AIRPAX/Sensata LELHK11 series hydraulic magnetic circuit protectors are designed for low-cost power switching, reliable circuit protection, and accurate circuit control in a wide range of equipment. These protectors are UL listed, CSA certified, and CCC approved, meeting various international standards. Available in single, two, three, and four-pole configurations, they offer flexibility for diverse applications, including polyphase circuits and single-phase three-wire systems. The protectors feature internally coupled trip mechanisms, ensuring simultaneous opening of all poles in case of a fault. With options for series construction, auxiliary switches, and various ratings and delays, the LELHK11 series provides a comprehensive solution for industrial power protection needs.