Re: [CAD_CAM_EDM_DRO] VFD's

Thanks for the feed back Tim. I have looked at the specs for this as I
have seen it mentioned on this list before. For these particular models
you do not have to de-rate them.

Thanks for the link to Dealers Electric. I had visited their site a
while back, but now that I am ready to buy I could not remember their
name.

Thanks,

Mike

Tim Goldstein wrote:

>
> Check the specs. Many of the VFDs require you to derate them by 50% when run
> on single phase so that for a 3 hp application you would need a 6 hp or more
> VFD. I have never seen a 6 hp so you would go to a 7.5 hp.
>
> I have gotten the 3 units I have from http://www.dealerselectric.com/ and
> they are good to deal with and the lowest price I have found. Unless you
> have some very special requirement any brand that has the capacity you need
> will work fine for you.
>
> Tim
> [Denver CO]
> Sherline products at Deep Discount
> www.KTMarketing.com/Sherline
> ALL replacement parts now listed
>
> ----- Original Message -----
> >
> > I have been looking for a VFD for my mill which will take in 220v single
> > phase power, output 3 phase.
> >
> > These seem to be all over the map price wise (feature wise?).
> >
> >
> >
> > Has anyone used the VFD's from Leeson? Their lower end units seem to
> > have the basic features needed for a milling machine.
> >
> > These are the Speedmaster SM series. I have a 1.5 HP motor, but I was
> > thinking about buying the 3 HP units for future needs.
> >
> > Here are the model numbers and prices I have:
> >
> >
> >
> > 1.5 HP #174271 $204.11
> >
> > 2 HP #174272 $230.14
> >
> > 3 HP #174273 $247.95
> >
> >
> >
> > These seem like good prices from what I have seen.
> >
> >
> >
> > Any comments before I buy?
> >
> >
> >
> > Mike
> >
>
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