--- product_id: 322194565 title: "20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker" price: "S$163" currency: SGD in_stock: true url: https://www.desertcart.sg/products/322194565-20a-120v-1-pole-tandem-cafci-type-qta-circuit-breaker store_origin: SG region: Singapore --- # 20A current rating LED trip indicators Plug-in mount for quick install 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker **Price:** S$163 **Availability:** ✅ In Stock ## Summary > ⚡ Power smarter, install faster, protect better. ## Quick Answers - **What is this?** 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker - **How much does it cost?** S$163 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/322194565-20a-120v-1-pole-tandem-cafci-type-qta-circuit-breaker) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Installation made effortless:** Load lug design and plug-in mount streamline setup for pros and DIYers alike. - • **Instant troubleshooting clarity:** LED trip indicators pinpoint faults fast, saving you valuable downtime. - • **Compact power with high endurance:** 10,000 AIC rating ensures robust protection in a smaller footprint. - • **Double the circuits, half the space:** One breaker feeds two circuits, optimizing panel space and reducing clutter. - • **Safety that’s code-compliant and future-ready:** Meets NEC 210.12 standards with full arc fault detection across all fault types. ## Overview The Siemens 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker is a space-saving, NEC-compliant safety device that feeds two circuits from one breaker. Featuring LED trip indicators and load lug design, it simplifies installation and troubleshooting while delivering robust arc fault protection with a 10,000 AIC rating. Ideal for modern load centers, it supports both new builds and renovations with plug-in or pigtail options. ## Description 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker - desertcart.com ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B092YSTMW9 | | Best Sellers Rank | #162,923 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Arc Fault Circuit Breakers | | Brand Name | SIEMENS | | Circuit Breaker Type | AFCI | | Current Rating | 20 A | | Customer Reviews | 4.4 4.4 out of 5 stars (99) | | Included Components | Instruction Guide, Circuit Breaker | | Item Dimensions D x W x H | 3.3"D x 1.1"W x 5.3"H | | Item Type Name | Siemens Q2020AFC 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker | | Item Weight | 6.4 ounces | | Manufacturer | Siemens | | Model | Q2020AFC | | Mounting Type | Plug-In Mount | | Number of Items | 1 | | Number of Poles | 1 | | Part Number | Q2020AFC | | UPC | 804766906541 | | Voltage | 120 volts | ## Product Details - **Brand:** SIEMENS - **Circuit Breaker Type:** AFCI - **Current Rating:** 20 A - **Mounting Type:** Plug-In Mount - **Product Dimensions:** 3.3"D x 1.1"W x 5.3"H ## Images ![20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker - Image 1](https://m.media-amazon.com/images/I/71bMnRO61+S.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: do the netural wires from the circut plug into this breaker? if so i only see one netrual comming off the breaker. how does this work?** A: See page 2 for the wiring diagram for both the pigtail and neutral version https://s3.amazonaws.com/dcc-data-extract/new-delta/asset/Compas/daily/Compas/Specification%20Sheet/SIE_SS_TandemCAFCI.pdf **Q: Is this siemens q2020afc breaker a br type breaker? if no, what type breaker is it?** A: The Q2020AFC is a Siemens type QTA tandem combination type AFCI breaker. See link below to product cut sheet. https://s3.amazonaws.com/dcc-data-extract/new-delta/asset/Compas/daily/Compas/Specification%20Sheet/SIE_SS_TandemCAFCI.pdf **Q: do you make a tandom afci/gfci breaker?** A: No not yet only the AFCI combo https://s3.amazonaws.com/dcc-data-extract/new-delta/asset/Compas/daily/Compas/Marketing%20Flyer/SIE_IG_TandmAFCI.pdf **Q: Can i use the breakers on this siemen g3040l1200cusg** A: Yes, you can. First time I installed one I had a hard time figuring out where to land the neutral wire and it turned out both neutrals and the the neutral pigtail goes on the neutral bar. Only the line wires go in the breaker. ## Frequently Bought Together - 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker - 15A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker - SIEMENS Q120DF 20-Amp Afci/Gfci Dual Function Circuit Breaker, Plug-in Load Center Style --- ## 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.sg/products/322194565-20a-120v-1-pole-tandem-cafci-type-qta-circuit-breaker](https://www.desertcart.sg/products/322194565-20a-120v-1-pole-tandem-cafci-type-qta-circuit-breaker) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-11-06*