Part Number AR5.3 having (CAGE Code 51918) and FSC 5999 Miscellaneous Electrical and Electronic Components in stock with ready to ship. Get an instant quote for AR5.3 Heater Thermal Release 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.