The Airpax/Sensata 209 series hydraulic-magnetic circuit protectors offer a compact and reliable solution for branch circuit protection. Utilizing the hydraulic-magnetic principle, these protectors adapt to various environments and minimize nuisance tripping due to temperature fluctuations. They are ideal for applications requiring both power switching and protection, such as EDP systems, air conditioners, panel boards, and lighting controls. The 209 family is available in various configurations and terminal styles to meet diverse application needs, and withstands high pulses without tripping.