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Built for top performance & reliability! Hydrofarm’s Phantom Ballast includes 250W/400W switching capability, state-of-the-art technology, an extruded aluminum body with cooling fins, and optional vertical positioning or hanging for even more efficient cooling. Ships complete with a “Universal Reflector Adapter” so it accommodates lamp cords from most manufacturers.
• Internal RF protection
• Only ballast on the market designed for vertical operation
• Dimmable — saves energy in 3 low light situations
• Runs both MH & HPS bulbs
• Dual voltage – 120/ 240 volt (also generator ready!)
• 3-year warranty
Available size: 250W/400W (Output wattage is selected using a recessed switch on the rear panel.)
Instruction Manual (PDF)
When starting a cool lamp, this product will apply 100% power for 15 minutes to properly heat the gasses in the lamp. The dimming feature will not operate during this initial start-up period.