The capacitor on my Jet DC1200 dust collector has to be replaced.
It is 400 mfd, 125 V, type 128 Seika Electric Co.
Jet says $38 plus shipping. I stopped in at Grainger and a capacitor in the ballpark (approx 370 to 450 mfd) is less than $9.00.
Anyone know what the options are here? Easiest is to pay Jet what appears to be an exorbitant amount of money and get exact replacement. Having checked all the local industrial motor and electrical shops around I cannot find a 400 mfd/125V.
I am not an electrician so I would appreciate any good advice.
Alan – planesaw
Edited 7/21/2008 1:33 pm ET by Planesaw
Replies
The one from Grainger should work fine although you may have to adapt the terminals, I think the ones from Grainger have 1/4" male lugs.
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-- P.J. O'Rourke
I think this one would be a good choice as well. Check the dimensions to see if they will fit in your compartment.
Giving money and power to government is like giving whiskey and car keys to teenage boys.
-- P.J. O'Rourke
McMaster-Carr has them for $4.71. Where are you located?
Life is what happens to you when you're making other plans .
"Life is not a success only journey." Dr. Phil
Central PA. McMaster shows fewer than Grainger, but physical size has become an issue. Jet has exactly what fits, of course, but the others (Grainger and McMaster) are a tad too big for the cover.
Decided to stick with Jet. I just don't have time to experiement or adapt a nonconforming piece. Hate to spend the extra money, but time is more critical at this point.
Thanks Jerry.
Alan - planesaw
Sometimes it is worth it to pay the price and get the part that fits. I wanted to know where you are located to estimate shipping time. I have an extra capacitor but it was 430 to 480 mfd and two big for your application.
Life is what happens to you when you're making other plans .
"Life is not a success only journey." Dr. Phil
Thanks for the kindness.
I read one can vary by 10% either way on the capacitor, so it also sounds like yours could be too big, as mfds go. Physical size was an issue on Grainger and McMasters.
Alan - planesaw
Alan;
Did you get you DC going?
................................................
You can't wait for inspiration. You have to go after it with a club.
Jack London
Don,
I did. Thanks for the follow-up. I checked with all the local suppliers and no one had an exact replacement. They were all smaller (physical size, with different types of terminals, and various mdfs) If I was an expert on such matters I might have been able to buy the next best thing locally, which would have been smaller in size (cheaper than from Jet), re-work the terminals, and find a way to attach it to the motor,
BUT,
the quickest and easiest was to simply order it from Jet. Good service. Right product. Wiring attached easily to the terminals. Fit under the shield or cover snugly as it should.
In about 3 minutes it was installed and working like a charm.
Thanks,
Alan - planesaw
Glad to hear you are up and running!
................................................
You can't wait for inspiration. You have to go after it with a club. Jack London
For anybody else needing to do the same thing. The new capacitor must have a voltage rating equal to or greater than the original.
Following up on this. I replaced the capacitor in my DC1200 with this https://www.supplyhouse.com/MARS-11024-400-480-MFD-Round-Start-Capacitor-110-125V and it works fine (at least for the last month of sporadic use).
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