The Airpax 209 series hydraulic magnetic circuit protectors offer a robust solution for branch circuit applications, combining power switching with accurate and reliable circuit protection in a compact, single or multi-pole unit. Utilizing the hydraulic-magnetic principle, these protectors adapt to local environments and minimize nuisance tripping due to temperature variations. They are suitable for a wide range of applications, including EDP, air conditioners, panel boards, and lighting controls, and can withstand high pulses without affecting normal delay curves. Available in various configurations and terminal styles, the 209 series provides versatility and adaptability for diverse industrial needs.