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Internet # 203197670


Store SO SKU #1000499400

Transfer Switch Kit for Gen Ready Load Center

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  • Auto Transfer switch
  • 22 kA Interrupting Rating, 225A, 120/240V, 1 Phase
  • To be used for automatic standby generation installation
  • View More Details
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Product Details

About This Product

Designed for use with the Siemens series of Gen Ready load centers, the Siemens GENTFRSWTCH automatic transfer switch installs inside the load center and provides an automatic means of switching between utility and generator power. When connected to a Siemens or compatible standby generator, operation is completely automatic. When used in conjunction with a Siemens Gen Ready load center, one enclosure replaces what has typically required 3 (load center, transfer switch and sub panel).


  • Automatic transfer switch feature operates automatically when it's connected to the generator
  • Installation of transfer mechanism can be performed at time of generator installation of the product
  • Generator switch transfers power load from utility to generator and back to utility
  • UL listed
  • Return Policy

Product Information

Internet # 203197670


Store SO SKU #1000499400

Additional Resources

Shop All Siemens


Dimensions: H 10 in, W 24 in, D 36 in


Product Depth (in.)

36 in

Product Height (in.)

10 in

Product Width (in.)

24 in




Electrical Product Type

Transfer Switch


No Additional Features



Maximum Amperage (A)


Maximum Wattage (W)

0 W

Number of Circuits


Phase Type

1 Phase

Power Distribution Features

No Additional Features

Product Weight (lb.)

4 lb



Voltage (V)


Warranty / Certifications

Certifications and Listings

UL Listed

Manufacturer Warranty


Questions & Answers

Q:Are the utility and generator switches siemen circuit breakers? I have a switch the has failed and am looking for a replacement. My switch is the Generac 5447 EZ transfer operator.
by|Mar 6, 2022
1 Answer
Answer This Question

A:  Generac 5447 EZ transfer operator is supported by Generac, please reach out to them for assistance with replacement parts.

by|Mar 8, 2022
    Q:My Sieman's gen-ready panel does not have a place to bolt down the transfer switch. I have the manual lockout switch in place right now but want to switch to the automatic control for a Generac generator. Is there a different version of this switch?
    by|Feb 27, 2022
    1 Answer
    Answer This Question

    A:  We would need to know the part# of your existing load center to determine if there is another option of the switch. Please send your request for information with the part# of your load center to productselection.us@siemens.com for further assistance.

    by|Feb 28, 2022
      Q:Can it be manually overridden? Meaning, can I manually switch to generator power while the grid is up or does it only allow failover in automatic mode?
      by|May 31, 2019
      1 Answer
      Answer This Question

      A:  Manual override is accomplished by actuating the appropriate breaker on the lower side of the GENTFRSWTCH as installed in the Generator Ready Load Center (one is the utility input and the other is the generator input). Since these are interlocked, one will turn off and the other on.

      by|May 31, 2019
        Q:Will this switch work with any brand generator or does it need to communicate with a specific generator control board
        by|Jan 17, 2017
        2 Answers
        Answer This Question

        A:  The switch only works in the Siemens panel. However, it will work with any generator in manual mode; or it will work in automatic mode with a proper control signal. Reference Generac Tech Manual link: soa.generac.com/manuals/4734567/0G1369

        by|Mar 22, 2021
          2 found this answer helpful

          A:  Shannon, This transfer switch is only designed for use in Siemens branded generator ready load centers.

          by|Feb 5, 2021
            Showing 1-4 of 6

            Customer Reviews

            3 out of 5

            • 3 out of 2 reviews
            • 0% recommend this product
            Filter by:
            Showing 1-2 of 2 reviews
            Great product. Easy to install in the Siemens ready panel....
            Great product. Easy to install in the Siemens ready panel. I am a Master Electrician so easier for me than non trade person.
            • Verified Purchase
            1 found this review helpful
            Did not work for me
            First of all the instructions are poor at best. I thought it might be me but I had an electrical contractor look at it and he felt the same way. Second i have a Gen Ready load center made by the same manufacture as this switch and it dose not fir into the panel. No place to bolt it down, also verified by the contractor. I am returning it.
            Response from SIEMENS Product ExpertJan 27, 2016

            I apologize about the experience that you have had with installing this transfer switch. This transfer switch should fit properly and install into all Siemens generator ready load centers assuming the breakers are installed in the correct places. If you could share with me the Siemens part number of the panel I may be able to assist you further. Our retail customer support can be reached at 1-800-478-6346 if you have any further questions. SIEMENS
            • DIY
            • Verified Purchase
            Showing 1-2 of 2 reviews