Operating at altitudes up to 5,000 m from universal 90–264 Vac input, enclosed AC/DC switching power supplies of TM1100 series can deliver 1,100 W continuous output power and 1,250 W peak (170–260 Vac input for 10 sec at 35% duty cycle). Active efficiency is 87%, and MTBF (minimum) is 300,000 hr at full load at 25°C ambient. Measuring 9.25 x 5.91 x 2.4 in., these 7 standard single, 24–48 V power supply models offer 0.98 power factor and 5 V standby power output.