Generac RTSW400A3 - Smart Switch 400 Amp Service Rated 120/240 1-Phase NEMA 3 R
Generac RTSW400A3 - Smart Switch 400 Amp Service Rated 120/240 1-Phase NEMA 3 R
Couldn't load pickup availability
Ships factory-new in original packaging.
Not sure if a compatible flange, seal kit, or accessory exists for this item? Ask our team — we're happy to help you find the right part.
TIPS Contract Vendor
Officially awarded purchasing cooperative vendor.
Why Buy From Us
Every quote personally reviewed. Direct sourcing from top manufacturers.
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.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.