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240V to 12V Transformer

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Discussion in 'General Electronics Discussion' started by geth3, Oct 26, 2010.

Oct 26, 2010 #1

geth3

4

0

Sep 9, 2010

I need to light an MR11 bulb (12V 20W) with mains power, so wich transformer do I need form here?
http://www.rapidonline.com/Electrical-Power/Transformers/Chassis-Transformers
Thank you!
Oct 26, 2010 #2

Resqueline

2,848

2

Jul 31, 2009

Several models are suitable. Only one 20W bulb ever? Pick any that is at least 20VA and has a 6+6V or a 12+12V secondary. Single or double primary does not matter.
Nov 4, 2010 #3

cute109

6

0

Oct 8, 2010

use the trasformer of the voltage rating 12-0-12 and rectify its output for the dc 12V load.it works.
Nov 4, 2010 #4

Resqueline

2,848

2

Jul 31, 2009

You would loose a couple of volts in the rectifier doing that.

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