LELHPK11-1REC4-30559-150 is a two-pole hydraulic magnetic circuit protector manufactured by Airpax/Sensata Technologies, designed for reliable power switching and circuit protection in international applications. This unit features one rocker handle per pole with integral mounting, series configuration with auxiliary switch (-1REC4), and is rated for up to 150 amperes at 65V DC. The protector provides accurate circuit control with selectable delay characteristics (short delay, long delay, or motor start options) and operates across multiple voltage and frequency standards including DC, 50/60 Hz, and 400 Hz applications. The device is VDE approved to VDE 0660 Part 101 and offers UL/CSA recognition, making it suitable for industrial equipment, power distribution systems, and motor control applications where dependable overcurrent protection and switching capability are essential.