This Galaxy Select-A-Watt ballast can operate a 600 watt lamp at 400 watts, and Turbo Charge a 600 watt lamp. This ballast will properly drive 400 watt HPS / MH and 600 watt HPS lamps. Set the desired wattage on the Select-A-Watt dial and install the correct lamp.
Galaxy Grow Amp ballasts come pre-wired with a Sun System lamp cord receptacle. They are compatible with all Sun System branded reflectors. Includes a 6 foot 120 volt power cord. Purchase a 240 volt power cord separately
A 600 watt lamp can be dimmed down to 400 watts. Do not operate a 400 watt lamp with the switch in the 600 watt or Turbo Charge position. The Turbo Charge setting is designed for 600 watt lamps only.
This ballast offers ultra low RFI broadband emissions.Specifications:
- Extremely efficient
- ETL listed
- Operates 400 watt HPS/MH and 600 HPS lamps
- Soft starting (easier on the lamp)
- Extruded aluminum housing
- Fan cooled for superior thermal management
- Very quiet and limited vibration
- Voltage: 120 or 240
Item Number: 138947
Universal Product Code: 847127003909
Manufacturer: Sunlight Supply
Manufacturer's Part Number: 902215