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
Not sure if this fits?
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. 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.