--- product_id: 681526757 title: "Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black" brand: "siemens" price: "€ 172.86" currency: EUR in_stock: true category: "Siemens" url: https://www.desertcart.pt/products/681526757-siemens-q120dfn-20-amp-1-pole-dual-function-cafci-gfci store_origin: PT region: Portugal --- # 20 Amp high capacity Plug-On Neutral for easy install Dual Function AFCI/GFCI protection Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black **Brand:** siemens **Price:** € 172.86 **Availability:** ✅ In Stock ## Summary > 🛡️ Power up your home safety with Siemens’ smartest circuit breaker yet! ## Quick Answers - **What is this?** Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black by siemens - **How much does it cost?** € 172.86 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/681526757-siemens-q120dfn-20-amp-1-pole-dual-function-cafci-gfci) ## Best For - siemens enthusiasts ## Why This Product - Trusted siemens brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Function Safety Shield:** Combines 5mA GFCI and combination AFCI to protect your home from arc and ground faults simultaneously. - • **Robust 20 Amp Power Handling:** Supports up to 20 Amps at 240 Volts, perfect for modern home electrical demands. - • **UL Listed & 10,000 AIC Rated:** Certified for top-tier safety and durability, giving you peace of mind in every circuit. - • **First-in-Class Self-Test Feature:** Automatically verifies breaker functionality, ensuring continuous, reliable protection without manual checks. - • **Effortless Plug-On Neutral Installation:** Say goodbye to pigtails—streamline your wiring with a sleek, single load lug design. ## Overview The Siemens Q120DFN is a 20 Amp, 1-pole dual-function circuit breaker combining AFCI and GFCI technologies for comprehensive electrical fault protection. Designed for Plug-On Neutral load centers, it eliminates the need for pigtails, simplifying installation. Featuring a self-test function and UL listing with a 10,000 AIC rating, it delivers advanced, reliable safety for modern homes. ## Description Siemens introduces the new simple, spacious and secure Plug-on neutral load centers with electronic breakers. The dual-function circuit breaker combines class A 5mA GFCI and combination type AFCI, protecting against both arc faults and ground faults. This, along with the new self-test feature, makes it the first in class in electrical safety for homeowners. This Dual Function circuit breaker is the same, reliable design, without the pigtail, specifically designed for the Plug-On Neutral Load Centers. Simple, Spacious, Secure. The Siemens Plug-On Neutral Combination Type AFCI breaker detects arcing faults (an unintentional arcing condition in a circuit) that standard circuit breakers are unable to detect. This AFCI circuit breaker is the same, reliable design, without the pigtail, specifically design for the Plug-On Neutral Load Centers. These breakers now only have a single load lug. The branch neutral conductor is returned to the neutral terminal bar for simpler and quicker wiring. ## Features - Simply installs like any other breaker, now without the pigtail - 10,000 AIC - HACR and SWD rated - UL Listed ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Y5D8N71 | | ASIN | B08Y5D8N71 | | Brand Name | SIEMENS | | Circuit Breaker Type | AFCI | | Current Rating | 20 Amps | | Customer Reviews | 4.6 4.6 out of 5 stars (311) | | Customer reviews | 4.6 4.6 out of 5 stars (311) | | Date First Available | 17 April 2024 | | Included Components | Circuit Breaker, Instruction Sheet | | Item Type Name | Siemens 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker | | Item Weight | 0.25 Pounds | | Item model number | Q120DFN | | Manufacturer | Siemens | | Manufacturer | Siemens | | Model | Q120DFN | | Mounting Type | Plug-In Mount | | Number of Poles | 1 | | Part Number | Q120DFN | | Product Dimensions | 7.62 x 2.54 x 8.89 cm; 113.4 g | | UPC | 804766906596 | | Voltage | 240 Volts | ## Product Details - **Brand:** SIEMENS - **Circuit breaker type:** AFCI - **Current rating:** 20 Amps - **Mounting type:** Plug-In Mount - **Number of poles:** 1 ## Images ![Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black - Image 1](https://m.media-amazon.com/images/I/71cs-17Ti1L.jpg) ![Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black - Image 2](https://m.media-amazon.com/images/I/71uc5U5LZtL.jpg) ![Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black - Image 3](https://m.media-amazon.com/images/I/71v5aLI9kHL.jpg) ![Siemens Q120DFN 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black - Image 4](https://m.media-amazon.com/images/I/71u6NKQS8ML.jpg) ## Questions & Answers **Q: Is the description accurate, indicating 240 volts? The picture of the breaker shows 120.** A: No the breaker is single pole 120v **Q: Is this compatible with a GE panel?** A: No. Siemens has not listed these for use in GE equipment. You would need to contact GE to determine if they have approved this Siemens breaker for use in their specific panel. **Q: I need 8 Q115dfn and 11q120dfn breakers. Do you offer any bulk pricing?** A: Thank you for contacting Siemens we do not have bulk pricing options for these breakers. **Q: Has the nuisance tripping issue been resolved?** A: I don’t know about that, but I’ve been selling this breaker for two years, and I never had any problems with the tripping ## Frequently Bought Together - 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker - 15 Amp 1-Pole Combination Type AFCI Plug-On Neutral Circuit Breaker - Siemens Q115DFN 15 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/681526757-siemens-q120dfn-20-amp-1-pole-dual-function-cafci-gfci](https://www.desertcart.pt/products/681526757-siemens-q120dfn-20-amp-1-pole-dual-function-cafci-gfci) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-08*