The HDR-30-12 is an AC-DC power supply. It features step shape plastic housing, accepts 85-264VAC input and provides 12V. Moreover, HDR family specially adopts the European Union standard DIN EN43880 and slim design that the height are all 90mm and the width are only 1SU~4SU (17.5mm/35mm/52.5mm/70mm) respectively, and further with low no load power consumption (<0.3W), high working efficiency (up to 91%), adjustable DC output voltage, wide working temperature range (-30~+70°C) characteristics. HDR whole family is Class II isolation level, passing LPS (Limited Power Source), conforming to EN61000-3-2 Class A (the norm the European Union regulates for harmonic current), and complying with complete safety regulations (UL60950-1, UL508, and EN61558-2-16). HDR family will become the first choice in building automation, household control system, industrial control system and the electro-mechanical apparatuses due to its supreme features, complete models and safety regulations with the competitive prices!