Electric sewing machine no load energy saver 2

Published:2011/6/30 0:49:00 Author:Nicole | Keyword: sewing machine, no load energy saver | From:SeekIC

The electric sewing machine no load energy saver circuit is composed of low high circuit breaker QF, control switch S1, light switch S2, S4, footage switch S3, AC contactor KM and time relay KT, it is shown in the figure 8-4. When it is used, the low high circuit breaker QF is turned on, then S1, S2 are turned on, the sewing worker puts her feet on the clutch pedal, the foot switch S3 is cut off, KM pulls in, its normally open contact KM1 is connected, the motor M starts running, light EL turns on, the work can start to sew.



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