Nanolux Ballast OG 600W Electronic Ballast for Plant Growth Lights Nanolux Ballast OG 4-Stage Dimmable Ballast: 100%, 75%, 50%, Super-Lux Product Description The Nanolux ballast is an electronic ballast that can power HPS and MH lamps. Japanese specifications (100V), frequency is 50/60Hz, so it can be used throughout Japan. ■ Dimmable electronic ballast with 4 stages of dimming: 100%, 75%, 50%, and Super-Lux. NANOLUX OG series ■ The new safety device "Fan Safety Check System" activates the fan safety system when it detects abnormalities such as voltage drop or overcurrent, automatically stopping the operation of the Nanolux unit. This prevents damage to the unit and the lamp. ■ Nanolux's unique control "Soft Start Technology" and "Soft Dimming" to reduce the stress of rush current and protect the bulb. ■ "Random Start" reads the simultaneous lighting of multiple bulbs and shifts the start timing.