The 600XU-A-1-CU from Altech is single pole double throw SPDT (1 Form C) programmable (multi-function) time delay relay with 0.1 Sec to 3 Hrs delay time, 5A @ 250VAC contact rating and screw termination. This DIN rail mount time delay relay working on supply voltage range from 20 to 240VAC or 12 to 240VDC. Timing adjustment method: screwdriver slot. Timing initiate method: input voltage, trigger signal.