Part Number UPL 1 1 51 253 having (CAGE Code 81541) and FSC 5925 Circuit Breakers in stock with ready to ship. Get an instant quote for UPL 1 1 51 253 Circuit Breaker by Sensata Technologies 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.