Powertron instruments offers smps ranging from 10w to 1200w and come in a wide variety of open frame, enclose type, chassis mounting, din rail with total custom build solution. single output series specifications : ac input range : 90v to 270vac or 180v to 270vac � frequency : 47 � 63hz � dc output range : any output va rating or custom build � output ripple and noise : less than 1% � working temperature : -15o to 65oc � efficiency : better than 85% features : � universal ac input supply range � low leakage current