Fanuc Power Supply Module (PSM). Series 6077, 6081 PSM-R, 6087, 6091 high voltage. With over 19+ different Fanuc Alpha power supply modules in stock (thats 140 in group stock). If you require later generation Fanuc Alpha i Power Supplys with the designation PSMi or aiPS; please click here! CNC Electronics Inc carry 200V and 400V HV (high voltage) PSM’s.