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The Fan Failure Warning system (FFW) was designed for Lone Star Aviation's Cyclone-21 (3) Port fan with a (3 wire) TTL 5v output. The FFW system will switch the dual color LED from green to red when a fan's RPM is reduced to less than 50% of the fans normal speed. The FFW, Fan Failure Warning system has an (optional circuit) designed to monitor the temperature of a remote electronics bay or entertainment equipment and will turn on a remote fan when the predetermined temperature has been reached.
Lone Star
Multiple discount
| Pieces | 3-5 | 6-9 | 10 and more |
| Price per piece | $ 120.048 | $ 114.472 | $ 108.896 |
| Certification | CoC |
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