Lincoln Service Parts 1 › Lincoln Electric 9SM18720-53 Shunt, 800A. 50MV M18720-53 Lincoln Electric 9SM18720-53 Shunt, 800A. 50MV M18720-53 Sale Price: $525.43 Original Price: $604.24 Shunt, 800A. 50MV PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! Shunt, 800A. 50MV PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1