Lincoln Service Parts 2 › Lincoln Electric 9SS31228-540 POWER SUPPLY S31228-540 Lincoln Electric 9SS31228-540 POWER SUPPLY S31228-540 Sale Price: $678.86 Original Price: $780.69 POWER SUPPLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! POWER SUPPLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1