QO120DFC Circuit Breaker, Dual Function, 1-Pole, 20-Amp, 120V

The Square D QO120DFC is a single-pole circuit breaker that combines arc-fault and ground-fault protection in one compact device. Designed for 120V electrical systems, this dual-function breaker protects your home or business from both dangerous arcing events and ground faults that could cause fires or damage to appliances. By integrating CAFCI (combination arc-fault circuit interrupter) and Class A ground-fault protection, this breaker eliminates the need for separate arc-fault devices, saving valuable panel space while meeting modern electrical codes.

Whether you're protecting lighting circuits, small appliances, or dedicated outlets, this Square D breaker delivers dependable fault current interruption. The plug-in design fits seamlessly into any standard QO load center. The breaker includes a diagnostic feature that indicates the type of fault that last occurred on the circuit, helping you troubleshoot problems quickly.

Features and Benefits

• Dual-Function Protection: Combines arc-fault circuit interrupter (CAFCI) and ground-fault (Class A) protection in a single device for comprehensive electrical safety.
• Fault Diagnostics: Indicates the type of fault that last occurred on the circuit for easier troubleshooting.
• Single-Pole, Single-Space Design: Occupies just one pole in your load center, maximizing available space for other breakers.
• Thermal Magnetic Trip: Responds to overloads and short circuits for reliable protection.
• QO Load Center Compatibility: Plug-in connection designed to fit standard Square D QO load centers.

Specifications

• Brand: Square D
• Model: QO120DFC
• Poles: 1-Pole
• Amperage: 20 A
• Voltage: 120V
• Trip Type: Thermal Magnetic
• Connection: Plug-In
• Protection Type: CAFCI and Ground Fault (Class A)

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.