Voltcraft fixed voltage linear power supply bench voltcraft fsp 11312 the voltcraft fsp 11312 is a 165w fixed voltage linear power supply suitable for use in laboratories workshops and industry the fsp 11312 is electronically regulated and produces 138v dc and 12a with a current limiter its steel plate enclosure makes the fsp 11312 suitable for use even in demanding industrial conditions voltcraft fsp 11312 fixed voltage power supply