# Q120 Circuit Breaker *Published: 2025-12-30 | Updated: 2025-12-30 | Source: https://shopsavvy.com/products/q120-circuit-breaker* --- **Brand:** SIEMENS **Price Range:** $3.99 - $63.45 across 142 retailers ## 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 ## Specifications | Attribute | Value | |-----------|-------| | model | Q120 | | mpn | Type QP Circuit Breaker | | weight | not specified | | brand | not specified | | manufacturer | not specified | | installation | Easy to install | | valueRating | Good value | ## Last Seen Prices | Retailer | Price | Availability | Last seen | |----------|-------|-------------|-----------| | [S&S Electrical Supply](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/yOLLIMvDQMRHchp2IU4i?source=shopsavvy&medium=product-page) | $3.99 | In Stock | 2023-07-18 (may have changed) | | [SuperBreakers.com](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/474a2f69-d868-ad99-cf53-04ae9cbff3c7?source=shopsavvy&medium=product-page) | $3.99 | In Stock | 2025-01-17 (may have changed) | | [retailers/simplybreakers](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/dLo5dTCGYzrMOpJORosy?source=shopsavvy&medium=product-page) | $4.06 | In Stock | 2025-12-30 (may have changed) | | [Dale Electric Supply Co.](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/ZPoG6VWv7o2VcX5JuzEF?source=shopsavvy&medium=product-page) | $5.10 | In Stock | 2022-08-13 (may have changed) | | [Clay County Farm Supply](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/RfizmWVdx4g7GUmHKthR?source=shopsavvy&medium=product-page) | $5.49 | In Stock | 2022-08-15 (may have changed) | | [Breaker Outlet](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/e447a862-02c4-e9c2-35d7-ec30dd3ff81e?source=shopsavvy&medium=product-page) | $5.60 | In Stock | 2025-01-17 (may have changed) | | [Shell Lumber and Hardware](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/CorefTfSAr8wGG4TDLQO?source=shopsavvy&medium=product-page) | $5.64 | In Stock | 2022-08-15 (may have changed) | | [Zoro Tools Industrial Supplies](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/2OPT90O8AHwFJPEtmv1s?source=shopsavvy&medium=product-page) | $5.89 | In Stock | 2022-08-15 (may have changed) | | [Hardware & Moreee](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/camOixb0NwLhgRkNjLPG?source=shopsavvy&medium=product-page) | $5.91 | In Stock | 2023-05-29 (may have changed) | | [The BuildClub](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/lQwiz4Zmcg6sAucA8GJu?source=shopsavvy&medium=product-page) | $5.93 | In Stock | 2022-08-15 (may have changed) | | [Cable Ranch](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/dGjin9dAGLXx9NutfNfq?source=shopsavvy&medium=product-page) | $5.99 | In Stock | 2022-10-09 (may have changed) | | [Bay Power](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/7f09b8e2-5820-3f83-c42f-d7f4a0a1416d?source=shopsavvy&medium=product-page) | $6.00 | In Stock | 2025-01-17 (may have changed) | | [Ideal True Value Home Center](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/TYQl5RDoAnFXiiT8LtA0?source=shopsavvy&medium=product-page) | $6.06 | In Stock | 2022-08-15 (may have changed) | | [Dale Electric Supply Co.](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/ePhXOQ9n5vzULBhV8evO?source=shopsavvy&medium=product-page) | $6.13 | In Stock | 2023-05-29 (may have changed) | | [SupremeDIY.com](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/NuAUNe0GSONWxhvEyzOX?source=shopsavvy&medium=product-page) | $6.20 | In Stock | 2023-05-29 (may have changed) | | [Surry General Store](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/1a4b1feb-9b4b-d912-cd3f-99496a1a0d00?source=shopsavvy&medium=product-page) | $6.22 | In Stock | 2025-01-17 (may have changed) | | [The BuildClub](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/3bfYU6tBoqnRlWNC0cDk?source=shopsavvy&medium=product-page) | $6.27 | In Stock | 2023-05-29 (may have changed) | | [Turtle & Hughes](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/k3z7eU3DlFfOcbAHLzdy?source=shopsavvy&medium=product-page) | $6.31 | In Stock | 2022-07-30 (may have changed) | | [retailers/buyriteelectric](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/kHjeoBZ5XdjryE7RyLjX?source=shopsavvy&medium=product-page) | $6.35 | In Stock | 2025-12-30 (may have changed) | | [SHC Supply](https://shopsavvy.com/api/redirect/products/lqhnqSEZyHIAY1yqFP5W/offers/pu42dE7wGqlHoMSqqDdX?source=shopsavvy&medium=product-page) | $6.37 | In Stock | 2023-05-29 (may have changed) | [See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/q120-circuit-breaker) --- *About this page: ShopSavvy compares prices across thousands of retailers, aggregates expert and user reviews, and tracks price history to help you make informed buying decisions. 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