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. Utilizing the hydraulic-magnetic principle, they adapt to local applications and environments, minimizing nuisance tripping due to temperature variations. The 219 variant is specifically designed for manual controller applications and complies with UL Standard 508. They withstand high pulses without tripping and are suitable for a wide range of industrial applications.