SPD48301 is a 30W switching power supply designed for DIN rail installation in industrial automation applications. It features a universal AC input range of 85–264 VAC with a 48VDC output at 625 mA, delivering high efficiency of 83% minimum and 86% typical. The unit includes comprehensive protection features such as short circuit protection with fold-forward current limiting, overload protection at 110–140%, and overvoltage protection with a varistor (60–66 VDC range). Additional capabilities include a Power OK output, LED indicator for DC power status, and compliance with Class 2 output standards. The compact design with dimensions of 90 × 40.5 × 114 mm and weight of 270g makes it ideal for space-constrained automation systems requiring reliable, regulated power with multiple safety certifications including CE, TUV, UL, and cUL approval.