MDR-40-12 is a MDR-40 series 40W single output industrial DIN rail power supply. It features universal AC input /full range. It includes short circuit, overload, over voltage protection. · Input voltage range from 85 to 264VAC, 120 to 370VDC, output DC voltage is 12V· Output rated current is 3.33A, output rated power is 40W, typical efficiency is 86%· Cooling by free air convection, class I, div 2 hazardous location T4· LED indicator for power on, DC OK relay contact· No load power consumption< 0.075W, 100% full load burn-in test· Working temperature range from -20 to +70°C· Dimension is (W x D x H) 40 x 90 x 100mm removed from working installation