Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.

The Generac RTSW300A3 is an exceptional automatic transfer switch designed for effective power management. This transfer switch seamlessly operates during utility power interruptions, ensuring that your essential circuits remain powered. Featuring robust components and reliable performance, it is ideal for residential and commercial applications that require dependable power solutions.
The Generac RTSW300A3 offers smooth and automatic switching between utility and standby generators, so you never have to worry about power interruptions. This feature guarantees reliable power supply, keeping your critical appliances operational.
This transfer switch is service entrance rated, which means it is built to handle up to 300 amps of power. With this feature, the RTSW300A3 is perfect for managing high-demand electrical loads without compromising performance or safety.
Built to withstand various environmental conditions, the Generac RTSW300A3 combines high-quality materials with a sturdy design. This durability ensures a long lifespan, making it an excellent investment for both home and business applications.
Equipped with easy-to-read indicators, the RTSW300A3 allows users to monitor its operational status. This feature streamlines the process of checking the switchs functionality, making operation intuitive for any user.
The Generac RTSW300A3 is designed for easy installation, providing clear instructions and wiring diagrams. This user-focused approach simplifies the setup process for both professionals and DIY enthusiasts, ensuring a successful installation without hassle.
The Generac RTSW300A3 operates using advanced automatic controls that detect utility power loss. When a power outage occurs, the transfer switch instantly activates the generator, connecting it to the home's electrical system to maintain power supply.
This key component of the RTSW300A3 manages the detection of utility power failures and initiates the switching process. Its sophisticated circuitry ensures quick response times, minimizing downtime during outages.
The enclosure of the Generac RTSW300A3 is designed with both functionality and aesthetics in mind. It houses critical wiring and components securely while being adaptable to various installation environments.
Designed to accommodate both utility and generator connections, the RTSW300A3 ensures that power is efficiently transferred to the necessary circuits without loss of quality or safety during the transition.
| Model Number | RTSW300A3 |
| Amperage | 300A |
| Voltage Rating | 240V AC |
| Frequency | 60Hz |
| Noise Level | Quiet operation |
| Enclosure Rating | Type 3R |
| Weight | Approximately 70 lbs |
| Dimensions | 30" x 20" x 10" |
| Certifications | UL listed |
| Installation Type | Indoor/Outdoor |
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.