difference between m57 and m58 ballast

[Drake1]

what is the difference between m57 and m58 ballast?
thanks jeff

 

[coyoteseven]

M57 fires the 175w probe start MH single end bulb

M58 fires the 250w probe start MH single end bulb


This thread is 'stickied" to the top of this forum... you may wish to give it a read for further info:

Metal Halide-Bulb and Ballast FAQ Info Here!

HTH