Motor two-path insurance starter

Published:2011/7/3 21:42:00 Author:Nicole | Keyword: motor, insurance starter | From:SeekIC

The motor two-path insurance starter circuit is composed of the first path fuse FU1, the second path fuse FU2, stop button S1, starter button S2, AC contactors KM1, KM2, relay K, capacitors C1-C3, diodes VD1, VD2, resistor R, steady voltage diode VS, potentiometer RP and time base integrated circuit IC, it is shown in the figure 8-57. After IC works, due to the two sides of IC3's voltage can not be suddenly changed, IC's 2 foot, 6 foot are low level, 3 foot output is high level, K is pulled in, the normally open contact is turned on.



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