2016 hot sale greenhouse hps and mh double ended electronic ballast with fan

           2016 hot sale greenhouse hps and mh double ended electronic ballast with fan

277V grow light ballast for DE bulb 

Innovative revolutinary designed with unique circle cooling structure and push-pull fixture, provide best cool feeling.

Manual dimmable at 50%,75%,100%(110% super lumen optional ),effectivly accelerate plant growth.

UL, CUL, FCC guarantee

3 years real quality warranty .

277v Ballast Features: 

1) Run at 100%, 75% or 50% power(110% super lumen available)

2) Strike both Metal Halide Bulbs, High Pressure Sodium Bulbs and double ended lamps

3) Input AC 247v/277v/347v three options

4) 50 Hertz to 60 Hertz

5) Runs 15% cooler than other brand digital ballasts on the market

6) High Power Factor of 99.9%

7) The most stable output frequency of any ballast

8) Higher lumen output than magnetic ballasts on the market 

9) Customized label ,package, color of ballast available 

277v Ballast Parameters:

Input :247v/277v / 347v/   50/60hz 

PF>0.99   THD ≤ 10%  CF ≤ 1.7

Imax = 247V/4.6A     277V/4.3A     347V/3.5A 

Ta = 30°c    Tc= 70°c

400w,600w,1000w Electronic Ballast with Fan (with super lumens)

Certificate