Smart Switch 400 Amp Service Rated 120/240 1-Phase NEMA 3R MPN:RTSW400A3
Discount: See in Cart
Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G0293216
Smart Switch 400 Amp Service Rated 120/240 1-Phase NEMA 3R
Protect your home from power outages and natural disasters with the Generac RTSW400A3 Automatic Transfer Switch. This heavy-duty transfer switch is designed for 400 amp service and features a 240V, 1-phase configuration, making it perfect for homes with a single-phase electrical system. With its NEMA 3R enclosure, it provides protection from the elements and unauthorized access. Easy to install and maintain, it's a reliable solution for ensuring your home has backup power when you need it most. Suitable for use in residential and commercial settings, this switch is a must-have for anyone looking to safeguard their home against power disruptions.
Top product features:
- Automatic transfer switch with 400 amps maximum current output
- NEMA 3R enclosure provides protection from the elements and unauthorized access
- One-phase operation at 120/240V
Top product applications:
- Backup Power Solution for Homeowners
- Emergency Generator for Small Businesses
- Critical Power Supply for Medical Facilities
If you're looking for a way to power your home during an outage, the Generac RTSW400A3 Automatic Transfer Switch is the solution. It's easy to install and maintain, so you can get back up and running in no time. The automatic transfer switch has a total width of 21 3/4 in., depth of 10 in. and height of 48 in.. With a voltage rating of 240V, this heavy duty transfer switch comes with one phase that operates at 1 PH. The NEMA enclosure type is 3R, providing both protection from the elements as well as unauthorized access. With 400 amps maximum current output, it also features a 5 year warranty for added peace of mind. This is what you need to ensure your home has backup power when there's an outage or natural disaster.
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 10.00
- Package Width: 21.75
- Package Height: 48.00
- Package Weight: 141.00
Product info last updated on January 15, 2026 1:15am UTC
Category: Generators