Lincoln Service Parts 2 › Lincoln Electric 9SS15000-4 OPTOCOUPLER-PHOTO-Q,CTR,SPL,4N26* S15000-4 Lincoln Electric 9SS15000-4 OPTOCOUPLER-PHOTO-Q,CTR,SPL,4N26* S15000-4 Sale Price: $1.83 Original Price: $2.11 OPTOCOUPLER-PHOTO-Q,CTR,SPL,4N26* PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! OPTOCOUPLER-PHOTO-Q,CTR,SPL,4N26* PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1