AIRPAX/Sensata IAL/CEL/LEL magnetic circuit protectors are designed for low-cost power switching, reliable circuit protection, and accurate circuit control in international markets. These protectors are available in a wide variety of configurations, including series, series with auxiliary switch, shunt, and relay options with various delays and ratings in DC, 50/60Hz, or 400Hz versions. They are suitable for applications requiring polyphase circuits, single-phase three-wire systems, or multiple electrically isolated circuits. The units are internally coupled, ensuring simultaneous opening of all poles in case of a fault. They meet various international standards including UL, CSA, CCC, VDE, and IEC, making them ideal for global equipment applications.