[Boatanchors] Powerstat

Tim Richardson timrichardson at bellsouth.net
Sun Apr 24 17:38:35 EDT 2011

I seem to recall that if you remove the unit from the case there is 
usually a paper label glued to the winding itself that shows the 
connections as well as the ratings. I think some even had the ratings 
painted on the winding itself. I think all the 10Bs were 50/60 Hz units 
and are replaced by the 10C. My guess would be that the 1142 refers to 
the case and dial configuration. I think they are only rated for about 2 
amps at 120 VAC. You could probably drop an e-mail to  Superior and ask 
them for the ratings.


On 4/24/2011 3:21 PM, Wilson Lamb wrote:
> Well, I got a questionable deal at a hamfest yesterday, first time 
> I've felt mislead.  I asked if a little Powerstat was 120V and was 
> assured it was.  It didn't occur to me to ask if it was 60Hz, which I 
> think it is!  Buyer Beware!
> Superior does not list the number, 10B-1142 on their website.
> Does anyone have a datasheet on these beauties?  I have two and would 
> be glad to sell them to someone working with 400Hz equipment, if 
> that's what they are.
> 73,
> Wilson
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