Part Number ABB-S203U-K50 having (CAGE Code 1MUT1) and FSC 5925 Circuit Breakers in stock with ready to ship. Get an instant quote for ABB-S203U-K50 Circuit Breaker by Centreville Manufacturing Inc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.