Protect your critical enclosure assets from the harmful effects of low temperatures condensation and corrosion.
Electrical enclosure heater calculator.
To use this calculator appropriately one must first quantify the amount of heat generated by components inside.
Approximations may be necessary.
The graph can be read to determine expected temperature rise.
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For example if you know the power generated inside the unit assume 10 of the energy is dissipated as heat.
Determine the heat generated inside the enclosure.
For heat transfer from the outside calculate the area exposed to the atmosphere except for the top of the control panel.
Find your enclosure s total surface area by entering its dimensions here.
You can use this calculator to find the wattage you need.
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The wattage of the heater you need is determined by the total surface area of your enclosure and the temperature rise you need to produce.
This calculator has a maximum temperature rise of 140 f or 78 c step 1.
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