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Three-phase motor transistor automatic limiting reversing ci

2016-05-07 05:58  
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Three-phase motor transistor automatic limiting reversing circuit
The circuitshown in the chart usestime relay KT, pulse transistor JJSB1, time relay,and ithas normally open, normally closed contacts with adjustable time,ifit is addedtherelay K, the circuit will automatically limit time and operatefrom positive toreverse.