AIRPAX/Sensata IAL/CEL/LEL magnetic circuit protectors offer a cost-effective solution for power switching, circuit protection, and accurate circuit control in a wide range of equipment. These protectors are available in single, two, three, and four-pole configurations, with options for series, shunt, and relay designs. They are suitable for applications requiring UL, CSA, and CCC certifications, and are commonly used in polyphase circuits, single-phase three-wire systems, and electrically isolated circuits. The LEL models are UL listed, while IUL models are recognized under UL 1077. The CEL model features enhancements like a single-pole 125 amp rating with TÜV approval and a parallel four-pole version with a 400 amp rating.