Voltcraft fixed voltage linear power supply bench voltcraft fsp 1243 the voltcraft fsp 1243 is a 72w fixed voltage linear power supply suitable for use in laboratories workshops and industry the fsp 1243 is electronically regulated and produces 24v dc and 3a with a current limiter its steel plate enclosure makes the fsp 11243 suitable for use even in demanding industrial conditions voltcraft fsp 1243 fixed voltage power supply