Electric welding machine no load electricity saver 7

Published:2011/6/30 21:10:00 Author:Nicole | Keyword: electric welding machine, electricity saver | From:SeekIC

The electric welding machine no load electricity saver circuit is composed of control power transformer T1, intermediate relay KA, relay KT, AC contactor KM, potentiometer RP and indication light HL1, HL2, it is shown in the figure 8-11. After knife switch Q is turned on, T1 works, power indication light HL1 lights. When welding, below, intermediate relays KA pull in, the normally open contact KA1, KA2 are turned on, then KKM's normally open contact KM1, KM2 are turned on, the normally closed contact KM3 and KM4 are cut off, it works, it shows it can do welding.



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