According to my experience this Q40 replacement circuit breaker is a top-notch product... It is well-manufactured by Connecticut Electric, ensuring durability and reliability. As an industrial and scientific professional, I appreciate that it provides excellent circuit protection, preventing any electrical mishaps. However, the one downside is its high price point, which may not be feasible for everyone in the market. Nevertheless, if you are looking for a high-quality replacement circuit breaker, this product is worth considering..