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Protector 45kW Generator

Packing a lot of power into a smaller footprint with less noise, ideal applications include larger homes, gas stations, convenience stores and other small businesses.

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Automatic Backup Power For Large or Custom Homes

Looking to back up your entire home, or more items than usual? Consider the Protector gaseous automatic backup generator line. These units powers essential appliances and modern technologies during power outages, allowing homeowners and their families to continue living life comfortably and without interruption.

What Makes the Protector Series Such a Great Choice?

Generac's Protector Series offers benefits that competitors can't match. Installation flexibility and cost reduction. Sophisticated, yet intuitive controls. Quiet operation.

The best liquid cooled engine packs more power into a smaller footprint - ideal when space is a premium. The neutral styling, color and small footprint fits unobtrusively into landscaping. Clean burning, continuous fuel choice of natural gas to LP.

True Power™ Technology

Best-in-class power quality with less than 5% total harmonic distortion means clean, smooth operation of your sensitive electronics and appliances.

Evolution™ Controller

A cutting-edge, intuitive control. The Evolution controller features a multilingual, two-line LCD text display with color-coded, backlit buttons. It has received upgrades, including USB flash capability, smart battery charging, voltage adjustment, and backlit membrane pad style buttons.

Durable Steel Enclosure

Sturdy galvanneal steel enclosure with a durable powder-coat finish for superior weather protection.

Aluminum Enclosure NOW Available

Aluminum enclosures provide enhanced durability, and are corrosion resistant - ideal for homes located in coastal and salt-water environments.


All backup generators run a weekly test to ensure the system is running properly. Thanks to Quiet-Test, your Protector Series home generator runs its self-test at a lower, quieter RPM, which can be programmed to run weekly, bi-weekly, or monthly.

Spec Sheet