Q120 Circuit Breaker
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
S S&S Electrical Supply | $3.99 | Jul 18, 2023, may have changed | Buy Now |
S SuperBreakers.com | $3.99 | Jan 17, 2025, may have changed | Buy Now |
S simplybreakers | $4.06 | Dec 30, 2025, may have changed | Buy Now |
D Dale Electric Supply Co. | $5.10 | Aug 13, 2022, may have changed | Buy Now |
C Clay County Farm Supply | $5.49 | Aug 15, 2022, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 4 used & refurbished prices with ShopSavvy ProGet the app →Pros
- •Works perfectly and meets the 20-Amp rating without issues
- •Easy to install, suitable for both DIY and professional use
- •Durable, lasting over 5 years under continuous 17-amp load including startup surges
- •Performs reliably with RV applications, including powering a 13,900 BTU Dometic AC unit
- •Offers excellent value compared to big box and DIY stores
- •Long lifespan reduces the need for frequent replacements
- •Product matches the description accurately and provides consistent quality
- •Adding a backup breaker option adds an extra layer of security
- •Overall, highly satisfying purchase with no regrets reported
Cons
- •A small portion of units might be faulty or have inconsistent reliability across multiple purchases
Bottom Line
The Q120 20-Amp Single Pole Type QP Circuit Breaker is a solid choice if you want a durable, easy-to-install breaker that performs well in RV and transfer switch applications, especially with AC units like the Dometic 13900 BTU. While most users report excellent reliability and value, be aware that a small percentage of units may exhibit faults. If you want to ensure peace of mind, consider purchasing a spare breaker as a backup. Overall, this breaker delivers dependable performance that lasts, making it a smart, budget-friendly pick.
What Reviewers Are Saying
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Discussion
ShopSavvy compares prices across thousands of retailers so you always get the best deal. Prices are collected from retailer listings, and each one shows the date we last saw it. Our expert reviews and community discussion help you make informed buying decisions.