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Use our sizing calculator to determine the generator that is right for you and your home.
12 kW
Residential Generators / 12RES
Features
- More Powerful Performance
- Kohler·s exclusive PowerBoostª technology provides greater motor starting capability for large loads such as central air conditioners while still running other home appliances and electronics.
- The Kohler 12 kW generator is powerful enough to start and run a typical 4 ton (48,000 BTU) central air conditioner, while still running other home appliances and electronics
- Safer Power for Sensitive Electronics
- Many power sources can damage and degrade sensitive home electronics due to unstable power quality or high levels of total harmonic distortion (THD). KOHLER residential generators protect all of your valuable appliances and sophisticated electronics with cleaner, safe and stable power that meets strict utility requirements and IEEE standards for THD.
- Quieter Operation
- Quiet operation: 65 dB(A) at 7 m, similar to a typical vacuum cleaner
- Faster Response
- While many competitive products can leave you in the dark for 25 seconds or more during an outage, KOHLER generators restore power in as little as 10 seconds.
- Superior five-year limited warranty included
- KOHLER residential generators are commercial grade and have the warranty to back it up. This generator is supported by a premium five-year limited warranty.
- Digital electronic isochronous governor
- Digital voltage regulator
- LED display provides diagnostic capability
- Designed for Easy Installation
- Polymer base eliminates the need for a concrete mounting pad, reducing installation time and cost
- Fuel and electrical connections through the enclosure wall eliminate the need for stub-ups through the bottom
- Emission Certifications
- California Air Resources Board (CARB)-certified for both LP vapor and natural gas (field-convertible)
- Meets Environmental Protection Agency (EPA) nonstationary unit requirements
Alternator features:
- Compliance with NEMA, IEEE, and ANSI standards for temperature rise
- Self-ventilated and dripproof construction
- Vacuum-impregnated windings with fungus resistant epoxy varnish for dependability and long life
- Digital voltage regulator with ±1.5% no-load to full-load RMS regulation
- Rotating-field alternator with static exciter for excellent load response
- Skewed generator construction produces a smooth AC waveform
Engine features:
- Digital Spark Advance Module (DSAM) optimizes engine performance for natural gas and LP vapor fuels
- Simple field conversion between natural gas and LP vapor fuels while maintaining emission certification
Specifications
| Standby Ratings: |  |
9.3 kW (9.3 kVa) |
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| Hertz: | |
50 Hz |
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| Alternator Type: | |
2-Pole, Rotating Field |
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| Engine Manufacturer: | |
Kohler |
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| Engine Model: | |
CH740 |
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| Cylinder Arrangement: | |
V-2 |
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| Max Power at Rated RPM: | |
13.8 kWm (18.5 BHP) |
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| Standby Fuel Consumption at | |
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| 100% load: | |
4.8 m³/hr (173 cfh) |
| 75% load: | |
4.2 m³/hr (148 cfh) |
| 50% load: | |
3.1 m³/hr (108 cfh) |
| 25% load: | |
2.4 m³/hr (84 cfh) |
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Options
Generator Controls
Advanced Digital ControlAccessories
- OnCue Home Generator Management System, available on models with ADC-RES controller
- Battery
- Braided stainless steel flexible fuel line
- High wind door (150mph rated)
- Model RDT Automatic Transfer Switch
- 100, 200, or 400 amps
- 240 VAC/60 Hz or 220 VAC/50 Hz
- Available with or without built-in load center
- Model RSB Automatic Transfer Switch with integrated 2-in-1 load center
