... can be selected12. pure sine wave output,automatically synchronized with the grid tracking,power factor close to 1, Current ... invertermodelSF-10KSSF-25KSSF-50KSSF-100KSF-250KSF-500Krated AC output power10 KVA25 KVA50 KVA100 KVA250 KVA500 KVAinsulate modeLow ... input connecting contrary, input lack of voltage, output over load, output short circuit and over heat.cooling modewindynoisy<50dBwaterproof ...