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(Generac Guardian): Stand by Generator 30 kW Steel 1-Phase

ůSteel Housing, NG & LP Operation

This standby generator is best suited for: 1)large to extra-large homes (T-Rex recommends square footage 6200 to 8100); 2)small to medium-sized home-based or similar businesses (that use single-phase electricity).

Generac's 30 kW Guardian stand by generator comes from factory configured to burn natural gas, however unit is easily modified for propane use. This sort of flexibility is among best features of the QT030 stand by generator model - entails that homeowner faces a minimum of hassle should changing fuel sources ever be necessary. This single-phase QT030 stand by generator should handle most of your backup power needs, but be advised that it won't provide whole-house coverage within our recommended application. For customers desiring whole-house backup, this 30 kW Guardian should satisfy an application in neighborhood of 2500 or so square feet (some applications may do better, depending on types of appliances and geographic location). Stand by generator unit must be operated with transfer equipment - for best results, consider one of Generac's own RTS automatic transfer switch models (see Switch Options tab), designed for compatibility with Guardian-Series stand by generator machines. This
stand by generator model CARB approved, available to California residents.

  • Important: Please see the shipping tab for information regarding the liftgate shipping option and residential versusácommercial deliveries.

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    Model:  QT03015-1
    Price:  $9,398.00
    Available Options:
    Residential Shipment?:

    Model Specs

    Manufacturer: Generac
    Model #: QT03016A
    Color: White
    Enclosure: Steel
    Engine Make: Generac
    Transfer Switch Included?: No
    Price: $9,398.00

    Rated Power (Natural Gas): 27 kW
    Rated Power (Liquid Propane): 30 kW
    Phase: 1
    Frequency: 60 Hz
    Voltage: 120/240
    Rated Amps: 112(NG)/125(LP)
    Rotor Poles: NA
    Mainline Circuit Breaker: 150 Amps(NG/LP)

    Engine Type: Inline 4-Cylinder
    Intake Method: Carburetor
    Cylinder Block: NA
    HP/L: NA/1.6
    Number of Cylinders: 4
    Compression Ratio: 9.75:1
    Lubrication Method: Pressurized
    Valve Arrangement: Overhead
    Engine Cooling: Liquid
    Engine rpm: 3600
    Fan Type: Belt Driven
    Governor System: Electronic
    Ignition System: Electronic
    Starter Voltage (DC): 12
    Battery Required (Volts/Cold-Cranking Amps): 12/525 (Included)
    Startup Delay (After Power Interruption): Programmable (10-30 Seconds)
    Engine Warm-Up Duration: 5 Seconds
    Engine Cool-Down Period: 1 Minute
    Fuel Type: Natural Gas(NG)/Liquid Propane(LP)
    Fuel Consumption (NG @ Exercise): 60 Cubic Feet/Hour
    Fuel Consumption (NG @ 25% Load): 145 Cubic Feet/Hour
    Fuel Consumption (NG @ 50% Load): 260 Cubic Feet/Hour
    Fuel Consumption (NG @ 75% Load): 370 Cubic Feet/Hour
    Fuel Consumption (NG @ Full Load): 470 Cubic Feet/Hour
    Fuel Consumption (LP @ Exercise): 0.7 Gallons/Hour
    Fuel Consumption (LP @ 25% Load): 1.6 Gallons/Hour
    Fuel Consumption (LP @ 50% Load): 2.8 Gallons/Hour
    Fuel Consumption (LP @ 75% Load): 4.0 Gallons/Hour
    Fuel Consumption (LP @ Full Load): 5.1 Gallons/Hour

    Convenience Features
    Automatic Voltage Regulation: Yes
    Low-Voltage Shutdown: Yes
    High-Voltage Shutdown: Yes
    Low-Oil Shutdown: Yes
    Overspeed Shutdown: Yes
    High-Temperature Shutdown: Yes
    Starter-Overcrank Protection: Yes
    Low-Battery Protection: Yes
    Built-In Battery Charging Capability: Yes
    UL Listed: Yes
    External-Fault Capability: Yes
    Internal-Fault Protection: Yes
    Incorrect-Wiring Protection: Yes
    Mainline Circuit-Breaker Protection: Yes
    Safety Fusing: Yes

    Weight: 935 lbs
    Dimensions (Inches): 62.2L x 28.98W x 33.5H
    Decibels (@ Exercise - 7 Meters): 62
    Decibels (@ Full Load - 7 Meters): 72
    Compliance: 50-State US

    Additional Features
    Choice of natural gas or liquid propane operation
    Easy-to-follow tri-lingual controller
    Optional wireless remote monitoring capabilities
    Internal-fault protection, plus external-fault capabilities
    Liquid-cooled motor has closed recovery system
    Tasteful but understated housing creates esthetically-pleasing installation
    Heavy-duty rotating-field generator with direct excitation


  • 2-year manufacturer's limited warranty

  • Shipping

    The T-REX Free Shipping Pledge:
    The manufacturers we work with are large concerns that ship multiple items each day. This enables them to attain the best shipping rates available. T-REX passes these savings on to our customers by providing free shipping to any commercial or residential address in the continental United States. This is the T-REX pledge. We will adhere to it even when a freight carrier adds one-time or unanticipated shipping fees. Try obtaining these terms from another Internet-based generator seller. You will not find a more customer-friendly policy than ours.

    About Lift Gates:
    Typical delivery trucks are designed to be unloaded at docks, or by forklifts. In other words, they are designed to deliver to commercial locations where such options are available. By contrast, a lift gate-equipped truck lowers heavy items from the truck trailer (which can be several feet high) to the ground, using a hydraulic mechanism similar to an elevator. If your delivery will go to an address not equipped with a loading dock, and you don't have access to a forklift, then selecting the lift-gate delivery option is a convenient alternative.

    A generator from T-REX can weigh hundreds of pounds. Without access to a loading dock or forklift, unloading one safely may require several able-bodied individuals. Delivery drivers are NOT required by their companies to help customers unload. Unless you are certain that a sufficient number of helpers will be available during the delivery, we urge you to specify the lift-gate shipping option before checking out. Charge for the lift-gate is $75.00, and is NOT included in the Free-Shipping Pledge offered by T-REX. We feel, however, that it is worth the investment.

    Residential Delivery:
    You need to inform us if your delivery will be going to a residential address. Freight companies need to know this because many residential areas can't be serviced by large semi trucks. The generator will instead be loaded onto a smaller truck tailored to home deliveries. A home which serves as a place of business (regardless of the presence of company name/signage), if located in a residential area, is still considered a residential address for shipping purposes. Please select the residential delivery option if applicable. T-REX agrees to pay all additional residential delivery costs, but to do so, we must be properly informed before shipping arrangements are made.

    To select your choice of residential or commercial delivery, please see the purchase options in the Add To Cart area.


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    T-Rex Generators distributes products from many different standby and portable generator manufacturers at substantially discounted prices. These represented companies include: Asco automatic transfer switches, Briggs & Stratton generators, Winco generators, Generac Generators, GenTran transfer switches, Reliance Controls Transfer Switches, and Zenith automatic transfer switches. T-Rex also carries Honda powered generators which have the same time-tested Honda engines as the substantially more expensive Honda generator brand units.