Generac Protector 48kW Diesel (RD04833)
48000 W, diesel
Generac Protector XG 48kW
Standby generator · XG Protector Series. Specs from the manufacturer page (checked ).
The Generac Protector XG 48kW is a 48,000 W standby generator with a 4.5 L engine that senses a power outage and turns on automatically. It is a 1-phase unit that runs on liquid propane or natural gas and is designed to power a whole home or business.
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Running
48000W
Fuel
dual-fuel
Weight
808kg
Key features
- Automatic start: senses a power outage and turns on by itself
- Quiet-Test mode runs a five-minute test at a lower speed, programmable weekly, biweekly, or monthly
- TruePower Technology: less than 5% total harmonic distortion
- Cellular connectivity for monitoring via Mobile Link (owner) and Fleet (servicer)
- Controller-selectable fuel type: Liquid Propane or Natural Gas
- Flooded lead acid Group 27 battery included
- Aluminum enclosure with electro-galvanized steel and aluminum frame components and a stainless-steel exhaust system
- Weight 808 kg (1,781 lb)
What it is for
- Home backup during power outages
- Business backup during power outages
Specifications
| Running watts | 48000 W |
|---|---|
| Fuel | dual-fuel |
| Weight | 808 kg (1781.3 lb) |
| Dimensions | 211.8 × 86.4 × 114.8 cm (83.4 × 34.0 × 45.2 in) |
From the Generac page. Values the manufacturer does not publish are left out.
What is in the box
- ecobee by Generac smart thermostat
- Flooded lead acid Group 27 battery
Similar standby generators
Generac Protector 50kW Diesel (RD05033)
50000 W, diesel
Generac Protector XG 40kW
40000 W, dual-fuel
Generac Protector XG 60kW
60000 W, dual-fuel
Connection and wiring
Follow the diagrams in the Generac manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Generac manual (PDF) →
Error codes and troubleshooting
| Code | Meaning | What to do | Manual page |
|---|---|---|---|
| Auxiliary Shutdown | Active alarm that must be cleared before the generator can start. | Verify the controller-face emergency shutdown switch is ON (I). Clear the alarm. If equipped, the rocker switch must be set to ON (I) to clear it. | 17 |
| Overcrank | Fault during initial startup. The generator may exceed the normal number of start attempts because air accumulated in the fuel system during installation. | Reset the alarm and restart up to two more times, if necessary. If the unit still fails to start, contact an IASD for assistance. Call service if it persists. | 19 |
| Battery Problem | Listed as a warning. Warnings do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Canbus Error | Listed as a warning. Warnings alert the operator to conditions that do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Charger Missing AC | Listed as a warning. Warnings do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Charger Warning | Listed as a warning. Warnings do not disable the unit or require immediate correction. The manual notes a warning appears when the battery requires service. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
6 of 54 codes. From the Generac manual. All 54 Guardian 24kW / Guardian 22kW / Guardian 26kW / Guardian 18kW codes →
FAQ
Can the Generac Protector XG 48kW start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 48000 W output (no separate peak published). That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.