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The Lincoln Electric M12522-2 (9SM12522-2) is an OEM high-current, 3-position rotary polarity switch assembly designed for the Idealarc 250 AC/DC welding system. It facilitates switching between AC, DC+, and DC- polarities using electrolytic copper contacts and phenolic resin insulation.
Features
OEM replacement assembly
3-position rotary configuration
Rapid switching between AC, DC+, and DC- polarities
