The panel's bus stabs need to match breaker type; incompatible breakers can loosen, arc, or fail
https://zandertjyq764.lumenforgex.com/posts/inside-the-electrical-panel-breakers-buss-bars-and-more
The panel's bus stabs must match breaker type; incompatible breakers can loosen up, arc, or fail, presenting fire threats and voiding maker guarantees and listings.