GUARDIAN's 10 kW is the most affordable automatic standby generator on the market that can start some 3-ton air conditioners with power to spare. You can start and run your water heater or well pump, kitchen*, bathroom, master bedroom, furnace, sump pump, family room and some 3-ton central air conditioners**. The 10 kW provides more power at a lower price than any generator in its class, and because it comes pre-packaged and pre-wired, it's fast and easy to install. Circuit Coverage: Protects 10 circuits of your home. Generac OHVI® Industrial Engine: The ONLY air-cooled engine designed specifically for generators. No break-in required. 2 year, 200 hour service intervals. Superior Paint: Tough paint finish for unmatched durability and all weather protection. UL Listed: For safety and certified power ratings. Clean Burning Fuel: Natural gas or LPV. GENERAL SET: Model Number: 5241 Rated Power (LP / NG): 10/9 kW Rated Amps @ 60 Hz 240 V, 1 (LP / NG): 42/38 3 Phase Models: NA Surge Watts - 240V, 1 : 15,120 Surge Amps: 63 Engine (Generac OHVI): 530cc / V-Twin Alternator RPM: 3600 Enclosure: Steel Whisper Test™: No Sound Level (dBA @ exercise): 63 (dBA @ normal operation): 63 Dimensions (L" x W" x H"): 48 x 24 x 28 Automatic Transfer Switch (included): 100 Amp / 10 circuit Weight: 375 lbs. CONTROLS: Engine Start Sequence: Cyclic cranking: 7 sec. on, 7 sec. rest. 90 sec. maximum duration Automatic Low Oil Shutdown: Standard Overspeed Shutdown: Standard, 72 Hz Overcrank Protection: Standard Automatic Voltage Regulator with Over-Voltage Protection: Standard Engine Warmup: 10 seconds Engine Cool-Down: 1 minute Safety Fuse: Standard Starter Lockout: Starter cannot re-engage until 5 seconds after the engine has stopped 2.5 Amp Timed Trickle Battery Charger: Standard Auto Switch: Automatic start on utility failure/7 day exercise Off Switch: Stops unit. Power is removed. Control and charger still operate Manual / Test (start): Start with starter control, unit stays on. If utility fails, transfer to load takes place Full Monitoring System: Oil pressure, coolant temperature, engine speed, coolant level, cranking time, starter lockout, utility sensing Shutdown and LED Indicators: Overspeed and overcrank, low oil pressure, high coolant temperature, low coolant level, low fuel pressure, low battery voltage TRANSFER SWITCH: No. of Poles: 2 Current Rating (amps): 100 Voltage Rating (VAC): 250 Utility Voltage Monitor (fixed) Pick-up: 70% Drop out: 60% Return to Utility: Approx. 13 seconds Exercised 7 minutes weekly: Standard UL Listed: Yes Enclosure Type: NEMA 1 (Indoor rated only) Dimensions (H" x W" x D"): 26.5” x 12.5” x 7” IMPORTANT: Price does not include shipping. *most kitchens require multiple circuits **May not start all brands or models of central air conditioners. Make sure the surge capability (Amps) of the generator is greater than the LRA listed on the data plate of the A/C before purchasing.