Models 0.5 kva to 10 kva Input voltage range 150v to 280v, 90v to 120v Input frequency 47 û 53 hz, 57 - 63 hz Output voltage 220/110vac¦10%, (mainsmode) 220/110vac¦2%(inverter mode) Output frequency 50/60hz ¦ 0.1 hz Outputwave form Pure sine wave Harmonic distortion < 2% on inverter mode Protections Input under voltage & over voltage, overload, short circuit, battery low, battery over charge, reverse phase As per requirement