In summary, Tyco Electronics has expanded its line of solid state relays with the addition of five new series. Three are PC board models rated from 2 amps to 25 amps, while the other two are DIN mount relays rated from 10 amps to 65 amps. These new products are used in applications ranging from medical to industrial machinery and commercial equipment.  Among the key features of these solid state relays are long life and quiet operation.