Plants need a period of darkness, so most growers set a timer to turn their grow lights on and off at specific times. The HPS and HiD grow lamps generate a large spike in electricity when switching on.
Without a contactor this electrical spike travels through the timer and is enough to cause the timer to burn-out, leaving the grow lights in the on or off position until you manually switch them.
With a contactor the power goes through the robust switching components of the contactor. The surge doesn’t go through the timer itself, so there’s no risk of burn-out.
Green Power units are the absolute premium range of contactors and relays in the industry. Feel safe using this three way contactor from Hyjo.
Grasslin timer not included.
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