SunMaster Digital Ballast 250-660W - Adjustable Ballast

The SunMaster Hobby Digital Ballast 600 Watt offers the option of using 250, 400 and 600 watt MH or HPS lamps on the same ballast. Works with a 250 watt bulb up to 250 watts of power from the ballast. 400 watt bulb from 250 to 400 watt ballast and 600 watt bulb from 400 to 660 watt ballast. 600 watt bulbs, whether metal halide or sodium ion, can be boosted (amplified) to 660 watts. For optimal results we recommend it be used with the SunMaster range of lamps. The ballast can be used with lamps from all other manufacturers. Arrives ready to use, wired and packaged. It works silently and reliably.