The 120/240-Volt Generac 30kW Generator Protector Diesel Series restores power during an outage for all the conveniences and necessities of modern living and work life. Seconds after an outage hits, the 30kW generator system starts and restores power to the home or business for refrigeration, heating and cooling, office equipment, pumps, and lighting. With a 30kW Generator, your home or business operates as usual through a power outage.