Model Number: 040814
Protect larger homes and properties with complex electrical systems using the Briggs & Stratton 040814 26kW PowerProtect™ Standby Generator with Dual 200 Amp Service Entrance Transfer Switches. This residential backup-power package combines a high-capacity 26kW standby generator with two 200 Amp service-entrance-rated automatic transfer switches, providing greater installation flexibility for homes with multiple electrical panels or expanded electrical-service requirements.
Delivering 120/240V single-phase power, the PowerProtect 26kW is designed for demanding residential applications where maintaining HVAC, refrigeration, pumps, lighting, appliances, electronics, security systems, and other important loads during an outage is a priority.
The system is powered by a Briggs & Stratton Vanguard® V-Twin engine and offers up to 65.5 kVA of motor-starting capability, helping accommodate demanding motor loads such as air-conditioning equipment and pumps.
With dual-fuel operation, low total harmonic distortion, an advanced GC-1032 controller, quiet operation, and a corrosion-resistant aluminum enclosure rated for winds up to 186 mph, the Briggs & Stratton 040814 is designed for dependable automatic backup power in demanding residential applications.
Key Features
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26kW Standby Power: High-capacity residential standby power designed for larger homes and demanding electrical loads.
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Dual 200 Amp SE Transfer Switches Included: Two service-entrance-rated automatic transfer switches provide greater flexibility for compatible multi-panel electrical systems.
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120/240V Single-Phase Output: Designed for standard residential electrical applications.
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Automatic Standby Operation: Automatically responds to utility outages when properly installed with the included transfer-switch system.
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Vanguard® V-Twin Engine: Briggs & Stratton engine technology engineered for dependable standby operation and long-term durability.
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65.5 kVA Motor-Starting Capability: Provides substantial starting capability for demanding motor-driven equipment.
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Natural Gas or Liquid Propane: Dual-fuel operation allows the system to be configured around the property's available fuel source.
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Less Than 5% THD: Produces stable electrical output with low total harmonic distortion for modern electronics and household equipment.
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Electronic Governor: Provides ±1% frequency regulation for stable generator performance.
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GC-1032 Controller: Advanced generator controller provides system information, operating status, and diagnostic capabilities.
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Programmable Exercise Cycle: Exercise duration can be configured from approximately 16 seconds up to 20 minutes.
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Quiet Residential Operation: Approximately 63 dBA during low-idle operation and 65 dBA during normal operation.
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Full-Pressure Lubrication: Helps provide consistent engine lubrication and protection during extended operation.
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Corrosion-Resistant Aluminum Enclosure: Designed for long-term outdoor installation.
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Up to 186 MPH Wind Rating: Enclosure is designed for demanding installation environments and severe-weather applications.
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Wide Operating Temperature Range: Designed for operation from approximately -20°F to 104°F.
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UL and cUL Listed: Designed and tested to applicable safety standards.
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7-Year Limited Warranty: Backed by Briggs & Stratton limited warranty coverage.
High-Capacity Backup Power for Larger Homes
The Briggs & Stratton 040814 PowerProtect 26kW is designed for homeowners who require more backup capacity than smaller residential standby generators can provide.
Depending on total electrical demand and system configuration, a properly designed 26kW standby system may support equipment such as:
- Central air-conditioning systems
- Heating equipment
- Refrigerators and freezers
- Well and sump pumps
- Lighting
- Internet and networking equipment
- Security systems
- Garage-door equipment
- Kitchen appliances
- TVs and household electronics
- Selected high-demand appliances
- Essential loads distributed across multiple electrical panels
Actual generator capacity depends on the combined running and starting requirements of all equipment operating at the same time.
Dual 200 Amp Service Entrance Transfer Switches
One of the distinguishing features of the Briggs & Stratton 040814 package is the inclusion of two 200 Amp service entrance transfer switches.
Some larger properties use multiple electrical panels or more complex service configurations. A single automatic transfer switch may not provide the installation flexibility required for these systems.
The dual-transfer-switch package can provide an installer with additional options for integrating generator backup power across compatible multi-panel electrical systems.
This configuration may be appropriate for properties with:
- Multiple main electrical panels
- Large homes with distributed electrical loads
- Expanded residential electrical systems
- Compatible detached-building configurations
- Properties where the electrical design requires more than one automatic transfer switch
The appropriate configuration depends on the property's electrical architecture and should be determined by a qualified electrical professional.
Dual 200 Amp Transfer Switches Do Not Equal 400 Amps of Generator Power
The two transfer switches expand the ways the generator can be integrated into a property's electrical system. They do not double the generator's electrical output.
