Standby Generator, 45kW | 3600 RPM

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.

Generac 45kW 3600 RPM

The Generac 45kW 3600 RPM standby generator provides powerful and dependable backup power for residential, commercial, and light industrial applications. Engineered to automatically engage during outages, it supports essential systems, large appliances, and sensitive electronics with ease. Its corrosion-resistant aluminum enclosure and compact footprint make it a durable, space-efficient solution for varied environments.

Key Benefits of Generac 45kW 3600 RPM

  • Quiet-Test™ Mode – Operates at reduced RPM for quieter, more efficient testing cycles.
  • Cellular Connectivity – Monitor performance remotely with Mobile Link and Fleet service integration.
  • TruePower™ Technology – Less than 5% harmonic distortion for safe use with sensitive electronics.
  • Surge Capacity – Handles high startup loads for motors and heavy equipment.
  • Small Footprint – Maximizes power in a compact design suitable for tight spaces.
  • Controller Selectable Fuel – Easily switch between liquid propane and natural gas.
  • Durable Construction – Aluminum housing and stainless exhaust for long-term protection.

Common Applications

  • Large residential estates
  • Commercial offices requiring continuous power
  • Light industrial facilities

Packaging

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

Product Properties

Property Value
Fuel Type Liquid Propane or Natural Gas
Running Watts 45000
Engine Size 2.4 L
Engine Type 4-cyl In-line
Battery Size Group 26
Battery Type Flooded Lead Acid
Enclosure Aluminum
Weight 1260 lb
Oil Capacity 4 qt
NG Consumption – 50% 3.5 gal/hr
NG Consumption – 100% 5.4 gal/hr
Quiet-Test Yes

For more power options, see the Generac 40kW 3-Phase. Learn more at Generac.com.

Technical Documents