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Old 4th January 2003, 02:59 AM   #1
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Location: WI
Default Transformer replacement?

OK, I've got a power transformer I need to replace, with the following sticker on the side:

100V 50/60HZ. WHT-RED
120V 50/60HZ. WHT-BLK
75V 345VA WHT-ORN
82V 410VA WHT-BRN

The Red lead is left open
I was wondering if somthing like this is a common winding/values if so where can I get one, if not can I replace it with multiple transformers if so what values would I need (I read on here that if the center tap is left open the values are different)
Looking at it from the side with the wires:
the ORN wire top left
WHT top right
BLK bottom left
RED bottom center
BRN bottom right

All I want to do is replace this.

Thanks!
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Old 4th January 2003, 03:26 AM   #2
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Hi ds21

I think you will need to get a custom trannie made up, or find two 120v transformers with these voltages and VA specs. What is it for, and where are you based?
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Old 4th January 2003, 07:41 AM   #3
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May I ask why you wnat to change it?

If you only use 120/82 for example it should be any problem to replace it. Do you use these taps in any way? If not, good!
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Old 4th January 2003, 11:00 PM   #4
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Ok I'm new to transformers so...
1) are the white and black wires the primary?

2) and if I only use the 82V 410VA output I only need one transformer with this tap?

What this is for is an overhead projector for the diy projector in the video section, sorry if this is the wrong place to post, but you guys seem to know what your talking about, over in the video section we're still learning.

I followed the wires and it looks like the 410VA goes to the bulb, as does the 345VA (for lower light output setting, I won't use) the black wire goes to the cooling fans.

Again Thanks!
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