LELK1-1REC4-30326-80 is a hydraulic magnetic circuit protector from the AIRPAX LEL series, providing low-cost power switching, reliable circuit protection, and accurate circuit control. This unit features a series configuration with an integrated 1REC4 auxiliary switch for status indication. The LEL series is VDE approved to VDE 0660, part 101, and meets international standards for equipment protection. The circuit protector supports various voltage and frequency configurations including DC and 50/60Hz AC applications, with multiple delay curve options available. Common applications include industrial equipment, power distribution systems, and control panels where reliable overcurrent protection is required.