2018 …
A Linear LED driver PSU /cont

Left: An internal view of the completed light-panel power-supply. I chose to provide an independent regulator per panel and each output is independently fused. The TIP112s and mounted on the heat-sink. Although TO220 devices, the TL783s and TIP30Cs do not get more than slightly warm, so no need to heat-sink them.

Left: This is the bank of switches which originally switched the individual SMPS units. I rewired it such that one switch applies mains to the PSU whilst the remaining three switches apply the 60V DC to the individual panels.