The Briggs & Stratton 040814 remains a 26kW standby generator.
Even when two 200 Amp transfer switches provide access to loads across multiple panels, the combined electrical demand placed on the generator must remain within its available output.
If potential demand exceeds generator capacity, an appropriate load-management strategy may be necessary.
65.5 kVA Motor-Starting Capability
Running wattage is only part of residential generator sizing.
Equipment containing motors and compressors can require significantly more electrical power for a short period during startup. Central air conditioners, heat pumps, well pumps, pool equipment, and other motor-driven loads are common examples.
The Briggs & Stratton 040814 provides up to 65.5 kVA of motor-starting capability, giving the generator additional capacity for starting demanding residential equipment.
This can be particularly valuable for homeowners who consider maintaining HVAC operation an important part of their outage plan.
Actual equipment compatibility should always be determined using the electrical specifications of the connected equipment.
Designed for Residential HVAC Loads
Heating and cooling can represent a significant portion of a home's electrical demand.
The PowerProtect 26kW provides substantial standby capacity and motor-starting capability for residential applications where maintaining HVAC operation is important.
However, generator sizing should not be based solely on the nominal tonnage of an air conditioner or heat pump.
A professional load calculation should consider:
- HVAC running amperage
- Compressor starting requirements
- Additional household loads
- Number of HVAC systems
- Equipment operating simultaneously
- Available load-management equipment
This provides a more accurate picture of whether the generator can operate the desired equipment during an outage.
Clean, Stable Power for Modern Homes
Today's homes contain sensitive electronics throughout their electrical systems.
Computers, televisions, networking equipment, security systems, smart-home devices, HVAC control boards, and modern appliances all rely on stable electrical power.
The Briggs & Stratton 040814 is specified to produce less than 5% total harmonic distortion (THD).
The generator also incorporates an electronic governor with ±1% frequency regulation, helping maintain consistent electrical performance as loads change.
Natural Gas or Liquid Propane Operation
The PowerProtect 26kW is designed to operate using either natural gas or liquid propane vapor.
This provides flexibility when planning the installation around the property's available fuel infrastructure.
Natural gas can provide a convenient option for homes with an appropriately sized utility gas service, while propane provides an alternative for properties without natural-gas availability.
The fuel system must be appropriately sized according to generator demand, fuel type, piping distance, pressure, local conditions, and applicable installation requirements.
Advanced GC-1032 Generator Controller
The GC-1032 controller provides centralized monitoring and control of generator operation.
The controller provides operating information, system status, and diagnostic feedback that can assist homeowners and service professionals with monitoring generator performance.
Programmable exercise functionality also allows the generator to periodically operate so the system can remain prepared between actual utility outages.
Exercise duration can be configured from approximately 16 seconds up to 20 minutes, depending on the selected system settings.
Quiet Residential Operation
Despite its high residential output, the PowerProtect 26kW is designed with residential sound levels in mind.
The supplied specifications list approximately:
| Operating Condition |
Sound Level |
| Low Idle |
63 dBA |
| Normal Operation |
65 dBA |
Actual perceived sound will vary according to generator placement, distance, nearby structures, terrain, and surrounding environmental conditions.
Built for Demanding Outdoor Conditions
A standby generator remains outdoors throughout the year, making enclosure durability especially important.
The Briggs & Stratton 040814 features a corrosion-resistant aluminum enclosure designed to protect the generator's internal components from outdoor conditions.
The supplied specifications identify the enclosure as having a wind rating up to 186 mph, providing additional consideration for installations in areas exposed to severe weather.
The generator is also designed for operation across temperatures ranging from approximately -20°F to 104°F.
Final generator placement, mounting, anchoring, and installation requirements should always follow Briggs & Stratton instructions and applicable local codes.
Specifications
| Specification |
Details |
| Brand |
Briggs & Stratton |
| Series |
PowerProtect |
| Model Number |
040814 |
| Generator Type |
Automatic Home Standby Generator |
| Standby Output |
26kW |
| Voltage |
120/240V |
| Phase |
Single Phase |
| Frequency |
60 Hz |
| Fuel Type |
Natural Gas / Liquid Propane Vapor |
| Engine |
Briggs & Stratton Vanguard V-Twin |
| Engine Speed |
3,600 RPM |
| Lubrication |
Full Pressure |
| Motor-Starting Capability |
Up to 65.5 kVA |
| Total Harmonic Distortion |
Less Than 5% |
| Frequency Regulation |
±1% |
| Controller |
GC-1032 |
| Transfer Switches Included |
Yes – Two |
| Transfer Switch Rating |
200 Amp Each |
| Transfer Switch Type |
Service Entrance Rated |
| Sound Level – Low Idle |
63 dBA |
| Sound Level – Normal Operation |
65 dBA |
| Enclosure |
Corrosion-Resistant Aluminum |
| Wind Rating |
Up to 186 mph |
| Operating Temperature |
-20°F to 104°F |
| Listings |
UL / cUL |
| Warranty |
7-Year Limited Warranty |
When Do You Need Dual 200 Amp Transfer Switches?
