Our portfolio of circuit breakers offers thermal over-current trip-free and magnetic/hydraulic trip-free products. Our thermal protection circuit breakers are available as single pole and double pole, fixed time delay, and push-to-start reset or switch function and are temperature sensitive. We offer magnetic and hydraulic circuit breakers that are single or multi-pole (1, 2, 3, and 4-pole versions). These have a variety of time delays and circuit breaker switches functions and are side-by-side stackable. Filter by other categories like circuit breaker current rating and AC/DC voltage ratings. Our portfolio of circuit breakers switches includes products manufactured by Potter & Brumfield.