Champion 201565 18kW fleX Generator with 150A SE Transfer Switch Features:
Champion 201565 18kW fleX™ Home Standby Generator with 150 Amp Transfer Switch
The Champion 201565 18kW fleX™ Home Standby Generator with 150 Amp Automatic Transfer Switch is a complete residential backup power system designed to provide reliable, automatic protection during utility outages. Pairing Champion's powerful 18kW fleX™ standby generator with a 150-amp service entrance transfer switch, this package delivers dependable backup power while eliminating the need for manual startup, extension cords, or portable generators.
Producing 18kW on liquid propane and 16.2kW on natural gas, this system is ideal for medium to large homes that require dependable whole-home or near whole-home backup power. The included 150A automatic transfer switch continuously monitors incoming utility power and automatically transfers your home's electrical system to generator power within seconds of an outage before safely returning to utility service once power has been restored.
Champion's fleX™ technology gives homeowners more flexibility than traditional standby generators. The programmable fleX™ load management system allows electrical loads to be assigned priority levels, helping maximize available generator capacity while preventing overloads. Champion's innovative Power Line Carrier technology allows communication between the generator and transfer switch using your home's existing electrical wiring, reducing installation complexity and lowering labor costs. Integrated Wi-Fi Direct technology allows installers to quickly commission and configure the system from a smartphone or tablet.
Built for reliable year-round performance, the generator features a 999cc Champion V-Twin engine, a 24-volt electric starting system capable of operating in temperatures as low as -22°F, and a durable all-aluminum weather-resistant enclosure. Advanced airflow engineering promotes cooler operating temperatures for extended component life, while less than 5% total harmonic distortion (THD) delivers clean, stable electricity that's safe for today's electronics and smart home systems.
Key Features
• Complete backup power package including 18kW generator and 150A automatic transfer switch
• 18kW LP / 16.2kW NG standby power output
• 120/240V single-phase electrical output
• 999cc Champion V-Twin engine engineered for residential standby applications
• 150 Amp service entrance automatic transfer switch included
• Champion fleX™ programmable load management technology
• Power Line Carrier communication using existing home wiring
• Wi-Fi Direct setup and system configuration
• Digital fleX™ controller with advanced monitoring and diagnostics
• 24-volt electric starting system with cold-weather starting down to -22°F
• Advanced airflow system for cooler operation and longer service life
• All-aluminum weather-resistant enclosure
• Quiet operation at approximately 67 dB(A)
• Less than 5% total harmonic distortion (THD) providing clean power for sensitive electronics
• Industry-leading 10-year limited warranty
• UL2200 listed generator and UL1008 listed transfer switch
Frequently Asked Questions
What can an 18kW standby generator power?
An 18kW standby generator can power most medium to large homes, including multiple HVAC systems, refrigerators, freezers, lighting, well pumps, home offices, kitchen appliances, and other essential household equipment. Champion's fleX™ load management system helps maximize available generator capacity by intelligently prioritizing electrical loads.
What are the benefits of a 150 Amp transfer switch?
A 150A automatic transfer switch is ideal for homes with 150-amp electrical service. It automatically detects utility power loss, starts the generator, and safely transfers electrical loads without homeowner intervention, providing dependable automatic backup power.
What makes Champion fleX™ technology different?
Champion's fleX™ platform combines programmable load management, Power Line Carrier communication, and Wi-Fi Direct commissioning. These features simplify installation, reduce wiring requirements, and provide greater flexibility for managing household electrical loads.
Can this generator operate on natural gas and propane?
Yes. The Champion 201565 is designed to operate on either natural gas or liquid propane, giving homeowners the flexibility to choose the fuel source that best fits their installation and local utility availability.
Is this generator suitable for cold climates?
Yes. The generator features a 24-volt electric starting system engineered to reliably start in temperatures as low as -22°F, making it an excellent choice for installations in colder climates.
Does this generator provide clean power for electronics?
Yes. The Champion fleX™ generator produces less than 5% total harmonic distortion (THD), delivering clean, stable electricity that is safe for computers, televisions, networking equipment, smart home devices, and other sensitive electronics.
Ideal Applications
The Champion 201565 18kW system is an excellent choice for:
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Homes with 150-amp electrical service
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Automatic whole-home or near whole-home backup power
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Homes with multiple HVAC systems and larger electrical demands
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Homeowners wanting intelligent load management technology
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Cold-weather installations requiring dependable starting performance
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New standby generator installations where simplified wiring reduces installation time
