Lumatek Dimmable Ballast Question

LouH

LouH
I want to purchase a couple of Lumatek 250/400W ballasts, but there is one piece of information that I can't seem to locate. Do you simply install a 400W bulb and have the ability to turn down the wattage to a low of 250 W, or is it simmply that you can run one bulb or the other, and that is your output? If it is the former, can you adjust the output anywhere between 250 and 400 watts (like 325 for example)?

Lou
 

ed4

Red Hot Spender
I want to add that you have the option to overdrive your bulbs by 10%.

250W -> 275W
400W -> 440W

As James said, I also would suggest not running a 400W bulb at either 250 or 275.
 
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