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Briggs & Stratton 20kW Standby Generator System (400A Split Service Disconnect + AC Shedding)

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484.00 LBS
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Product Description


First In Its Class: Never Seen Before Transfer Switch Technology
Only compatible with Briggs & Stratton generators

400-Amp Service Entrance Auto Transfer Switch (71057) (NEMA 3R)
A UL Listed solution for 2 x 200-Amp Service Breakers
Easy install - one less switch, less wiring/time, fewer expenses

Smaller Transfer Switch
A cost effective, cleaner looking installation

Patented Central Air Technology Using Symphony II Transfer Panel
Manages demands of up to two 5-ton central air conditioners
Intelligently powers your whole home (load dependent)

993cc Briggs & Stratton V-Twin Commercial Grade Vanguard Engine
Provides years of long lasting, reliable standby power
Galvanneal Steel Enclosure w/ Front Air Ventilation

Automotive rust proofing paint process reduces corrosion
Pushes engine exhaust out the front, away from the home
Flexible Placement (Please Verify Local Building Codes)

Tested against tough National Fire Protection Agency standards
Can be placed as close as 18” from structure
Turnkey Extras: Auto Battery Charger & Hour Meter

Industry Leading 5-Year Parts, Labor & Travel Warranty


  Model Number: 40396
  UPC: 011675403966
  Manufacturer: Briggs & Stratton
  Made in USA: Yes
  Brand: Briggs & Stratton Vanguard
  HP/CC: 993 cc
  Consumer Engine Warranty: 5 Years
  Commercial Engine Warranty: Not Available
  Engine RPM: 3600 RPM
  Low Oil Alert/Shutdown: Yes
Product Specs
  Voltage 120/240 Single-Phase
  Frequency: 60 Hertz
  Cooling System Air Cooled
  Fuel Type LP/Natural Gas
  NG Power Capacity 18,000 Watts
  LP Power Capacity 20,000 Watts
  NG Consumption (50% Load) 187 ft³/hr (BTU: 187,000 BTU/HR)
  NG Consumption (100% Load) 260 ft³/hr (BTU: 260,000 BTU/HR)
  LP Consumption (50% Load) 1.97 gallons/hr (BTU: 178,778 BTU/HR)
  LP Consumption (100% Load) 3.75 gallons/hr (BTU: 340,313 BTU/HR)
  Rated Amps: 83 Amps @ 240 Volts (Single Phase)
  Decibel Rating @ 7m: 68.4 db(A)
  A/C Ton Rating 2 x 5-Tons
  Enclosure Steel
  Mounting Pad Steel (Included)
  Transfer Switch: Automatic (Included)
  Transfer Switch Amperage: 400-Amps
  Transfer Switch Style Service Disconnect
  ATS Service Disconnect: Yes
  ATS Load Shedding: Built-In
  ATS Load Prioritizing: Sold Separately
  Battery: 540 CCA
  UL Listed Yes
  Weight: 484 Lbs. (219.54 kilograms)
  Dimensions: 50.5"L x 32.9"W x 31"H
(128.27 x 83.57 x 78.74 cm)
  Consumer Warranty: 5 Years


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