The Airpax/Sensata 209 series hydraulic-magnetic circuit protectors offer a robust solution for branch circuit protection. These breakers combine power switching with accurate, reliable protection in a compact, single or multi-pole unit, ideal for applications like EDP, air conditioners, panel boards, and lighting controls. Utilizing the hydraulic-magnetic principle, the 209 family adapts to local conditions, minimizing nuisance tripping. Available with various configurations and terminal styles, they provide a versatile solution for diverse industrial needs.