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I have a truck camper with a fridge that needs a little help with exhausting hot air that it creates. The camper has a circular grill to the outside, maybe 5" but no extraction fan.
My plan is to place a small computer fan there to draw out the air. Ideally, I need a reliable and quiet computer fan and also some method of controlling the speed, maybe in three stages.
The fan I have currenty draws 3a, which is too much for our solar power use. I would prefer a fan that was around 0.5a or so. Hopefully the controller switch will be an electric rather than resistor style as I don’t want it heating up.
Hello James
Thank you for contacting us with your request.
Looking at your request what is the voltage rating that you have for hooking up a fan? Is it AC or DC and at what voltage level?
We do sell a variety of fans. Do you want a square Flange style to mount or a round style to fit into the circular hole that is there.
As for the switch to use the parts we have will require a Resistor to lower the voltage for speed. Maybe a Potentiometer with a Switch built in would possibly work.
It’s a 12v DC system. As it is solar and battery driven the voltage may vary a little though, fully charged I think they are 12.9 but while charging 13.4 and when ‘down’ 12.4 or so. I am not sure if that variance matters.
Square style with a flange would be better.
I was hoping an electric switch would supply a lower amperage. A resistor would still use the full amperage correct?
Take a look at P15668-ND and 603-1326-ND. These are roughly 5’’, quiet, and good airflow. You can control this fan with something like 1738-1293-ND, this is non-stock but we should have stock within a week or two as I believe this is already on order. Otherwise we do have other modules smaller modules that are able to adjust the voltage output.
Hi James, I see we now have stock of 1738-1293-ND, and also found 1738-1069-ND that would be a suitable option as this one is 3.3V ~ 25V potentiometer adjustable output and does not have onboard LED’s to constantly power.
