Voltcraft fixed voltage linear power supply bench voltcraft fsp 1122 the voltcraft fsp 1122 is a 25w fixed voltage linear power supply suitable for use in laboratories workshops and industry the fsp 1122 is electronically regulated and produces 12v dc and 2a with a current limiter its steel plate enclosure makes the fsp 1122 suitable for use even in demanding industrial conditions voltcraft fsp 1122 2a fixed voltage power supply