Ouback Inverter VFX3524M 3500 Watt 24 Volt 120 VAC/ 60 Hz 85 Amp Charger RV/Mobile Ventilated M-Series Vented Inverter for RV-Mobile Applications. The Outback M-Series inverter/charger is an all-in-one mobile power solution. It incorporates a true sinewave inverter, intelligent battery charger and an AC transfer switch which includes a 30 amp pass through and automatic neutral/ground switching. All M-series inverter/chargers produce virtually distortion free AC power for all your mobile electrical needs. Industry leading surge power starts multiple heavy loads simultaneously without the need to run your generator. Innovative power factor corrected battery charging uses multiple stages to charge your batteries quickly so your enerator runs less. Ultra fast AC transfer switch with battery charger back off circuitry allows you to seamlessly take full advantage of your shore cord. Outback's modular design makes expanding your power system as easy as adding an additional inverter/charger. Integrated network communications makes system setup and monitoring easy through a single MATE2M controller. Very quiet operation allows mounting in noise sensitive areas, even under a bunk. Repairs in field are easy thanks to a simple three circuit board design. The Outback M-Series inverter is the superior choice when you need a reliable, powerful and modular true sinewave inverter/charger. The sealed OutBack M-Series inverter/charger is the most rugged design in the world. Conformal coated circuit boards, powder coated die-cast aluminum chassis with gaskets and o-ring seals keep out water and resist corrosion. Simply put, the sealed M-series is designed to work where other inverter/chargers were never intended to go. The vented OutBack M-Series has the same proven technology and conformal coated circuit boards as the sealed version but offered in a vented chassis for higher power output. The fully screened "bug-proof" openings keep the power conversion components cool in very hot environments even when operated at high power for extended periods in more protected environments. More Features Powder-coated all-aluminum die-cast chassis Internal electronic components are cooled by outside air Stainless steel screen to protect air intake and internal fan Ul 94VO plastic vent grills to protect the air exhaust. All openings are 0.0025 inches square to keep out dirt, bugs, and other critters Air inlet comes with removable, washable foam filter insert to trap small particles Conformal coated circuit boards to resist corrosion Higher output power when inverting or battery charging when compared with the sealed FX inverter versions Designed to allow easy field servicing and repair Specifications Continuous Output Power: 3500 VA Continuous Output Current at 25 degrees: 29.2 amps AC RMS Output Voltage: 120 VAC/60 Hz DC Input Voltage (Nominal): 24 VDC Typical Efficiency: 92% Output Voltage Regulation: +/-2% typical Continuous DC Charge Rate: 85 Amps DC Frequency Range: 54.0-66.0 Hz DC Input Voltage Range: 21.0-34.0 VDC Unit Dimensions (LxWxH): 12x8.25x16.25 (inches) Unit Weight: 54 lbs Warranty: Standard 2 year/ Optional 5 year