Siemens QA120AFCCSA 20-Amp 1-Pole Combination AFCI Breaker — Type QP
Siemens QA120AFCCSA 20-Amp 1-Pole Combination AFCI Breaker — Type QP
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Catches the Fault a Breaker Can't See.
The Siemens QA120AFCCSA 20-amp combination AFCI breaker protects the fault a standard breaker can't see — the arc. A loose terminal, a nicked cable behind drywall, or a cracked appliance cord can draw an arc that never trips a thermal-magnetic breaker but throws enough heat to start a fire, and combination arc-fault detection is what the Canadian Electrical Code requires on most living-area circuits in new and rewired work. Onboard electronics watch the current waveform and separate a genuine arc from the normal switching noise of dimmers, motors, and electronics, so a 20-amp kitchen or utility circuit holds through everyday operation and opens on a real fault. Type QP plug-in construction snaps into Siemens EQ, PL, and ES load centres, and the coiled pigtail neutral lands on the panel neutral bar in one clean run. A diagnostic indicator distinguishes an arc-fault trip from an overload, so troubleshooting starts with an answer instead of a guess. CSA-certified and UL-listed, sourced through verified Siemens supply — not the refurbished or counterfeit stock that circulates on open marketplaces — it protects a 20-amp branch circuit and asks nothing further of it.
Features
- Combination arc-fault protection — detects both series and parallel arcing faults that a standard breaker cannot sense, guarding against a leading cause of electrical fires
- Code-required for living areas — combination AFCI is mandated on most residential circuits in new and rewired work under the Canadian Electrical Code
- Arc-signature discrimination — onboard electronics separate a genuine arc from dimmer, motor, and electronics noise to reduce nuisance tripping
- Diagnostic trip indicator — distinguishes an arc-fault trip from a standard overload, so troubleshooting starts with an answer
- Type QP plug-in — snaps into Siemens EQ, PL, and ES load centres with a coiled pigtail neutral for a clean panel landing
- Rated for 20-amp branch circuits — kitchen, utility, and general receptacle runs wired with #12 copper
- Factory-authentic Siemens stock — verified supply chain, not refurbished or counterfeit marketplace breakers
Specifications
- Amperage: 20 A
- Poles: 1-Pole
- Voltage: 120V AC
- Interrupting Rating: 10 kAIC
- Breaker Type: Combination AFCI (CAFCI)
- Trip Mechanism: Thermal-Magnetic + Arc-Fault Detection
- Connection: Plug-In, Pigtail Neutral
- Wire Size Range: #14–#8 AWG (Cu) / #12–#8 AWG (Al)
- Compatible Panels: Siemens EQ, PL, ES series
- Certifications: CSA Certified, UL Listed
Warranty Information
