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Generac 32kW 120/240V 1-Phase Standby Generator

Standby Generator, 40kW | 208/240/480 V 3-Phase

Thousands of homeowners and business owners trust their Protector Series automatic backup generator to power their entire home or business during a power outage. A Protector Series generator senses a power outage, turns on automatically, and delivers power for your entire home, including all large appliances and sensitive electronics. Sound levels are quieter with no change in level or tone. This allows you to continue living life comfortability and keep business operating without interruption.

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Standby Generator
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Generac 40kW 3-Phase

The Generac 40kW 3-Phase standby generator offers dependable backup power for residential, commercial, and light industrial applications. Designed to start automatically during a power outage, it delivers full-building coverage with the ability to run large appliances and sensitive electronics. Featuring corrosion-resistant construction and a compact footprint, it is built to perform in harsh environments while blending unobtrusively into landscaping.

Key Benefits of Generac 40kW 3-Phase

  • Quiet-Test™ Mode – Runs at lower RPM for quieter, fuel-efficient self-testing.
  • Cellular Connectivity – Enables remote monitoring through Mobile Link and Fleet services (where supported).
  • TruePower™ Technology – Maintains less than 5% total harmonic distortion to protect sensitive electronics.
  • Surge Capacity – Starts and powers large electrical loads reliably.
  • Corrosion Resistance – Aluminum enclosure with stainless-steel exhaust for maximum durability.
  • Single-Side Maintenance – All service points accessible from one side for convenience.
  • Controller Selectable Fuel – Switch easily between natural gas and liquid propane.
  • Configurable Voltage Output – Factory-set for 208/120 V; reconfigurable for multiple voltage needs using a VCC cartridge.
  • Advanced Engine Controls – Dual-valve, ultra-low pressure fuel delivery with over 100 performance functions.

Common Applications

  • Commercial buildings requiring 3-phase backup
  • Industrial facilities needing voltage flexibility
  • Large residential properties with high electrical demand

Packaging

Includes generator unit, aluminum enclosure, installation guide, and warranty. Battery not included.

Product Properties

Property Value
Fuel Type Liquid Propane or Natural Gas
Running Watts 40000
Engine Size 4.5 L
Battery Size Group 27
Battery Type Flooded Lead Acid
Enclosure Aluminum
Oil Capacity 0 qt
Voltage Configurability 208/240/120 or 480/277 V
Max Continuous Power (NG) 0 kW
Max Continuous Power (LP) 0 kW
Main Line Circuit Breaker 0 A
Quiet-Test Yes

For a single-phase option, see the Generac 40kW 1-Phase. Learn more at Generac.com.

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