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. They are available in single, two, three, and four-pole configurations, with options for series, shunt, and relay designs. These protectors are UL listed, CSA certified, and meet various international standards, making them suitable for a wide range of industrial applications including polyphase circuits and single-phase three-wire systems. The auxiliary switch is offered with either gold or silver contacts and is available when a series construction pole is specified.