Generac Protector 30kW Diesel (RD03022)

Standby generator · Protector Series. Specs from the manufacturer page (checked 2026-10-27).

The Generac Protector 30kW Diesel (RD03022) is a diesel automatic standby generator rated at 30,000 running watts. It is designed for residential and light commercial backup power and is sold with a 5-year limited warranty.

View at Generac →Sponsored link; we may earn a commission.

Key features

• Rated at 30,000 running watts (W)
• Evolution Controller with a multilingual, two-line LCD text display and color-coded, backlit buttons
• Quiet-Test mode runs the weekly self-test at a lower, quieter RPM than standard operation
• Mobile Link connectivity to monitor operating status and maintenance schedule from a smartphone, tablet or PC, standard on diesel (RD) models
• Isochronous governor with voltage regulation of +/- 1% and frequency regulation
• Optional extended tank with full load runtime of 2+ days
• Available in single-phase and three-phase configurations
• Code Ready: UL/CUL 142-listed double-walled base tank and UL/CUL 2200-listed generator

What it is for

• residential backup power
• light commercial backup power

Specifications

From the Generac page. Values the manufacturer does not publish are left out.

Similar standby generators

All Generac models →

Connection and wiring

We have not linked an official manual for this model yet; see the Generac page.

Error codes and troubleshooting

We have not found an official code table for this model yet.

FAQ