This document describes the technical specifications and features of the Watts LCT43-E series power supply. The power supply is totally enclosed and has a universal input, quick installation, built-in EMI filter, low output ripple, and overvoltage and overload protection. It operates in a temperature range of 0° to 50°C, with a gradual decrease in output power at higher temperatures. The power supply meets the electromagnetic susceptibility requirements of IEC 1000-4, -2, -3, -4, -5, -6, 8, 11 Level 3. It is certified by UL, CSA, VDE, CB, and CE.