Type: AH3-3 Relay is a kind of automatic electric switch, when supply with an input value, like electric, magnetic, light or thermal signal, it will transfer the controlled circuit automatically and make an abrupt change, when the input value decreased to certain degtee,it will resume to former state and make the controlled circuit back to the former state. High quality shell: The shell is made of high quality flame retardant material with good thickness and smoothness.Pointer display: We pursue better quality, high delay precision, and powerful performance. Wiring diagram: The wiring diagram printed on the shell is simple and clear, and the delay setting mechanism is convenient to operate. Silver alloy contact: The use of silver alloy contact can increase the stability and sensitivity of the contact, with a variety of pinouts. High-quality transformer: The internal transformer of this product is not easy to get hot, with long-service life. Specifications: Rated Voltage: 110VACContact: 5A 250VACTime Range: 6 SecondsNumber of Terminals: 8Weight: 3.77oz Packing List: 1 x Time Delay Relay with Base