12 kW Generator
Model 12RES | Fuel Type Natural Gas & LPG
A standby home generator that delivers affordable, commercial-grade performance to keep your home protected. Perfect for smaller homes or critical circuits in larger ones. Equipped with a composite enclosure for harsher climates where corrosion is a concern.
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Our generators feature commercial-grade engines tested for 2,000 hours of continuous operation and extreme conditions. Their enclosures are designed to endure winds up to 181 MPH, ensuring resilience and durability.
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Rated kW LP: 12 kW
Rated kW NG: 10.4 kW
Amps LP: 50 amps
Amps NG: 43 amps
Peak Motor Starting kVA @240 V: 32 kVa
Alternator Note: All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Displacement: 0.725 L (44 cu. in.)
Horsepower: NG 20.5 HP, LP 23.6 HP
Enclosure Material: Steel
Sound Output During Weekly Exercise: 65 dB(A)
Sound output During Full-speed Operation: 65 dB(A)
Response Time: 10 seconds
Country of Origin: US
Automatic Transfer Switch Included: Included
Off Grid / Utility backup: Off GridUtility Backup
Weight: 400 lbs. (182 kg)
Alternator Type: 2-Pole, Rotating Field
Fuel Consumption on NG at 50% Load: 124 cfh
Fuel Consumption on LP at 50% Load: 60 cfh
Controller: ADC-RES Controller
Cylinder Arrangement: V-2
Dimensions: 1123 mm x 726 mm x 804 mm (44.2 in. x 28.6 in. x 31.6 in.)
Engine Manufacturer/Description: KOHLER
Engine Model: CH740
Engin/Alternator RPM: 3600
Fuel Type: Natural Gas | LPG
Frequency: 50 Hz | 60 Hz
Phase: Single Phase
Voltage @60 Hzs: 120/240
Digital Voltage Regulation: ±1.5%
Built in Mounting pad: Yes
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Crafted for Excellence
Our generators offer a superior experience from day one and for years to come. Our durable design ensures your generator lasts longer, operates more quietly, and starts more efficiently under higher loads than competing models.
Real stories from real owners
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We’re here to answer any questions you have.
Butler Support: (717) 938-4253
Hours: Monday – Friday, 8:00am to 4:30pm