The AIRPAX/Sensata LELK1-1REC4-30326-90 is a hydraulic magnetic circuit protector offering a cost-effective solution for power switching, circuit protection, and control. These protectors are UL listed, CSA certified, and CCC approved, making them suitable for a wide range of applications in the international marketplace. Available in various configurations, including series, series with auxiliary switch, shunt, and relay options, they cater to diverse needs in both DC and AC power systems. The multi-pole units feature internally coupled mechanisms, ensuring simultaneous tripping of all poles in case of a fault, enhancing safety and reliability in polyphase circuits and other related applications.