Littelfuse® SSAC® TDR4B22 Time Delay Relay, ON-OFF Time First: 1 to 1023 s Time Setting, 120 VAC, 8 Pins, DPDT Contact Form

The TDR series of time delay relays are comprised of digital circuitry and an isolated, 10 A relay output. The on and off delays are selected by means of two, ten position binary switches, which allow the setting of the desired delay to be precise every time.