Power supply cover + Entry I/O switch + digital VA meter

Power supply cover which is combined with a Entry I/O switch and a digital VA meter.
Power supply Bmax = 116 mm ; Hmax = 49 mm.
PLA wall thickness 3 mm.
Fitts several models Power Supply as from RepRapWorld models: POWER-S25024-24V; POWER-S25012-12V30A; POWER-S25012-12V