ITEM UNIT SPECIFICATION REMARKS MODEL CT1682B CAPACITY VA/ W 3200/ 1600 MAXIMUM AC INPUT VOLTAGE V 160 - 250 CURRENT A 7.7 MAX. LOAD & CHARGER FREQUENCY Hz 50 ± 3 PROTECTION A 10 FUSE DC INPUT INTERNAL BATTERY 5 x 12V, 7 AH SEALED LEAD ACID BATTERY PROTECTION A 50 INVERTER OUTPUT WAVE FORM SYNTHESIZED SINEWAVE ( STEP WAVE) PWM VOLTAGE V 220 ± 5% FREQUENCY Hz 50 EFFICIENCY % > 80 CHG TYPE CONSTANT VOLTAGE VOLTAGE V 67.5 CURRENT A 1.5 TRANSFER TIME ms d 4 BACKUP TIME min 10 NORMAL LOAD INDICATOR LED & BUZZER REFER TO CONDITION TABLE OPERATION TEMPERATURE ° C 0 - 40 DIMENSION mm 445 x 175 x 230 D x W x H WEIGHT Kg 30