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
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. Free shipping to the lower 48. 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?+
Free shipping to the lower 48. Most accessories and parts ship within 2–4 business days.
What's the return policy?+
30-day returns on unused parts and accessories in original packaging.
Free curbside shipping
Liftgate delivery to the lower 48. Most orders leave the warehouse in 3–5 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.
Real Cummins warranty
Full 5-year / 2,000-hour limited warranty — registered and supported through Cummins directly.