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I have a relay that I picked up from Radio Shack a while ago, and now I have a use for it, but I don't have the datasheet, and can't seem to find it online.

enter image description here

The top says GEO 3F-12V3

Below that it says 12VDC, which I'm hoping it's the coil voltage.

Near the bottom it says 15A 125VAC.

It is a SPDT relay, if that helps.

I just don't want to over volt the coil.

AndyD273
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    3 seconds of googling: http://www.psrelay.com/images/3F%20CATALOG.pdf – Eugene Sh. Nov 02 '20 at 19:49
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    12VDC. It's the coil voltage. –  Nov 02 '20 at 19:53
  • @EugeneSh. Hmm, I guess I had seen that before a while back, but for some reason didn't think it was the right one. Sorry for wasting your time, but thanks for the confirmation! – AndyD273 Nov 02 '20 at 20:27
  • The operating coil is rated at 12 V DC. The 15 A 125 V AC / 10 A 250 V AC block refers to the rating of the relay contacts. (It's somewhat harder to turn off a higher voltage so the current rating is lower to compensate for this.) – Graham Nye Nov 02 '20 at 23:53

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As well as the details kindly added as comments so far, this symbol on the relay (inside my added red circle) is the symbol for the coil:

symbol inside red circle means relay coil

So as you suspected, yes, this is telling you that the relay coil voltage is 12 VDC.

Answers to this previous question confirm the meaning of that symbol.

SamGibson
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