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Briggs & Stratton 40531 12kW Generator with 200A SE Transfer Switch

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4 Stars 1 product review
Average Product Review Rating: 4/5
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The Briggs & Stratton 40531 12kW Air-Cooled Standby Generator protects your home and family with affordable, reliable Briggs & Stratton backup power. This generator is 50% smaller and 60% quieter than our previous model. Its streamlined design meets the power needs of your whole house, with a more compact, affordable unit. This home standby generator includes outdoor/indoor NEMA 3R rated automatic transfer switch for easy installation. You can truly power more for less with this little powerhouse.

Briggs & Stratton 40531 Features:

  • Thanks to Symphony II Power Management System, a smaller home generator system by Briggs & Stratton can meet all your needs and save you money in the process.
  • This 12kW with Symphony II Power Management can manage a home, up to 5,500 square feet with a 4-ton air conditioner saving you thousands less than a previously required 20kW
  • Includes 200-Amp auto transfer switch
  • Compliancy with the NFPA 37 standard means it can be placed as close as 18” from your home for flexible placement3 options — perfect for tight lot lines.
  • Automatically sends back up power to your home in seconds after sensing a power outage
  • Durable home generator enclosures are made from the same rust-resistant, Galvanneal steel that is used in the automotive industry
  • Dependable engine power from commercial-grade Briggs & Stratton engines
  • Comprehensive 5-year parts, labor and travel limited warranty
  • This standby generator is available for sale in all 50 states
  • Rated for operation in areas with low natural gas pressure. This home generator can operate at 3.5’’ to 7’’ water column.


40531 Specifications Sheet 40531 Specifications Sheet
Transfer Switch Specifications Sheet Transfer Switch Specifications Sheet
40531 Warranty 40531 Warranty

Product Reviews

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  1. Briggs & Stratton 40400 12kW Generator with 200A SE Transfer Switch (Whole House)

    4 star rating Product Review Rating: 4/5

    Posted by on Jun 09, 2015

    Fast shipping. You call center guys are great. East to install. Great price. I could not ask for a better experience. I recommend this home standby generator.

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