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The Generac XG04845CNAC is a 48kW liquid-cooled automatic standby generator designed for backup power applications using 3-phase service. This model supports 208/120V 3-phase output and can be configured for 240/120V or 480/277V 3-phase applications with optional Voltage Configuration Cartridges. It uses a 4.5L engine operating at 1800RPM and supports natural gas or vapor propane fuel. The generator is catalyst equipped and listed as CA and MA emissions compliant in the supplied product data. With Quiet-Test mode, cellular connectivity, TruePower technology, and corrosion-resistant construction, this model supports practical standby power planning for properties and facilities that need verified voltage, fuel, and emissions compatibility.
The XG04845CNAC is built for standby generator projects where 48kW output, 3-phase service, and voltage flexibility are important requirements. The supplied data lists 208/120V as the base voltage and notes configurability for 240/120V or 480/277V using optional Voltage Configuration Cartridges.
Quiet-Test mode runs a lower-speed five-minute test cycle to help confirm system readiness while reducing fuel use during the exercise cycle. The supplied details also note that the XG048 operates at low sound levels during exercise and backup operation within its power class.
This Generac XG Series generator supports natural gas or vapor propane fuel. Controller-selectable fuel setup helps simplify installation planning by allowing fuel type selection through the controller rather than requiring a more complex mechanical conversion process.
The supplied product details list an aluminum enclosure, electro-galvanized steel and aluminum frame components, and a stainless-steel exhaust system for corrosion protection. This construction helps support long-term outdoor placement when the generator is professionally installed and maintained.
The Generac XG04845CNAC is designed for permanent standby generator applications where 48kW output, 3-phase service, and configurable voltage planning are part of the project. Its 208/120V base configuration and optional VCC support for 240/120V or 480/277V applications help match the generator to site requirements.
With Quiet-Test mode, cellular monitoring support, TruePower technology, and corrosion-resistant construction, this generator is built for buyers who need practical standby power planning and long-term service visibility. The catalyst-equipped configuration supports CA and MA emissions requirements noted in the supplied product data.
Need help matching this generator to your site voltage?
Contact TrueStead Supply for generator sizing guidance, voltage configuration support, and quote assistance.
✔ Backup power guidance ✔ Voltage configuration support ✔ Generator quote assistance
Contact Us for a Quote| Brand | Generac |
| Series | Liquid Cooled XG Series |
| Model / SKU | XG04845CNAC |
| Product Type | Liquid-cooled automatic standby generator |
| Generator Type | Protector gaseous generator |
| Rated Power Output | 48kW |
| Fuel Type | Natural gas / vapor propane |
| Voltage | 208/120V; configurable for 240/120V or 480/277V with optional VCC |
| Phase | 3-phase |
| Engine | 4.5L engine, 1800RPM |
| Controller | Power Zone 410 Controller |
| Monitoring | Cellular connectivity for Mobile Link and Fleet |
| Voltage Configuration | Optional 3-phase Voltage Configuration Cartridges |
| Power Quality | TruePower technology; less than 5% total harmonic distortion |
| Exercise Mode | Quiet-Test self-test mode |
| Enclosure | Aluminum enclosure with corrosion-resistant frame and stainless-steel exhaust components |
| Emissions Configuration | Catalyst equipped; CA and MA emissions compliant |
