Briggs and Stratton 40400 12kW Standby Generator and 200 Amp Whole House Transfer Switch

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Briggs and Stratton 40400 12kW Standby Generator and 200 Amp Whole House Transfer Switch
Includes 200-Amp auto transfer switch. Closer placement options for ease of installation per the National Fire Protection Agency 37 standard. 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. Comprehensive generator warranty.


This Briggs & Stratton Standby Generator protects your home and family with affordable, reliable Briggs & Stratton backup power. Its streamlined design meets the power needs of your whole house, with a more compact, affordable unit. This home standby generator includes a 200 Amp outdoor/indoor NEMA 3R rated automatic transfer switch for easy installation with Service Entrance Disconnect (SED). Managed Whole House Power provides managed power to all of your high-wattage household appliances plus up to two air conditioners with our Load Control Center. All weather-resistant transfer switches are NEMA 3R rated for maximum protection against dirt, rain, sleet and snow. 12kW generators feature fully automatic advanced electronics will detect a utility power outage and automatically start the generator whether you are home or away. Streamlined, space-saving design. Its sleek, compact profile blends in beautifully with your home’s exterior and landscaping, much like your central air conditioner. Tested against tough National Fire Protection Agency standards, Briggs & Stratton standby generators can be placed as close as 18" from the home providing more placement options in your yard - perfect for tight lot lines. Durable outdoor enclosure. Galvanneal steel provides years of rustproof, outdoor protection - perfect for extreme weather conditions. Rated for operation in areas with low natural gas pressure. This standby generator can operate at 3.5" to 7" water column. Limited 3 year Parts and Labor warranty. This Briggs & Stratton Engine is application engineered to stringent home generator specifications, these premium engines will provide years of long-lasting, reliable standby power. Available for sale in all 50 states.
  • 40326 12kW Generator
  • Running Watts (LP): 12000
  • Running Watts (NG): 11000
  • Engine Brand: Briggs & Stratton
  • Engine Series: Professional Series
  • CC: 803
  • Operation: Fully Automatic
  • Voltage (V): 120/240V AC, Single Phase, 1.0 pf
  • Amps LP/NG: 50.0/45.8
  • Alternator Type: Brushless, Computer-friendly
  • Voltage Regulation: Capacitor
  • Fuel Type: Propane (LP Vapor), Natural Gas (NG)
  • Fuel Consumption (Cubic Feet per Hour @ 1/2 Load): 1.42gal/hr (LP Vapor) 119ft3/hr (NG)
  • Fuel Consumption (Cubic Feet per Hour @ Full Load): 2.36gal/hr (LP Vapor) 119ft3/hr (NG)
  • Full Pressure Lubrication: Yes
  • Weekly Exerciser: Yes
  • Battery/Battery Charger: Yes
  • Overcrank Protection: Yes
  • Hour Meter: Yes
  • Diagnostic Alerts with Remote System Status: Low Oil Shutdown, Engine Does Not Start, Low Frequency, Engine Overspeed, Low Voltage, Low Battery Voltage, Oil Temp High, Transfer Switch Fault
  • Length (in): 34.6
  • Width (in): 39.4
  • Height (in): 38.5
  • Weight (lbs): 535
  • Warranty: 3 Year Limited Parts and Labor
  • BTU's/Hour @ 1/2 load: 102,000 (NG)
  • 71046 Automatic Transfer Switch
  • Circuits: Whole House
  • Amps: 200A
  • Common Features: 120/240 Voltage, 2 Poles, 60Hz Frequency, NEMA 3R, UL 1008 Listed
  • Power Management Method: ACCM, Patented A/C Power Control Module
  • Service Entrance Disconnet: Yes
  • Dimensions (L x W x H): 7" x 16" x 30"
  • Weight: 58 lbs.

12kW Standby Generator (40326), 200 Amp SED Whole House Auto Transfer Switch (71046), battery charger, hour meter and installation base.

Additional Information

Additional Information

Power Source LPG / NG