35900f0e_Macromatic_Industrial_Controls__Function
[Operation] Upon application of input voltage, the time delay (t) begins. At the end of the time delay (t), the output is energized. Input voltage must be removed to reset the time delay relay & de-energize the output. [Function] 
ON DELAY Delay on Make Delay on Operate
Understanding Time Delay Relay Functions | Macromatic Industrial Controls
Function