Part Number 66R-251 having (CAGE Code 51918) and FSC 5950 Coils and Transformers in stock with ready to ship. Get an instant quote for 66R-251 Transformer Current by Square D Co Automation And Contr. 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.