AIRPAX/Sensata IAL/CEL/LEL magnetic circuit protectors are designed to provide low-cost power switching, reliable circuit protection, and accurate circuit control for equipment in the international marketplace. These protectors are available in a wide variety of configurations, including series, series with auxiliary switch, shunt, and relay options, with choices of delays and ratings in DC and AC versions. They are suitable for use in polyphase circuits, single-phase three-wire systems, or in two or more electrically isolated circuits, offering a versatile solution for diverse industrial applications. The multi-pole units feature internally coupled trip mechanisms, ensuring simultaneous opening of all poles in the event of a fault.