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    GENERAC GUARDIAN Elite Commercial Series 18 – 150 kW

    Liquid-Cooled Standby Generators

    GUARDIAN 7 kW Air-Cooled Standby Generator GUARDIAN® is now doing to the commercial market what it has already done to the residential market... making standby power reliable, yet affordable. Protect your revenue stream by investing in a GUARDIAN Elite™ Commercial Series automatic standby generator. Our GUARDIAN Elite Commercial generators are ideal for a broad range of enterprises, including restaurants, convenience stores, supermarkets, banks, fitness centers, hotels, and retail outlets.

    All Elite Commercial models are available in both single and three-phase configurations. They run on either natural gas or LPV, feature automotive style, liquid-cooled engines and GUARDIAN's exclusive Whisper-Test™ feature. Our 18, 25, 35 and 45 kW premium models come standard with higher displacement, low speed engines and aluminum enclosures. Aluminum enclosures are optional on the 60 kW and larger models.

    Whisper Quiet Operation
    GUARDIAN's exclusive Whisper-Test low speed exercise feature makes our GUARDIAN Elite products the quietest liquid-cooled generators on the market. Whisper-Test reduces noise by 50% during the generator's weekly self-test cycle allowing for near silent operation that satisfies all known sound ordinances.

    Affordable Revenue Protection
    During a utility outage, a GUARDIAN Elite will protect your revenue stream and prevent expensive losses by keeping your business... in business. Not only are our products engineered for reliability and long life, our volume production and short lead times make GUARDIAN Elite products an even better value.

    • Value Models: The most affordable protection in the industry for large homes and small to mid-sized businesses
    • Premium Models: Larger, more powerful engines operate at 1800 RPM for ultra-quiet operation and standard aluminum enclosures provide superior corrosion protection for coastal areas and harsh environments.
    • Superior Paint: Tough, textured powder coat paint finish for unmatched durability and all weather protection
    • UL Listed: For safety and certified power ratings 
    • Clean Burning Fuel: Natural gas or LPV

    Model Number QT01816 QT02016 QT02516 QT02524
    Rated Power (LP / NG) 18/18 20/20 25/24 25/24
    Rated Amps @ 60 Hz
    240 V, 1Ø (LPG) 75 83.3 104.2 104.2
    240 V, 3Ø (LPG) 54.1 60.2 75.2 75.2
    208 V, 3Ø (LPG) 62.5 69.4 86.8 86.8
    480 V, 3Ø (LPG) N/A N/A N/A N/A
    Surge Watts - 240V, 1 Ø 31,920 34,800 37,920 37,920
    Surge Amps
    240V, 1Ø (LPG) 133 145 158 158
    208V, 3Ø (LPG) 89 97 106 106
    240V, 3Ø (LPG) NA 84 91 91
    480V, 3Ø (LPG) NA N/A N/A N/A
    Engine 1.6L/4 Cyl. 1.6L/4 Cyl. 1.6L/4 Cyl. 2.4L/4 Cyl.
    Alternator RPM 1800 3600 3600 1800
    Enclosure Aluminum Steel Steel Aluminum
    Whisper Test Yes Yes Yes Yes
    Sound Level
    (dBA @ exercise)
    63 62 62 54
    (dBA @ normal operation) 68 74 74 60
    (L" x W" x H")
    62x29x34 62x29x34 62x29x34 77x34x45
    Automatic Transfer Switch (not included) RTS RTS RTS RTS
    Weight 845 875 875 1255
    Full Spec Sheet Spec Sheet Spec Sheet Spec Sheet Spec Sheet