The AIRPAX / SENSATA 229-2-1-66-6-9-70 is a hydraulic magnetic circuit protector that combines power switching with accurate, reliable circuit protection in a compact single or multipole unit. It's ideal for branch circuit applications such as EDP, air conditioners, panel boards, and lighting controls. Utilizing the hydraulic-magnetic principle, the 229 family adapts itself to local applications and environments, minimizing nuisance tripping due to temperature variations. The protector withstands high pulses without affecting normal delay curves, offering robust protection for various industrial settings.