The AIRPAX / SENSATA 209 series hydraulic magnetic circuit protectors offer a compact and reliable solution for branch circuit protection. These circuit breakers combine power switching with accurate protection, making them ideal for a wide range of applications including EDP, air conditioners, panel boards, and lighting controls. Utilizing the hydraulic-magnetic principle, the 209 family adapts to various environments, minimizing nuisance tripping due to temperature variations. The inertial delay feature is standard for 50/60Hz units, providing enhanced protection against inrush currents from transformers and lamps. Available in various configurations and terminal styles, the 209 series provides a versatile solution for diverse industrial needs.