1621-C-2001 = 1600 FIXED OPERA Type of Control: External Resistor Time Delay Relay Input Voltage: 18 – 31 VDC Time Delay Relay Contact Current Rating: 4 A Mode of Operation: Delay on Operate Delay Time: 2 seconds External Resistor 18 – 31 VDC 4 A Delay on Operate | Time Delay Relay | Part Number: 2-1617070-7 | Internal Number: 2-1617070-7 | Alias Number: 1621-C-2001 | TE Connectivity