Generac RXG16EZA1W 100A 16-Circuit Load Center Automatic Transfer Switch (NEMA 1)
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At a glance
- Amperage
- 100A
- Voltage/Phase
- 120/240V single-phase, 60 Hz
- Service Entrance Rated
- No (connects to main distribution panel via pre-wired whip)
- Enclosure
- NEMA 1 powder-coated steel (indoor)
- Circuits
- 16-circuit integrated load center
- Transition Type
- Open transition (automatic)
- Withstand Rating
- 10,000A
- Listings
- cETLus Listed; suitable for optional standby systems (NEC 702)
- Generator Compatibility
- Generac 8-24 kW air-cooled standby generators
- Lug Range
- 2/0 - #14 AWG (conductor, neutral, and ground)
- Dimensions
- 26.4 in H x 12.6 in W x 6.3 in D (cover)
- Warranty
- 5-year limited
Why this generator
- Pre-wired with a 2-foot flexible whip and integrated 16-circuit load center for faster, cleaner installation alongside your main panel
- 100-amp, 120/240V single-phase switching matched to Generac 8-24 kW air-cooled home standby generators
- Powers up to 16 essential circuits, ideal when only a portion of a larger home's load needs backup
- Multi-listed for 1-inch standard, tandem, GFCI, and AFCI breakers from Siemens, Murray, Eaton, and Square D
- Open-transition design with 10,000A withstand rating; all timing, sensing, and weekly exercise functions handled by the generator controller
- cETLus Listed for optional standby systems (NEC 702) in a rugged NEMA 1 powder-coated steel indoor enclosure, backed by a 5-year limited warranty
Everything you need to know
Generac RXG16EZA1W 100a 16-circuit load center automatic transfer switch (NEMA 1 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.