipment, delivering reliable protection while helping maintain safe, efficient electrical operation.