Circuit 2 that uses thermistors to prevent relay contact competition
Source: InternetPublisher:闪电杰克 Keywords: thermistor relay contact Updated: 2020/02/06
This circuit is a set of fan timing sequence starting circuits . Brother 1 and Rt2 are NTC thermistors
.
In the figure, SBi~SB3 are the start buttons of each fan, and S], S2, S3, etc. are the stop switches of each fan.
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