A dual-transfer-switch configuration may be appropriate when the property's electrical design requires more than one automatic transfer point.
Potential applications include:
- Homes with multiple main electrical panels
- Large residences with distributed electrical systems
- Estates with expanded electrical infrastructure
- Compatible detached garages or accessory structures
- Properties with high electrical demand distributed across multiple panels
Dual transfer switches should not automatically be assumed necessary simply because a property has subpanels. The appropriate transfer configuration depends on how the electrical service and panels are designed.
Frequently Asked Questions
Why does the Briggs & Stratton 040814 include dual 200 Amp transfer switches?
The two 200 Amp service entrance transfer switches provide additional flexibility for properties with compatible multiple-panel electrical configurations.
They allow an installer to integrate automatic backup power across electrical systems where a single transfer switch may not meet the property's requirements.
Do two 200 Amp transfer switches provide 400 amps of generator power?
No.
The transfer switches are rated according to the electrical service they are designed to transfer. They do not increase generator output.
The generator itself remains rated at 26kW, and the combined loads operating from both panels must remain within available generator capacity.
Can the 26kW generator power both electrical panels?
The dual-transfer-switch system can provide generator access to loads across compatible multiple-panel installations.
However, whether all connected equipment can operate simultaneously depends on total electrical demand.
Load management may be required when the combined demand exceeds generator capacity.
Can a 26kW generator power an entire large home?
Potentially, but this depends on the home's electrical loads.
A 26kW generator provides substantial residential backup capacity, but large homes may contain multiple HVAC systems, electric heating, electric water heaters, ranges, dryers, pool equipment, pumps, EV chargers, and other high-demand equipment.
A professional load calculation should be used to determine the appropriate generator and load-management configuration.
Can the Briggs & Stratton 040814 run central air conditioning?
Potentially, yes.
The generator provides up to 65.5 kVA of motor-starting capability, which can be beneficial when starting motor-driven equipment.
Actual HVAC compatibility depends on the air-conditioning equipment's running requirements, starting demand, other simultaneous loads, and overall system configuration.
What fuel does the Briggs & Stratton 040814 use?
The generator is designed to operate on natural gas or liquid propane vapor.
The selected fuel system must be properly sized to supply the generator under the expected operating conditions.
Does this generator provide clean power?
The supplied specifications state less than 5% total harmonic distortion (THD) along with ±1% frequency regulation, providing stable electrical output for modern household equipment and electronics.
How loud is the Briggs & Stratton 26kW generator?
The supplied specifications list approximately 63 dBA during low-idle operation and 65 dBA during normal operation.
Actual perceived sound will depend on generator placement and surrounding conditions.
What is the wind rating?
The supplied specifications identify the generator enclosure as having a wind rating up to 186 mph.
Installation requirements, including mounting and anchoring, should still be determined according to Briggs & Stratton instructions and applicable local building requirements.
Shop Briggs & Stratton 26kW Standby Generators at AC Units For Less
For larger homes and properties with multiple electrical panels, the Briggs & Stratton 040814 26kW PowerProtect Standby Generator with Dual 200 Amp SE Transfer Switches provides a high-capacity foundation for automatic residential backup power.
The package combines 26kW of standby capacity, dual 200 Amp service entrance transfer switches, up to 65.5 kVA motor-starting capability, Vanguard V-Twin engine technology, natural gas or propane operation, low-THD electrical output, GC-1032 controls, and durable aluminum construction.
Shop Briggs & Stratton PowerProtect standby generators, automatic transfer switches, power-management equipment, and generator accessories at AC Units For Less.
Important: Dual transfer switches expand transfer capability but do not increase the generator's 26kW output. Generator sizing, HVAC compatibility, fuel-system capacity, electrical loads, transfer-switch configuration, mounting, and installation requirements should be evaluated by qualified professionals according to manufacturer instructions and applicable codes.