Durable and Weather-Resistant Enclosure: Generac RTSW200G3 features an aluminum NEMA/UL Type 3R enclosure with electrostatically applied powder coating, ensuring long-lasting performance in various weather conditions Robust and UL Recognized Contactors: The heavy-duty Generac contactors used in this transfer switch are recognized by UL for their reliability and designed to provide years of reliable service Efficient and Intelligent Control: The integrated controller at the generator handles all timing, sensing, exercising functions, and transfer commands, ensuring seamless operation and optimal performance Peace of Mind with Warranty: Generac RTSW200G3 comes with a five-year limited warranty, giving you confidence and peace of mind in your power transfer solution Single-Person Installation: Designed for easy installation by a single person, the Generac RTSW200G3 streamlines the setup process, saving you time and effort Easy Installation: Generac recommends your new transfer switch to be installed by a certified and licensed electrician