Part Number MK11-1A71B-500W having (CAGE Code 21424) and FSC 5930 Switches in stock with ready to ship. Get an instant quote for MK11-1A71B-500W Switch Reed by Relay Specialties 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.