Electric sewing machine no-load economizer circuit diagram 2

Published:2011/6/30 5:27:00 Author:Lucas | Keyword: Electric , sewing machine , no-load , economizer | From:SeekIC

The electric sewing machine no-load economizer circuit is composed of low-voltage circuit breaker QF, control switch S1, light switches S2 and S4, foot switch S3, AC contactor relay KM and time relay KT, and the circuit is shown as the chart. When the sewing workers continue to work, then move the clutch pedal to turn off S3, KT gets power and resets, KM gets power and pulls in, then M starts running, and they begin sewing work. If it needs lighting during the M stopped time, you can manually turn on light switch S2, the EL light will be lit. S1, S2 use the self-locking power switches with the contact current being more than 5A; S3 uses the protected move off button. KM selects the AC contactor with the coil voltage in 220V, contact current in 10A.



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