---
product_id: 322194565
title: "20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker"
brand: "siemens"
price: "€ 173.69"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/322194565-20a-120v-1-pole-tandem-cafci-type-qta-circuit-breaker
store_origin: NL
region: Netherlands
---

# 20A Power 120V Voltage Quick Install 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker

**Brand:** siemens
**Price:** € 173.69
**Availability:** ✅ In Stock

## Summary

> 🔧 Power Up Your Safety Game!

## Quick Answers

- **What is this?** 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker by siemens
- **How much does it cost?** € 173.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/322194565-20a-120v-1-pole-tandem-cafci-type-qta-circuit-breaker)

## 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

- • **Space-Saving Design:** Maximize your panel efficiency with a tandem breaker that feeds two circuits.
- • **UL Listed Assurance:** Trust in a product that meets rigorous safety standards.
- • **Smart Troubleshooting:** LED trip indicators make identifying issues a breeze.
- • **Robust Safety Features:** Detects all three types of arc faults for ultimate protection.
- • **Versatile Compatibility:** Works seamlessly with Murray and legacy Siemens load centers.

## Overview

The Siemens 20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker is a compact and efficient solution for modern electrical needs. With dual circuit capabilities, LED indicators for easy troubleshooting, and robust arc fault detection, this breaker ensures safety and convenience in any load center.

## Description

20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker

## Features

- Includes (2) 1-Pole 20 Amp breakers
- One breaker feeds two circuits, saving on space and time
- LED trip indicators for ease of troubleshooting
- Load Lug(s) only, providing quick and easy installations
- Smaller load center needs, minimizing the need for sub-feeding panels
- Featured installed indicator flags disappear when the load wires are inserted correctly
- 10,000 AIC
- UL Listed
- Detects all three possible types of arc faults: line-to-ground, line-to-neutral and series arcs
- Pigtail style breakers can be used to meet extension and modification needs in Murray and legacy Siemens load centers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SIEMENS |
| Current Rating | 20 Amps |
| Voltage | 120 Volts |
| Product Dimensions | 3.3"D x 1.1"W x 5.3"H |
| Circuit Breaker Type | AFCI |
| Mounting Type | Plug-In Mount |
| Number Of Poles | 1 |
| Manufacturer | Siemens |
| Part Number | Q2020AFC |
| Item Weight | 1.21 pounds |
| Item model number | Q2020AFC |
| Color | Black |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Included Components | Instruction Guide, Circuit Breaker |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** SIEMENS
- **Current Rating:** 20 Amps
- **Product Dimensions:** 3.3"D x 1.1"W x 5.3"H
- **Circuit Breaker Type:** AFCI
- **Mounting Type:** Plug-In Mount

## Images

![20A 120V 1-Pole Tandem CAFCI Type QTA Circuit Breaker - Image 1](https://m.media-amazon.com/images/I/71bMnRO61+S.jpg)

## 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

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-23*