Each switch controls one bulb.Works with Three-phaze power B-6123 SOFT LIGHT 1250W B-6111 SOFT LIGHT 5KW B-6110 SOFT LIGHT 2,5KW Product Code Stock Name Bulb Voltage Bulb Wattage Socket Volt B-6123 Soft Light 1250w 230 1250 R7S 220 B-6110 Soft Light 2,5 Kw 230 1250 R7S 12,00 kg 450*470*230 mm 220 B-6111 Soft Light 5 Kw 230 1250 R7S 20,00 kg 750*900*380 mm 380