The Generac Smart Switch 200 Amps 120/240 NEMA 3R G0072180 is an automatic transfer switch designed for use with single-phase generators equipped with Evolution or Nexus controllers. This switch supports open transition load transfer and is housed in a weather-resistant aluminum NEMA Type 3R enclosure with a powder-coated finish for durability in outdoor installations. It is suitable for residential and light commercial applications, providing seamless power management during utility outages and ensuring reliable backup power for critical loads.

Key use case applications include whole-house backup, light commercial facilities, and installations requiring management of multiple HVAC loads. The integrated Smart A/C Module allows control of up to four HVAC loads, with the option to expand management to eight additional loads using external Smart Management Modules. The switch features a heavy-duty Generac contactor, manual operation capability, and compatibility with generator controllers for timing, sensing, and transfer commands.

Key Features:

• 200 Amps, 120/240V single-phase automatic transfer switch
• Open transition load transfer
• Service rated configuration
• Aluminum NEMA Type 3R enclosure with powder-coated finish
• Integrated Smart A/C Module for HVAC load management
• Expandable load management with external modules
• Heavy-duty Generac contactor for reliable operation
• Manual operation capability without power applied
• Compatible with Evolution and Nexus generator controllers
• ETL listed for safety and compliance
• Suitable for residential and light commercial backup power applications