supply of supply of smps unit 24 volts dc control panel.supply of smps unit 24 volts dc control panel.,smps unit 24 volts dc control panel. - design, supply, of control panel unit containing 3 nos sm ps power supply units enclosed in polycarbonate enclosure with all connected safety accessories, indications & con trols dedicated for the high power led based 16w led pit/catwalk lights as per following specifications: 1. for each smps unit input voltage - 180 - 260v, 50hz single phase ac supply ; output voltage - 24 v dc supply +/-1% regulat ion-c. output current 10 a for each smps, protection from short circuit, over voltage protection, ripple => limited