Lincoln Service Parts 1 › Lincoln Electric 9SM20586-1 CIRCUIT BREAKER,50A,3 POLE M20586-1 Lincoln Electric 9SM20586-1 CIRCUIT BREAKER,50A,3 POLE M20586-1 Sale Price: $257.30 Original Price: $295.89 CIRCUIT BREAKER,50A,3 POLE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CIRCUIT BREAKER,50A,3 POLE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1