Generac Protector Series Standby Generator – Model RG15089GNAC (150 kW)
The Generac Protector Series RG15089GNAC is a 150 kW liquid-cooled gaseous standby generator engineered for residential, commercial, and emergency backup power applications. Powered by a Generac 8.86L V8 turbocharged and aftercooled engine, this generator delivers dependable standby power with less than 5% total harmonic distortion for sensitive electronic loads. The system features a sound-attenuated aluminum enclosure, Evolution™ multilingual LCD controller, Mobile Link® connectivity capability, and Quiet-Test™ operation for quieter weekly self-testing.



Generac Protector Series Standby Generator – Model RG15089GNAC (150 kW)
US$ 46,289.00
- 150 kW liquid-cooled gaseous standby generator
- Generac 8.86L V8 turbocharged and aftercooled engine
- Natural gas and propane vapor compatible
- Evolution™ multilingual LCD controller
- Isochronous electronic governor
- True Power™ Technology with less than 5% THD
- Voltage and frequency regulation designed for sensitive electronics
- Sound-attenuated aluminum enclosure
- Closed coolant recovery system
- Smart battery charger included
- UV/Ozone resistant hoses
- Mobile Link® remote monitoring capability
- UL 2200 listed
- EPA emissions compliant
- California and Massachusetts emissions compliant
- 5-year limited warranty
Description
Additional Info
Reviews
Description
RG15089GNAC (150 kW) product details and specifications:
General Details
- Model: RG15090
- Series: Protector® Series
- Generator Type: Liquid-Cooled Gaseous Engine Standby Generator
- Rated Frequency: 60 Hz
- EPA Emission Compliant
- UL 2200 Listed
- 5-Year Limited Warranty
Engine Specifications
- Engine Make: Generac
- Engine Type: V8
- Displacement: 540 in³
- Bore: 4.5 inches
- Stroke: 4.25 inches
- Compression Ratio: 9.1:1
- Intake Air System: Turbocharged and Aftercooled
- Lifter Type: Hydraulic Roller
- Rated Engine Speed: 1,800 RPM
Fuel System
- Fuel Type: Natural Gas / Propane Vapor
- Carburetor: Down Draft
- Secondary Fuel Regulator: Standard
- Fuel Shut Off Solenoid: Standard
- LP Fuel Pressure: 11–14 in Water Column
- NG Fuel Pressure: 7–11 in Water Column
Generator Specifications
- Generator Type: Synchronous
- Rotor Insulation Class: H
- Stator Insulation Class: H
- Bearings: Sealed Ball
- Coupling: Flexible Disc
- Excitation System: Synchronous Brushless
- Total Harmonic Distortion: <5%
Control System
- Controller: Two-Line LCD Multilingual Digital Evolution™ Controller
- Governor Type: Electronic
- Frequency Regulation: Isochronous
- Voltage Regulation: Full Digital
- Automatic Voltage Regulation with Over/Under Voltage Protection
- 50 Event Run Log
- Smart Battery Charger Included
- Incorrect Wiring Protection
- Governor Failure Protection
Cooling and Exhaust
- Cooling System Type: Pressurized Closed
- Water Pump: Belt-Driven
- Fan Diameter: 22 inches
- Sound Output: 70 dB(A) at 23 ft
- Exhaust Temperature: 1,440°F
Electrical System
- Battery Charger Alternator: 40 Amp
- Static Battery Charger: 2.5 Amp
- System Voltage: 12 Volts
- Recommended Battery: Group 31, 925 CCA
Dimensions and Weight
- Overall Length: 110.6 inches
- Overall Width: 39.5 inches
- Overall Height: 69.3 inches
- Engine Oil Weight: 2260 lbs
- Genset Only Weight: 2390 lbs
- Shipping Weight: 2498 lbs
- Shipping Skid Weight: 170 lbs
Enclosure Features
- Aluminum Weather Protective Enclosure
- Electrostatically Applied Textured Epoxy Paint
- Critical Grade Muffler Mounted Inside Enclosure
- Sound Attenuated Enclosure
- Compact Installation Design
product specifications:
| Category | Value |
| Model | RG15089GNAC |
| Series | Generac Protector Series |
| Power Output (LP) | 150 kW |
| Power Output (Natural Gas) | 142 kW |
| Voltage | 120/240 V |
| Frequency | 60 Hz |
| Phase | Three |
| Max Current (LP) | 451 A |
| Max Current (Natural Gas) | 427 A |
| Circuit Breaker | 500 A |
| Fuel Type | Natural Gas / Propane Vapor |
| Engine Manufacturer | Generac |
| Engine Configuration | V8 |
| Engine Displacement | 540 cu in (8.86 L) |
| Aspiration | Turbocharged and Aftercooled |
| Compression Ratio | 9.1:1 |
| Cooling System | Pressurized Closed |
| Governor Type | Electronic Isochronous |
| Voltage Regulation | Full Digital |
| THD | <5% |
| Battery Charger Alternator | 40 Amp |
| Static Battery Charger | 2.5 Amp |
| Recommended Battery | Group 31, 925 CCA |
| System Voltage | 12 V |
| Enclosure | Sound Attenuated Aluminum |
| Sound Level | 70 dB(A) at 23 ft |
| RPM | 1800 |
| Dimensions (L x W x H) | 103 x 39 x 71 inches |
| Weight | 3000 lbs |
| Warranty | 5-Year Limited |
| Certifications | UL 2200 |
| Emissions Compliance | EPA / CA / MA Compliant |
product related documents:
10000037452 Exploded View Alternator.pdf
10000036075 Exploded View Alternator.pdf
10000029526 Parts Manual EV Unit.pdf
A0006531842 Exploded View Enclosure.pdf
Additional Info
| Weight | 2390 lbs |
|---|---|
| Dimensions | 110.6 × 39.5 × 69.3 in |
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