TF800/TF1500/TF3000 Industrial Power Supplies SL Power TF800/TF1500/TF3000 Industrial Power Supplies can operate multiple units to increase available power. These power supplies feature programmable output currents and voltages ranging from 0 to 105% of the nominal with a constant current limit. These power supplies are perfect for power-hungry applications such as automated test, semiconductor test/handlers, industrial imaging, and other applications needing reliable power in a compact form factor.