Electric power UPS 1.dimension:550*485*1200 2.CE,ISO, ... height(mm)550×485×1200800×600×2260(or double screen)1000×800 × 2260(or double screen)Reference weight (KG) ... dry contactInverter abnormal,AC abnormal,battry abnormal,load abnormal,UPS abnormalProtection functionInput reversing protection,input low-voltage protection,output ... short-circuit protection, over-heat protection Electric power UPS