The AIRPAX / SENSATA 209 series hydraulic magnetic circuit protectors offer accurate 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, these protectors utilize the hydraulic-magnetic principle to adapt to various environments. They withstand high pulses without tripping and minimize nuisance tripping due to temperature variations, making them suitable for a wide range of industrial applications.