20 kW Generator
Model 20RCA | Fuel Type Natural Gas & LPG
Our most popular standby home generator, which operates at a quiet 63dB. Our generators deliver award-winning reliability and performance when it matters most. Built to keep you out of the dark. Now available in 3 phase.
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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: 20 kW
Rated kW NG: 18 kW
Amps LP: 83 amps
Amps NG: 75 amps
Peak Motor Starting kVA @240 V: 41 kVa
Alternator Note: All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Displacement: 999 cm³ (61 cu. in.)
Horsepower: NG 27.1 HP, LP 30.9 HP
Enclosure Material: Aluminum
Sound Output During Weekly Exercise: 64 dB(A)
Sound output During Full-speed Operation: 69 dB(A)
Response Time: 10 seconds
Warranty: Premium five-year limited warranty
Country of Origin: US
Automatic Transfer Switch Included: Sold Separately
Remote Monitor Available: Included
Off Grid / Utility backup: Utility Backup
Weight: 555 lbs. (252 kg)
Alternator Type: 2-Pole, Rotating Field
Fuel Consumption on NG at 50% Load? 161 cfh
Fuel Consumption on LP at 50% Load? 82 cfh
Controller: RDC2 Controller
Cylinder Arrangement: V-2
Dimensions: 47 in. x 26.2 in. x 32.2 in. (1193 mm x 666 mm x 817 mm)
Engine Manufacturer/Description: KOHLER
Engine Model: CH1000
Engin/Alternator RPM: 3600
Fuel Type: Natural Gas | LPG
Frequency: 60 Hz
Phase: Single PhaseThree Phase
Voltage @60 Hzs: 120/240|277/480
Digital Voltage Regulation: ±1.0%
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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