Mean Well’s HDR-30-24 is a 30W ultra-slim DIN rail power supply delivering 24VDC output with 1.25A rated current. It features a universal input voltage range of 85~264VAC (277VAC operational) and 120~370VDC (390VDC operational), with DC output voltage adjustability (21.6~29V). Designed with an ultra-slim 45mm width (3SU) and dimensions of 45x90x54.5mm, it mounts on TS-35/7.5 or 15 DIN rails, optimizing cabinet space. The unit includes isolation Class II, Over Voltage Category III, and free air convection cooling. It provides complete protections: short-circuit, overload, and over-voltage. Compliance with safety standards IEC 62368-1, UL 62368-1, and TUV EN 61558-2-16, as well as EMC standards EN 55032 (CISPR 32) and EN 61000 series, ensures global compatibility. With no-load power consumption <0.2W, efficiency >87%, and -30~+70℃ operating temperature range, it offers MTBF exceeding 100,000 hours and a 3-year warranty. Ideal for building automation, low-power industrial equipment, and smart home systems.