The AIRPAX / SENSATA 209, 219, 229, and 249 series hydraulic magnetic circuit protectors offer a versatile solution for branch circuit protection. These circuit breakers combine power switching with accurate and reliable protection in a compact, single or multi-pole unit. Utilizing the hydraulic-magnetic principle, they adapt to local applications and environments, minimizing nuisance tripping due to temperature variations. The 229 series is specifically designed for supplementary protector applications and complies with UL Standard 1077. They are suitable for a wide range of industrial applications, including EDP, air conditioners, panel boards, and lighting controls.