SPD12181 is an 18W switching power supply designed for DIN rail mounting in automation applications. It features a universal AC input voltage range of 90-264VAC (or 120-375VDC), delivering a regulated +12VDC output at 1500mA with typical efficiency of 77%. The unit includes built-in short circuit and overload protection, LED indicators for DC power ON and DC low conditions, and an internal input filter. With compact dimensions of 90 x 22.5 x 114mm and a weight of 150g, it is CE, TUV approved and cULus Listed, making it suitable for industrial automation systems requiring reliable and compact power conversion.