Generac 100A Power Transfer Switch
The Generac Automatic Transfer Switch, 100A | Service Entrance Rated, is designed for single-phase home standby systems using Evolution™ or Power Zone™ 200 controllers. Built to enhance performance and reliability, this rugged transfer switch provides seamless, automatic transition between utility and generator power. Featuring built-in load shedding and hardened transfer switch control, it protects against damaging utility power disturbances such as brownouts while ensuring consistent automatic operation. Generac backs this robust unit with a comprehensive 5-year limited warranty, delivering peace of mind for homeowners who demand durability and performance in demanding environments.
Key Benefits of Generac 100A Power Switch
- Automatic power transfer for uninterrupted backup power
- Hardened switch control combats brownouts and power disturbances
- NEMA 3R outdoor-rated steel enclosure for superior protection against rain, snow, and ice
- Built-in load shedding optimizes power usage during outages
- Compatible with Evolution™ and Power Zone™ 200 controllers for reliable integration
- 5-year limited warranty ensuring long-term performance
Applications
This 100A automatic transfer switch is ideal for residential backup power solutions requiring seamless transition to generator power. Its robust enclosure and built-in load shedding make it perfect for both indoor and outdoor installations, protecting critical systems like HVAC, lighting, and appliances during utility outages. Designed to integrate effortlessly with Generac standby generators, it ensures homeowners maintain full functionality and safety during power disruptions.
Packaging & Support
Generac packages the 100A Automatic Transfer Switch with a durable NEMA 3R-rated enclosure, preconfigured for reliable installation. Built-in features reduce installation time, and its compatibility with Generac’s Evolution™ controllers ensures easy integration. Homeowners receive support from Generac’s nationwide service network and benefit from a 5-year warranty, reinforcing the product’s long-term dependability.
Product Properties
| Property | Value |
|---|---|
| Current Model | RXSW100A3 |
| Transfer Method | Automatic |
| Pre-Wired | No |
| Load Shedding | Built-In |
| Voltage | 120/240, 1ø |
| Load Shed Integrated | No |
| Rated Amperage | 100 |
| Service Entrance Rated | Yes |
| NEMA Rating | 3 |
| Enclosure Type | 3R |
| Canada Approved | Yes |
Learn more about Generac power solutions at Generac.com. For other compatible products, see our 100A Transfer Switch with SPD.




