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UTC S-42 Power Transformer Diagram




 
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Author Topic: UTC S-42 Power Transformer Diagram  (Read 575 times)
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w9ac
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« on: January 10, 2019, 10:42:33 AM »

I have a UTC S-42 plate/filament transformer that will be used for the PP version of Fred Sutter's QSL-40 transmitter but I need the winding diagram.  There are 15 numbered terminals and no other clues.  I would rather not try and sort it out with resistance readings.  I have several UTC catalogs that span a few decades.  Although the S-42 is shown in the catalogs with dimensions, voltages, and weight, no diagram is shown.  Anyone?

Paul, W9AC
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ae7db
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« Reply #1 on: January 10, 2019, 11:34:31 AM »

This is what I have from an old UTC Booklet on Terminal Connections.

Dean, AE7DB


* UTC S42 Terminals.PNG (143.6 KB, 389x206 - viewed 73 times.)
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w9ac
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« Reply #2 on: January 10, 2019, 11:44:43 AM »

Dean,

Awesome!  Many thanks.

Paul, W9AC
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Patrick J. / KD5OEI
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« Reply #3 on: January 10, 2019, 06:41:21 PM »

This is what I have from an old UTC Booklet on Terminal Connections.

Dean, AE7DB

I wonder if you could possibly scan that booklet and maybe upload it here or somewhere? Lots of catalogs are around but terninal data seems less available.
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ae7db
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« Reply #4 on: January 10, 2019, 07:03:29 PM »

Here is the scan of the booklet.  You have such excellent reference material on your website, perhaps you would be kind enough to put it there?

Dean, AE7DB

* UTC Type S Terminal Arrangements.pdf (1972.33 KB - downloaded 47 times.)
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w9ac
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« Reply #5 on: January 21, 2019, 07:07:55 AM »

Found another UTC S-42 terminal diagram, terminals shown printed on the case.  Same numbering as shown in Dean's post.

Paul, W9AC


* UTC S-42 Terminal Diagram-1.jpg (134.25 KB, 1600x1200 - viewed 55 times.)
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KD6VXI
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« Reply #6 on: January 21, 2019, 04:09:09 PM »

You should post a copy of that in the printed material section of the site.....

--Shane
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Patrick J. / KD5OEI
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« Reply #7 on: January 22, 2019, 04:47:17 PM »

Here is the scan of the booklet.  You have such excellent reference material on your website, perhaps you would be kind enough to put it there?

Dean, AE7DB

Thank you, I will do that!
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Radio Candelstein - Flagship Station of the NRK Radio Network.
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