The AIRPAX/Sensata 209/219/229/249/279 series hydraulic magnetic circuit protectors offer a robust solution for branch circuit protection. These circuit breakers combine power switching with accurate and reliable protection in a compact, single or multi-pole unit, making them ideal for applications such as EDP, air conditioners, panel boards, and lighting controls. Utilizing the hydraulic-magnetic principle, these protectors adapt to local environments and minimize nuisance tripping due to temperature variations. They are designed to withstand high pulses without affecting normal delay curves, ensuring consistent performance and protection. Available in various configurations and terminal styles, these protectors provide a versatile solution for a wide range of industrial applications.