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120W – 240W DIN rail power supplies have narrow width, long field life


TDK-LAMBDA AMERICAS DRB series of ac-dc DIN rail mount power supplies includes 120W and 240W rated models with narrow width, allowing additional devices to be installed on the rail, saving cabinet space. The high 93% efficiency produces less internal waste heat enabling electrolytic capacitors to run cooler, extending field operating life to greater than 7 years at 75% load, 230Vac input. Rated for continuous operation at 120W and 240W, units can deliver a +20% peak load for up to 10 seconds. Products are available with a 24V output, adjustable from 24V to 28V and can accept an 85 to 264Vac input withstanding surges of up to 300Vac for 5 seconds. The operating ambient temperature is -25oC to +70oC, -40oC cold start, derating linearly above 55oC to 50% load at 70oC.


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