rotary switch

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don2rz

Member - Posts: 11

Joined: March 31, 2011

Location: California, United States

Posted: October 31, 2011 at 4:57 PM / IP Logged

This project is to boost the output of an HID ballast from original 35W to 45W and 50W. I already succeeded in boosting the ballast output with the use of a 100K potentiometer but I would like to use a rotary switch for it to be more precise. After some reading, I discovered that I will need a 47K resistor wired to the MEDIUM side of the switch to get 45W output and then 33K resistor to get 50W output.

I need help finding a rotary switch that will function like this:

1) OFF - MEDIUM - HIGH

2) How do I wire the switch and resistors?

Hope you guys can help me!

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 01, 2011 at 3:26 AM / IP Logged

Draw and post a diagram of the 3 configurations. Radio Shack sells a rotary switch.

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don2rz

Member - Posts: 11

Joined: March 31, 2011

Location: California, United States

Posted: November 03, 2011 at 12:14 AM / IP Logged

I'm not able to upload any picture/diagram that I have. Anyway, the rotary switch I got is a 3 POLE, 3 POSITION, non-shorting type.

Can you guys help me how to wire this.

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rotary switch

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