Protect people and property with the Siemens 20A Arc Fault Single Pole Circuit Breaker. This plug-in AFCI delivers intelligent arc-fault protection, automatically detecting dangerous arcing and interrupting power to reduce the risk of electrical fires. Built for versatile residential use, it supports 120/240V systems, operates as a single-pole breaker, and is suitable for both indoor and outdoor installations, making it an ideal upgrade for bedrooms, living areas, and renovation projects.
Key Benefits
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Arc Fault Protection: Detects arcing faults—whether from loose connections or damaged wiring—and trips the circuit to stop hazardous events before they start.
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20 Amp Capacity: Designed for general circuits that require reliable protection without sacrificing performance.
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Single-Pole, 120/240V: Versatile for typical residential layouts, handling standard 120V circuits with robust protection.
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Plug-In Mounting: Quick, tool-free installation into compatible panels for faster upgrades and retrofits.
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Compact Footprint: Narrow 1 inch width with a 3 inch depth and 3.25 inch height, easing panel spacing and replacement in crowded boxes.
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Indoor and Outdoor Use: Rated for installations in a variety of environments, expanding where you can add AFCI protection.
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CSA Listed; UL Listed: No: Meets CSA standards while noting it is not UL-listed, offering reliable performance within listed specifications.
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Retail Packaging: Carded packaging supports easy, visible retail display for quick identification and purchase.
Why it matters
Arc faults are a leading cause of home fires. The Siemens 20A Arc Fault Single Pole Circuit Breaker shifts the risk by monitoring electrical signatures for dangerous arcing and cutting power immediately. This isn’t just about meeting code—it's about peace of mind for everyday spaces where family and electronics demand reliable, smart protection.
Use cases and ideal buyers
- Upgrading existing circuits in living rooms, bedrooms, and home offices to add AFCI protection where required by modern electrical codes.
- Renovating older panels to introduce arc-fault safety without a full panel replacement.
- New construction projects needing compliant, plug-in AFCI protection on general-purpose circuits.
- Property managers seeking durable, CSA-listed AFCI breakers for mixed indoor/outdoor installations.
Specifications at a glance
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Mounting Type: Plug-In
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Number of Poles: Single Pole
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Product Type: Circuit Breaker
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Arc Fault Protection Type: Arc Fault (AFCI)
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Amps: 20
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Volts: 120/240
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Width: 1 in
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Height: 3.25 in
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Depth: 3 in
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Indoor/Outdoor: Indoor and Outdoor
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UL Listed: No
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CSA Listed: Yes
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Packaging: Carded
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Brand: Siemens
