UL60950-1, TUV EN60950-1 approved. cULus, CB, TUV. A cover kit is available for these power supplies see stock number ; 764-7085 764-7085 MTBF to MIL-HDBK-217F (25°C) Derate power above 50°C. 3. Mean Well EPS-45 Series 45W AC-DC Open Frame Miniature Switch Mode Power Supply. EPS-45 series 45W AC-DC open frame single output miniature switch mode power supply with a 24mm low profile, compact design and a PCB structure for installation directly into system chassis. These EPS-45 series 45W AC-DC open frame power supplies have a universal 90 to 264Vac input, a high efficiency of up to 90% allowing free air convection cooling from -30 to +70 and a low no load power consumption of less than 0.3W. Typical applications for these EPS-45 series AC-DC open frame switch mode power supplies include factory automation, electrical or mechanical equipment and other applications where a low no load power consumption is required. Universal 90-264Vac input Low no load power consumption of ;0.3W High efficiency of up to 90% LED power-on indication Low profile of 28mm and compact 4" x 2" size Free air convection cooling Short circuit, overload and over voltage protection EMC compliance to EN55022 (CISPR22) Class B Harmonic current compliance to EN61000-3-2,-3