Edward, 3.5 HP times 746 watts per HP over 120 volts is over 21 amps. so they're probably lying about the hp, but you could sure pop a breaker if they aren't.
Absolutely no extension cords on this puppy. Tom On Wed, Oct 07, 2009 at 03:11:02PM -0400, Edward Przybylek wrote: > Hi all, > > > > I've been following this thread with much interest because we just purchased > a new treadmill. The unit has a 3.5 horsepower motor, is capable of a 12% > incline and has a top speed of 10 MPH. This discussion thread has concerned > itself with motors 2.5 HP and lower and whether there needs to be a concern > about breaker ratings. Given that this unit has a motor with 3.5 HP, are > there concerns I should be addressing? We use the treadmill for power > walking and I'm quite sure it will never see speeds much over 5 or 6 MPH. > We've had the incline up to 8 percent and I'm sure we'll have it up to the > 12% maximum before too long. We haven't popped a breaker yet but I just > want to be sure that there isn't something I should be doing just as a > precaution. Thanks. > > > > Take care, > > Ed Przybylek > > > > > > From: [email protected] [mailto:[email protected]] > On Behalf Of Tom Fowle > Sent: Wednesday, October 07, 2009 1:43 PM > To: [email protected] > Subject: Re: [BlindHandyMan] electric motor question > > > > > > David, > One Horsepower is generally considered to require about 750 watts. > so 2.25 HP will need a solid 1700 watts. This is probably a peak rating, > but none th less it must be on a 20 amp circuit that isn't used much. > > If you have a coule 200 watt outside lights on at the same time, it will > get very close to the max rating of a 20 amp circuit. > > tom > > > > > > [Non-text portions of this message have been removed] >
