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⚡ Power up your peace of mind—automate your whole home backup like a pro!
The Generac 100 Amp Legacy Automatic Generator Transfer Switch is a service entrance rated, automatic transfer switch designed for whole-home backup with compatible Generac standby generators. It supports up to 24,000 watts across 120V and 240V circuits, automatically sensing outages and transferring power safely with open transition switching to prevent backfeed. Featuring a built-in Smart AC Module for HVAC load sequencing and a durable NEMA 3R aluminum enclosure, it requires professional installation and is backed by a 5-year warranty.












| ASIN | B077KPNPQ8 |
| Actuator Type | Rotary |
| Best Sellers Rank | #52,642 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #28 in Outdoor Generator Transfer Switches |
| Brand Name | Generac |
| Circuit Type | Parallel |
| Color | No Finish |
| Compatible Devices | Generac standby generators with Evolution or Nexus controls |
| Connectivity Protocol | X-10 |
| Connector Type | Screw Terminals |
| Contact Material | Aluminum |
| Contact Type | Electronic |
| Control Method | Touch |
| Current Rating | 100 A |
| Customer Reviews | 4.9 4.9 out of 5 stars (32) |
| Global Trade Identification Number | 00696471069648 |
| Included Components | (1) transfer switch, owner's manual, warranty sheet |
| International Protection Rating | IP54 |
| Item Dimensions | 14.6 x 7.09 x 20 inches |
| Item Type Name | RXSW100A3 TS |
| Item Weight | 21.9 pounds |
| Manufacturer | Generac Guardian |
| Material Type | Aluminum |
| Model | RXSW100A3 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 100 |
| Operating Voltage | 240 volts |
| Operation Mode | Automatic,Automatically |
| Part Number | RXSW100A3 |
| Specification Met | UL |
| Switch Type | Automatic |
| Terminal | Physical |
| UPC | 696471069648 |
| Unit Count | 1 Count |
| Wattage | 24000 watts |
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