The Velleman VM136 is a general purpose pulse - pause cyclical relay timer for various interval timer automation applications. It provides intermittent (ON-OFF-ON-OFF, etc) operation of circuits and equipment.
This timer actives the relay for a user-set Pulse time between 0.5 and 5s. Once this time period has elapsed, the relay with turn off for a user-set Pause time between 2.5 and 60s. This process is repeated with the relay turning on and off for the same time periods until power is removed.
Also available in SELF-ASSEMBLY Electronic Kit format (Order Code MK111)