The AIRPAX / SENSATA 229D-2-22600-4 is a hydraulic magnetic circuit protector within the 209 series, offering a combination of power switching and reliable circuit protection in a compact, single or multi-pole unit. Ideal for branch circuit applications such as EDP, air conditioners, panel boards, and lighting controls, this protector adapts to local environments and minimizes nuisance tripping due to temperature variations. It withstands high pulses without affecting normal delay curves, making it a versatile solution for various industrial needs.