--- product_id: 85431293 title: "100-Amp Automatic Generator Transfer Switch, Single Phase, Service Entrance Rated, NEMA 3R Outdoor Enclosure" brand: "generac" price: "€ 1631.08" currency: EUR in_stock: true reviews_count: 3 category: "Generac" url: https://www.desertcart.be/products/85431293-100-amp-automatic-generator-transfer-switch-single-phase-service-entrance store_origin: BE region: Belgium --- # 100 Amp service rating Automatic seamless power transfer NEMA 3R weatherproof enclosure 100-Amp Automatic Generator Transfer Switch, Single Phase, Service Entrance Rated, NEMA 3R Outdoor Enclosure **Brand:** generac **Price:** € 1631.08 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your peace of mind with seamless backup energy! ## Quick Answers - **What is this?** 100-Amp Automatic Generator Transfer Switch, Single Phase, Service Entrance Rated, NEMA 3R Outdoor Enclosure by generac - **How much does it cost?** € 1631.08 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/85431293-100-amp-automatic-generator-transfer-switch-single-phase-service-entrance) ## Best For - generac enthusiasts ## Why This Product - Trusted generac brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Confidence:** Easy panel mount installation with robust screw terminals and UL certification for peace of mind. - • **Smart HVAC Load Management:** Integrated DPM controls up to four HVAC loads, optimizing generator efficiency without extra gear. - • **Uninterrupted Power, Always:** Automatically switches to generator power during outages—never be left in the dark. - • **Built for Outdoor Durability:** NEMA 3R aluminum enclosure ensures reliable weather-resistant performance year-round. - • **Service Entrance Rated Safety:** Designed for residential standby systems with built-in service disconnect for safer maintenance. ## Overview The Generac RXSW100A3 is a 100 Amp automatic transfer switch designed for single-phase residential standby generators. It features automatic utility-to-generator power transfer, integrated HVAC load management via DPM, and a weatherproof NEMA 3R aluminum enclosure for outdoor installation. Service entrance rated with a built-in disconnect, it ensures safe, efficient, and reliable backup power during outages. ## Description The Generac RXSW100A3 100 Amp Automatic Transfer Switch is designed for compatible single-phase standby generator systems and service entrance rated applications. It monitors utility power and automatically transfers electrical load to generator power during an outage, then returns load to utility once power is restored. Integrated DPM enables HVAC load management without additional hardware to help maximize generator efficiency. The NEMA 3R aluminum enclosure supports outdoor installation and durable protection Review: the electrician said it was a good buy - it work very good Review: on time - was delivered in perfect time. correct ## Features - AUTOMATIC POWER TRANSFER: Monitors utility power and automatically transfers to generator power during outages for standby protection - 100 AMP SERVICE ENTRANCE RATED: Designed for residential standby generator installations requiring service-rated switching - DPM LOAD MANAGEMENT: Integrated DPM manages up to four 24 VAC HVAC loads without added components - SERVICE DISCONNECT FUNCTION: Supports utility isolation for safer maintenance and service scenarios - NEMA 3R OUTDOOR ENCLOSURE: Outdoor-rated aluminum enclosure engineered for exterior mounting and weather exposure - WHAT’S INCLUDED: Automatic transfer switch enclosure with service disconnect functionality and integrated DPM controls ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077KPNPQ8 | | Actuator Type | Rotary | | Best Sellers Rank | #81,929 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #24 in Outdoor Generator Transfer Switches | | Brand | Generac | | Brand Name | Generac | | Circuit Type | Parallel | | Color | No Finish | | Connectivity Protocol | X-10 | | Connector Type | Screw Terminals | | Contact Material | Aluminum | | Contact Type | Electronic | | Control Method | Touch | | Current Rating | 100 Amps | | Customer Reviews | 4.8 out of 5 stars 30 Reviews | | 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 | | Operating Voltage | 240 Volts | | Operation Mode | Automatic,Automatically | | Part Number | RXSW100A3 | | Specification Met | UL | | Switch Type | Automatic | | Terminal | Physical | | UPC | 696471069648 | | Unit Count | 1.0 Count | | Wattage | 24000 watts | ## Product Details - **Brand:** Generac - **Connector Type:** Screw Terminals - **Contact Type:** Electronic - **Current Rating:** 100 Amps - **Item dimensions L x W x H:** 14.6 x 7.09 x 20 inches - **Material:** Aluminum - **Operating Voltage:** 240 Volts - **Operation Mode:** Automatic,Automatically - **Switch Type:** Automatic - **Terminal:** Physical ## Images ![100-Amp Automatic Generator Transfer Switch, Single Phase, Service Entrance Rated, NEMA 3R Outdoor Enclosure - Image 1](https://m.media-amazon.com/images/I/71iFQSOz+PL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ the electrician said it was a good buy *by J***Y on March 9, 2026* it work very good ### ⭐⭐⭐⭐⭐ on time *by M***R on October 25, 2022* was delivered in perfect time. correct ### ⭐⭐⭐⭐⭐ Only works with Generac *by T***S on August 14, 2019* Gave it 5 stars for quality from inspection, shipping and return. I thought it was a two-wire xfer switch. When I realized my mistake, Max Tool issued a prompt refund. Not prime prompt, but good still. ## Frequently Bought Together - Generac 100 Amp Single Phase Generator Automatic Transfer Switch - Service Entrance Rated - NEMA 3R Outdoor Rated Aluminum Enclosure - Power Management for Indoor and Outdoor Use - Generac 7000 50 Amp Load Manager - Efficient Load Prioritization and Wire-Free Technology for Reliable Power Management - Lock-Feature and LED Status Display for Convenient Operation - Gray - Square D by Schneider Electric HOM2175SB Homeline SurgeBreaker, Surge Protection Device, 25kA, 120/240V, 1-Phase, 3-Wire --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/85431293-100-amp-automatic-generator-transfer-switch-single-phase-service-entrance](https://www.desertcart.be/products/85431293-100-amp-automatic-generator-transfer-switch-single-phase-service-entrance) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-20*