gunrunnerjohn posted:Tom, those are also "bang-bang' control of the circuit creating the high temperature, not the fan. They turn off when the limit temperature is reached, and are restored when the temperature drops sufficiently below their rated temperature. With these, the fan would be turned off when the item got hot, not exactly the desired operation!
Hmmm... You are exactly right. That datasheet is not what I was thinking they did.
I was looking around at this stuff on ebay yesterday. Must have either gotten my devices mixed up or mis-understood the translation to English in the descriptions?
But wait, here's what I was going by, ebay item 183364095688 says they come in either N.C. (break on temp rise) or N.O. (make on temp rise). Some of the ads list them as available in either configuration from a drop down selection when ordering.
