
Generac RXSW200A3SPD 200A Service-Entrance Automatic Transfer Switch with Surge Protection (NEMA 3R)

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At a glance
- Amperage
- 200A
- Poles
- 2-pole
- Voltage/Phase
- 120/240V single-phase
- Service Entrance Rated
- Yes
- Enclosure
- NEMA 3R aluminum (indoor/outdoor)
- Surge Protection
- Built-in whole-house SPD, 50 kA per phase, Type 1 or Type 2 rated
- Transition Type
- Open transition (automatic)
- Withstand Rating
- 22,000A
- Listings
- ETL Listed (ETL us); SPD UL 1449 4th Edition Listed
- Load Management
- Integrated Smart A/C Module manages up to 4 HVAC loads (expandable +8 with SMMs)
- Lug Range
- 250 MCM - #6
- Dimensions
- 30.0 H x 13.5 W x 6.3 D in (672 x 342.9 x 160.1 mm)
- Weight
- 39.0 lbs (17.7 kg)
- Warranty
- 5-year limited
Not sure if this fits?
Why this generator
- 200-amp service-entrance rated Smart Switch delivers whole-house transfer with utility disconnect built in — no separate service disconnect required
- Factory-installed, pre-wired whole-house surge protection device (50 kA per phase, Type 1/Type 2 rated) satisfies NEC 2020/2023 Article 230.67
- Integrated Smart A/C Module manages up to 4 HVAC loads out of the box, expandable to 8 more loads with Smart Management Modules
- Rugged aluminum NEMA 3R enclosure with baked powder-coat finish installs indoors or outdoors
- Heavy-duty ETL-recognized Generac contactor with 22,000A withstand rating and thermally protected MOVs for long service life
- Pairs seamlessly with Generac single-phase generators using Evolution or Nexus controllers, backed by a 5-year limited warranty
Everything you need to know
Generac RXSW200A3SPD 200a service-entrance automatic transfer switch with surge protection (NEMA 3R enclosure). 120/240V single-phase, designed to pair with Generac air-cooled home standby generators.
Genuine Generac unit from a factory-authorized dealer. Ships via calculated freight — shipping shown at checkout (heavy/hazmat item). Professional installation available in NC & SC.
Frequently asked questions
Is this a genuine OEM part?+
Yes — sold and shipped as a genuine Generac part from a factory-authorized dealer.
Will it fit my unit?+
Check your model and year — message us with that info and we'll confirm fit before you order.
How fast does it ship?+
Low cost ground shipping — calculated at checkout (batteries, transfer switches and oversized items). Most leave the warehouse in 2–4 business days.
What's the return policy?+
30-day returns on unused parts and accessories in original packaging.
Fast nationwide shipping
Low cost ground shipping — calculated at checkout. Most items leave the warehouse in 2–4 business days.
Install help, no upsell
We size, spec, and connect you with a vetted local installer — or talk your contractor through it for free.
Genuine Generac part
Sold and shipped as a genuine Generac OEM part from a factory-authorized dealer. 30-day returns on unused parts in original packaging.