Mean well 3000w single output switching power supply rsp 3000 series mean well rsp 3000 12 the mean well rsp 3000 12 is a 2400w single output power supply from the rsp 3000 series this acdc enclosed switching power supply has a low profile of 1u and is highly reliable it runs with an efficiency of up to 90 with forced air cooling by a built in dc fan the rsp 3000 12 is ideal for applications requiring energy savings no noise limited space for installation as well as economical costf