RSB Conversion Kit - Outdoor, Load Center, No Enclosure, 125-amp Generator Breaker

Single Phase, Indoor or Outdoor

Starting at $1,063.00 MSRP*
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*Starting price in US dollars. Does not include installation, generator, accessories or costs to export outside the US.


It’s the brains behind your generator system. The RSB Intelligent Transfer Switch is a service-entrance-rated electrical distribution panel with a built-in automatic transfer switch (ATS). The ATS continuously monitors the power coming from your utility. When the power goes out, the ATS automatically transfers power from the utility to your generator. When utility power is restored, the ATS turns off your generator and transfers back to power from the utility grid. Includes the Intelligent Load Center (below).

  • Automatically transfers power to your generator during an outage


  • Combines automatic transfer switch with 200-amp panel.
  • Ideal for adding generator during new construction or remodeling.
  • Saves by reducing installation time and material costs.
  • Options available to install indoors or outdoors.
  • Steel enclosure.
  • 5-year, 2000-hour limited warranty.
  • Amps: 150-, 200- and 225-amp panels; 50- to 125-amp generator breakers.
  • Volts: 240.
  • Poles: 2.

Intelligent Load Center

  • Standard 200-amp Square D® QO® electrical panel with special transfer switch knockouts that make the home generator-ready, whether you add a generator now or in the future.
  • Reduces the cost of adding a generator to new construction or remodeling projects.
  • Eliminates the need for additional wiring and secondary transfer switch panel.
  • Reduces installation time and cost to builder or electrical contractor.

Load Control Time Delay Yes
All-in-one main distribution panel and ATS Yes
Generator breaker rating 125 amps
Complete kit: Generator-ready main distribution panel and ATS logic kit No
Generator-Ready main distribution panel only No
Automatic Transfer Switch logic kit only Yes
ATS-mounted controller user interface Yes
Position indicating LEDs Yes
Source available indicating LEDs Yes
Common / fault relay No
Accessory board with audible alarm, input and output connections, 2-week exercise option, and 10 minute load control delay option Optional
Parameters can be adjusted using a PC with SiteTech™ software (available to Kohler® distributors) No
External alarm module available for remote status indication and remote generator set start/stop No
Enclosure Material
Warranty 5-year limited
Country of Origin US
Certifications/Listings UL Listed
Enclosure Type Indoor or Outdoor
Load shedding Optional
Generator Compatibility All Single Phase KOHLER Residential/Small Business Generators
Weight 43 lbs.
Controller MPAC 550
Frequency 60 Hz
Load Center w/Load Center
Phase Single Phase
Transfer Switch Type Service Entrance
Wires 3