The MEAN WELL GST18A28-P1J is a compact and efficient 18W desktop AC-DC power supply delivering a stable 28V DC output at 0.64A. Designed for industrial and consumer applications, it features a universal input range of 85–264VAC and achieves high efficiency (~89%) with convection cooling, ensuring silent operation. The unit is housed in a fully enclosed plastic case (93 x 54 x 36 mm) and offers full protection against short circuit, overload, and overvoltage conditions. It operates within a temperature range of –30°C to +70°C and is certified to international safety standards including UL, CE, and CB. The GST18A28-P1J is ideal for powering LED lighting, telecommunications equipment, and other devices requiring reliable and efficient power delivery.