Voltcraft ps 1440 linear rack mount programmable power supply voltcraft ps 1440 p the linear laboratory power supply serves as a potential free dc voltage source for the operation of small voltage consumptions up to the operating voltage with a maximum of 36v the connection is provided via high load screw terminals with 4mm sockets on the output the voltage can be adjusted from 0 to 36v and the current from 0 01a to 40a p p the settings for current and voltage are made via coarse and f