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Briggs & Stratton 40533 12kW Generator with 100A SE Transfer Switch

Estimated to Ship 1/15
5 Stars 1 product review
Average Product Review Rating: 5/5
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The Briggs & Stratton 40533 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 40533 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 100-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


40533 Specifications Sheet 40533 Specifications Sheet
Transfer Switch Specifications Sheet Transfer Switch Specifications Sheet
40533 Warranty 40533 Warranty

Product Reviews

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  1. Love the Compact Size. Briggs & Stratton 40343 12kW Generator with 100A SE Transfer Switch

    5 star rating Product Review Rating: 5/5

    Posted by on Jun 09, 2015

    I selected this unit because of the compact size as I have a lot going on the side of my house where this needed to be installed. This is a great 12kW generators. It powers up everything I need in my house. Great ordering experience. Thanks AP Electric.

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