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/or 50/60Hz or 400Hz versions. They are suitable for applications requiring robust protection and control in diverse electrical systems, including polyphase circuits and single-phase three-wire systems. The multi-pole units feature internally coupled trip mechanisms, ensuring simultaneous opening of all poles in the event of a fault.