Fan 12VDC, 80mm x 25mm, 37 CFM, Sleeve Bearing (CFA128025MS)
- Locked Rotor Alarm Signal Output (yellow wire lead): Under normal conditions a locked rotor alarm signal outputs a constant signal frequency... if the fan stops spinning or "locks", it then outputs a "LOW" condition signal. If the fan starts spinning again, the "LOW" condition signal will go away.
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