The AIRPAX/Sensata LELK1-1RS4-30452-100 is a hydraulic magnetic circuit protector offering low-cost power switching, reliable circuit protection, and accurate circuit control for international equipment. These protectors are UL listed, CSA certified, and CCC approved, meeting various industry standards. Available in single or multi-pole versions with a range of configurations, they are suitable for applications like polyphase circuits, single-phase three-wire systems, and electrically isolated circuits. The auxiliary switch, offered with gold or silver contacts, enhances functionality for SELV and hazardous voltage applications.