This restartable timer is activated when the push button is pressed. The timer will remain activated until the preset time duration. If the switch is pressed again, the timing cycle will restart again; regardless of the remaining time from the previous cycle. The circuit allows for two maximum timing durations: one from a few seconds to 5 minutes; and the another from a few seconds to 50 minutes. Relay: 3A / 110VAC. Supply voltage: 9 - 12VDC / 100mA.