The Generac RTSW100J3 Automatic Transfer Switch is a reliable, service entrance–rated solution designed for three-phase 120/240V systems. With a 100-amp capacity and NEMA 3R enclosure, it automatically transfers power between utility and generator during outages—ensuring continuous operation for commercial and industrial applications.
Why This Product is a Must-Have
Power interruptions can disrupt operations and cause costly downtime. This automatic transfer switch eliminates manual intervention by instantly switching to backup power when needed. Its service entrance rating allows it to function as the main disconnect, simplifying installation while enhancing safety and reliability.
What’s Inside
- 100 Amp automatic transfer switch for three-phase systems
- Supports 120/240V 3-phase electrical configurations
- Service entrance rated for primary power distribution
- NEMA 3R aluminum enclosure suitable for indoor and outdoor use
- Heavy-duty contactor designed for long-term durability
- Open transition transfer mechanism for reliable switching
- Compatible with generators using Evolution™ or Nexus™ controllers
- Integrated deadfront design for enhanced operational safety
