The Square D QO115DFC is a single-pole dual-function circuit breaker that combines arc-fault and ground-fault protection in one compact device. Designed for residential and light-commercial electrical panels, this breaker protects 120-volt circuits from overloads, arc faults, and ground faults while fitting neatly into standard QO load centers with a single-space footprint. It addresses critical electrical safety concerns by integrating Combination Arc Fault Interrupter (CAFCI) technology with Class A ground-fault protection, eliminating the need for separate protective devices and simplifying panel layouts.
This breaker is ideal for protecting lighting circuits, receptacle circuits, and small-appliance loads. Its thermal-magnetic trip mechanism provides precise overload response, while the integrated arc-fault detection actively monitors wiring conditions to reduce the risk of fires caused by hidden defects. The plug-in connection style makes installation straightforward, and the time-saver diagnostics feature indicates the type of fault that last occurred on the circuit, helping electricians and homeowners quickly diagnose electrical issues.
Features and Benefits
- Dual-Function Protection: Combines CAFCI arc-fault and Class A ground-fault protection in a single unit, saving space and reducing panel complexity.
- Time-Saver Diagnostics: Displays the type of fault that last occurred on the circuit, making troubleshooting faster and more accurate.
- Single-Pole, 1-Space Design: Optimizes panel real estate, allowing more circuits in the same load center without sacrificing protection.
- Thermal-Magnetic Trip: Delivers precise and reliable response to overloads and short circuits across 120-volt systems.
- Plug-In Connection: Easy installation with a simple plug-on connection to QO load centers.
- Square D Reliability: Trusted brand reputation with clear trip indicators and dependable performance in residential and light-commercial applications.
Specifications
- Brand: Square D
- Model: QO115DFC
- Amperage: 15 Amps
- Poles: 1
- Voltage: 120V
- Trip Type: Thermal Magnetic
- Connection Style: Plug-In
- Protection: Combination Arc Fault (CAFCI) and Ground Fault (Class A)
- Footprint: Single-space
- Diagnostic Feature: Time-saver diagnostics
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