The AIRPAX/SENSATA IAL/CEL/LEL series hydraulic magnetic circuit protectors offer low-cost power switching, reliable circuit protection, and accurate circuit control for equipment in the international marketplace. These protectors are available in single, two, three, and four-pole configurations, with options for series, shunt, and relay designs. They meet various international standards and approvals, including UL, CSA, CCC, VDE, and IEC. The IEL models are UL recognized as supplementary protectors, providing a versatile solution for diverse industrial applications, including polyphase circuits and single-phase three-wire systems. The availability of auxiliary switches with gold or silver contacts further enhances their functionality.