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A contactor is commonly used in vareious wattage 600w + 1000w high-pressure sodium (HPS) lighting systems for various reasons:
Power Control: HPS lights require a high voltage to start and operate. A contactor is a heavy-duty relay that is capable of handling high voltage and current levels. It helps control the power supply to the HPS lamp, allowing it to be turned on and off as needed.
Safety: Contactors provide an extra layer of safety by isolating the electrical supply to the HPS light. They act as a switch, ensuring that power is completely cut off when the HPS light is turned off. This prevents any accidental electrical shock or damage to the light fixture during maintenance or repair work.
Overall, contactors play a crucial role in the reliable and safe operation of HPS lighting systems by controlling power supply, enhancing safety, extending lamp lifespan, providing remote control capabilities, and improving energy efficiency.