Generac Smart Transfer Switch ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$634.29
$621.81
GENERAC RXSC100A3 RXSC100A3 - Smart Switch 100 Amp 120/240 1Ø NEMA 3R CUL

Generac Smart Transfer Switch 100 Amp 120/240V Single Phase NEMA 3R with Digital Power Management

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Model: RXSC100A3
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$621.81
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Generac Smart Transfer Switch 100 Amp 120/240V Single Phase NEMA 3R with Digital Power Management

Professional Automatic Power Transfer & Load Management

The Generac Smart Transfer Switch delivers reliable automatic power transfer with advanced digital power management capabilities. This UL and CUL listed 100 amp single-phase transfer switch features 120/240V operation in a durable aluminum NEMA 3R enclosure with electrostatically applied and baked powder paint finish for years of dependable service.

Professional Features & Benefits

  • 100 Amp Service Rating: Handles substantial electrical loads for comprehensive backup power coverage in residential and light commercial applications.
  • Digital Power Management (DPM): Manages up to 4 individual HVAC loads with 24 VAC control without additional hardware, optimizing generator capacity utilization.
  • NEMA 3R Aluminum Enclosure: Weather-resistant housing with powder-coated finish provides reliable outdoor installation protection and long-term durability.
  • Heavy Duty Generac Contactor: UL and CUL recognized contactor designed for years of reliable switching service with integrated timing and sensing functions.
  • Smart Management Module Compatibility: Expands load management capability to handle up to 8 additional loads when used with smart management modules.
  • 5 Year Limited Warranty: Comprehensive warranty coverage ensures long-term reliability and peace of mind for professional installations.
  • UL and CUL Listed: Meets rigorous safety and performance standards for code-compliant installations across North America.

Technical Specifications

  • Amperage: 200 A
  • Assembled Weight: 20.0 lbs
  • Color Finish: grey
  • Contains Chemicals That Cause Birth Defects Calif Prop65 : No
  • Country Of Origin: United States
  • Department: Electrical
  • Installation Hardware Included: transfer switch
  • Installation Instructions Included: Yes
  • Manufacturer Warranty: 5 year limited
  • Material: aluminum
  • Maximum Generator Input: 22000 W
  • Overall Depth: 9 in
  • Overall Height: 21 in
  • Overall Width: 16 in
  • Product Group: Power Distribution
  • Product Subgroup: Transfer Switch
  • Product Voltage: 120 V
  • Restrictions: No
  • Weight: 20 lbs

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Residential Backup Power Systems
  • Small Commercial Facilities
  • Professional Offices
  • Retail Establishments
  • Multi-Unit Properties
  • Light Industrial Applications
  • Emergency Services Facilities

Smart Load Management Advantage

The integrated digital power management technology enables intelligent load cycling and HVAC control, maximizing generator efficiency while maintaining essential services. This smart switching capability allows the system to automatically manage power distribution based on priority loads and available generator capacity.

Why Choose Generac Quality?

Generac transfer switches combine proven reliability with advanced technology, backed by comprehensive 5 year limited warranty coverage. The UL and CUL listed design with aluminum NEMA 3R construction ensures dependable performance in demanding applications while meeting stringent safety and durability standards.

Manufacturer Resources

Product Specs

Amperage:
200 A
Assembled Weight:
20.0 lbs
Color Finish:
grey
Contains Chemicals That Cause Birth Defects Calif Prop65 :
No
Country Of Origin:
United States
Installation Hardware Included:
transfer switch
Installation Instructions Included:
Yes
Manufacturer Warranty:
5 year limited
Maximum Generator Input:
22000 W
Overall Depth:
9 in
Overall Height:
21 in
Overall Width:
16 in
Restrictions:
No
Department:
Electrical
Product Group:
Power Distribution
Product Subgroup:
Transfer Switch
Product Voltage:
120 V
Product Material:
aluminum
Product Weight:
20 lbs

Generac RXSC100A3 – Frequently Asked Questions

1) Can the Generac RXSC100A3 smart transfer switch be mounted outdoors?
Yes. The RXSC100A3 comes in an aluminum NEMA 3R enclosure with an electrostatically applied, baked powder paint finish, so it is rated for outdoor wall mounting as well as indoor. Plan the location around the box footprint: 21 inches high, 16 inches wide, and 9 inches deep, with working clearance in front for conduit landings and service.
2) What size generator will the Generac RXSC100A3 transfer switch handle?
The RXSC100A3 accepts a maximum generator input of 22,000 watts at 120/240V single phase. That covers air-cooled home standby sets up to 22 kW; anything larger needs a switch rated above that input.
3) Will a Generac smart transfer switch work on a 3-phase service?
No. The RXSC100A3 is a single phase 120/240V switch. For a three phase service you need a three phase transfer switch; this one will not work on 208V or 480V three phase panels found in larger commercial buildings.
4) How does digital power management on the Generac smart switch keep a generator from overloading?
Digital power management in the RXSC100A3 manages up to 4 individual HVAC loads using 24 VAC control, with no extra hardware needed. It sheds and restores those loads based on priority and how much generator capacity is left, so the set can carry a larger house or office than its raw wattage would otherwise allow.
5) Can I add more managed circuits beyond the four HVAC loads?
Yes. Used with Generac smart management modules, the RXSC100A3 extends load management to as many as 8 additional loads on top of the 4 HVAC loads handled by the built-in digital power management. The modules are separate items and are not included with the switch.
6) Is the Generac RXSC100A3 transfer switch UL listed for code compliance in Canada and the US?
It is UL and CUL listed, and the Generac contactor inside it is UL and CUL recognized, so it can be used on code compliant installations across North America. The contactor carries the timing and sensing functions for automatic transfer.
7) What comes in the box with the Generac RXSC100A3, and what does the electrician still need to supply?
You get the transfer switch itself plus installation instructions. Conduit, fittings, conductors, the generator, and any smart management modules for extra load control are separate. The unit weighs 20 lbs assembled, so one person can hang it.
8) Is the Generac RXSC100A3 suitable for a small commercial building or only for houses?
Both, within its single phase 120/240V limit. It is used on residential standby systems and on light commercial work such as professional offices, retail spaces, multi-unit properties, and emergency services facilities, provided the service is single phase and the generator is 22 kW or less.
9) Where is the Generac RXSC100A3 transfer switch made, and does it carry a Prop 65 chemical warning?
Country of origin is the United States, and the unit is not flagged for California Prop 65 birth defect chemicals. No shipping restrictions are flagged on it either, which matters for procurement paperwork on institutional orders.
How fast can I get the Generac RXSC100A3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Generac RXSC100A3 come with a warranty?
Absolutely. The Generac RXSC100A3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Generac RXSC100A3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Generac RXSC100A3 from ZenSupply?
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