Mean well ndr series slimeconomical din rail psus with built in pfc mean well ndr 120 12 economical slimline single output power supply unit from the mean well ndr series suitable for din rail mounting and ideal for a range of industrial applications with a high working efficiency the unit can operate at ambient temperatures between 20 and 70degc under air convection mean well ndr 120 12 12v 120w slimeconomical din rail psu