The Airpax/Sensata 209, 219, 229, and 249 series hydraulic magnetic circuit protectors provide robust circuit protection for a wide range of applications. These circuit breakers combine power switching with reliable protection in a compact, single or multi-pole unit, suitable for EDP, air conditioners, panel boards, and lighting controls. The hydraulic-magnetic principle adapts to local environments, minimizing nuisance tripping. Available with various configurations and terminal styles, these protectors offer flexibility for diverse industrial needs. The multi-pole versions feature common-trip construction, ensuring all poles trip simultaneously in case of an overload.