277v 1000w hps dimmable ballast/ hid electronic ballast/ 1000 watt digital grow light ballast    

• 1000w  Dimmable: 600W/750W/1000W/Super lumens
  
• 600w Dimmable: 250W/400W/600W/Super lumens
• 400w Dimmable: 150W/250W/400W/Super lumens

     2. Features:

• Super Lumens - Boosts lumen output by 10% at the flip of the switch
  
• Has “soft-start” program to allow multiple ballasts to start at the same time
  
• 15% Cooler than other digital ballasts on the market
• Runs on 120 or 240 volt power, 50 hertz to 60 hertz
• Power factor of 99.9% lose fewer watts from the power supply to the lamp
• Works with both Metal Halide and High Pressure Sodium lamps
• External breaker system protects against power surges
• Come with an 8ft power cord
• ETL,CE,FCC,ROHS  are approved  

Ballast Package: 1 pc ballast in a box, 4 boxes in a carton

Ballast workshop:

double ended ballast 100+ khz               1000w double ended ballast