---
product_id: 12929127
title: "Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob"
brand: "square d"
price: "$39.97"
currency: USD
in_stock: true
reviews_count: 9
category: "Square D"
url: https://www.desertcart.us/products/12929127-square-d-qob120-bolt-on-circuit-breaker-20a-1-pole
store_origin: US
region: United States of America
---

# 20A high current capacity 10kA interrupting rating for safety Bolt-on mounting for secure fit Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob

**Brand:** square d
**Price:** $39.97
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up with confidence — the breaker that means business!

## Quick Answers

- **What is this?** Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob by square d
- **How much does it cost?** $39.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/12929127-square-d-qob120-bolt-on-circuit-breaker-20a-1-pole)

## Best For

- square d enthusiasts

## Why This Product

- Trusted square d brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact 1-Pole Design:** Saves panel space while delivering robust performance.
- • **Trusted Square D Quality:** Backed by Schneider Electric’s industry-leading reliability.
- • **Reliable 20 Amp Power Control:** Handles your home or office circuits with precision and ease.
- • **Bolt-On Mounting for Stability:** Ensures a secure, vibration-resistant installation every time.
- • **High 10kA Interrupting Capacity:** Protects your electrical system from dangerous surges and faults.

## Overview

The Square D QOB120 is a 1-pole, 20-amp miniature circuit breaker designed for 120/240V systems. Featuring a bolt-on mount and a 10kA interrupting rating, it offers reliable protection against electrical faults. Ideal for residential and light commercial use, this compact breaker combines trusted Square D quality with easy installation and robust performance.

## Description

QO Miniature Circuit Breaker 20A 1P 120/240V 10kA Bolt-on Mount

Review: Great to find this was the problem and not the ... - Replaced the same model (very old) and it fixed a false trip issue I was having on a microwave circuit. Great to find this was the problem and not the wiring or device.
Review: It does the job. - It took a little long to get to me, but it worked.

## Features

- 1-Pole
- 120/240V
- 10kA
- Miniature Circuit Breaker
- 1-Pole, 20-Amps, 120/240-Volts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005AZHIEQ |
| Best Sellers Rank | #176,286 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #117 in Miniature Circuit Breakers |
| Brand Name | Square D |
| Circuit Breaker Type | Standard |
| Current Rating | 20 Amps |
| Customer Reviews | 4.3 4.3 out of 5 stars (47) |
| Included Components | 1 breaker |
| Item Weight | 2.46 Ounces |
| Manufacturer | Schneider Electric Group |
| Model | 1H824 |
| Mounting Type | Bolt-On Mount |
| Number of Poles | 1 |
| Part Number | QOB120 |
| UPC | 785901416722 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |

## Product Details

- **Brand:** Square D
- **Circuit Breaker Type:** Standard
- **Current Rating:** 20 Amps
- **Mounting Type:** Bolt-On Mount
- **Number Of Poles:** 1

## Images

![Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob - Image 1](https://m.media-amazon.com/images/I/711cjO39NQL.jpg)
![Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob - Image 2](https://m.media-amazon.com/images/I/71RhlOXFsWL.jpg)
![Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob - Image 3](https://m.media-amazon.com/images/I/71DnrHGRdhL.jpg)
![Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob - Image 4](https://m.media-amazon.com/images/I/71bb8l8gR8L.jpg)
![Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob - Image 5](https://m.media-amazon.com/images/I/61oKiTU-q1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great to find this was the problem and not the ...
*by C***S on May 8, 2018*

Replaced the same model (very old) and it fixed a false trip issue I was having on a microwave circuit. Great to find this was the problem and not the wiring or device.

### ⭐⭐⭐⭐ It does the job.
*by C***E on May 8, 2025*

It took a little long to get to me, but it worked.

### ⭐⭐⭐⭐⭐ Five Stars
*by L***G on July 30, 2018*

Great price, fast shipping, exactly what I needed.

## Frequently Bought Together

- Square D QOB120 Bolt On Circuit Breaker, 20A, 1 Pole, Qob
- Square D QOB115 Bolt On Circuit Breaker 1P 15 Amp 120/240Vac/48Vdc
- Square D - QOB230CP 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.us/products/12929127-square-d-qob120-bolt-on-circuit-breaker-20a-1-pole](https://www.desertcart.us/products/12929127-square-d-qob120-bolt-on-circuit-breaker-20a-1-pole)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*