Welder no-load power saver circuit diagarm 7

Published:2011/6/10 5:35:00 Author:Lucas | Keyword: Welder , no-load , power saver | From:SeekIC

The welder no-load power saver circuit is composed of the power transformer T1, intermediate relay KA, relay K, time relay KT, AC contactor KM, potentiometer RP and indicator lights H12, HL1, and the circuit is shown as the chart. Knife switch Q, fuse FU, welder transformer T2 form the main circuit of original welder. RP uses 2W wire-wound resistor. HL1 and HL2 select 1W, 6.3V lights. KA chooses the intermediate relay with the contact current capacity being greater than 5A, coil voltage being 220V AC. KT selects the time relay with the coil voltage being 220V AC, such as the JS11 series. KM uses 220V AC coil voltage contactor. Q, FU, and KM's contact current capacity should be based on reasonable selection of real power.



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