MODEL		UKA-4K
CAPACITY	For computer load	4 kVA / 2.8 kW
INPUT	Voltage	220 Vac single phase nominal voltage
	Voltage range	110 - 290 Vac (depend on load)
	Frequency	50 Hz ± 10%, auto sensing
	Power factor	more than 0.99 at full load
OUTPUT	Voltage range	220 Vac ± 1%
	Phase	single phase
	Frequency	50 Hz ± 0.1%
	Wave form	pure sine wave
	Harmonic distortion	< 3% of THD at linear load, < 5% of THD at non-linear load
	Overload capability	> 110% for 30 sec. turn to bypass mode > 150% for 300 ms. turn to bypass mode
	Crest factor ratio	3 : 1
	Short circuit protection	turn off inverter, no transfer to bypass, audible alarm (AC mode) Turn off inverter, audible alarm (Battery mode)
	Efficiency	89%
	Protection	overload, over voltage, under voltage, short circuit proof and battery low voltage shutdown
TRANSFER TIME	Transfer time between AC mode and Battery mode	Zero time (True on-line UPS)
PROTECTION	EMI/RFI attenuation Surge protection	IEC 62040-2 IEC 61000-4-5
BATTERY	Type	sealed lead acid (maintenance free) rechargeable
	Backup time	15 - 30 minutes (depending on computer load)
	Extended backup time	option
	Continuous recharging time	90% capacity after 6 - 10 hours charging
INDICATOR	LED	Inverter, Battery, Bypass, Warning
	LCD display	Input (voltage / frequency), Battery (voltage / capacity), Output (votlage / frequency) Load (Watt / VA), Inverter temperature, Charger status, Fan status, Operation mode
AUDIBLE ALARM	Buzzer	Mains failure, low battery, overload, UPS fault
CONNECTION	Input	NEMA 5-15P
	Output	6 outlets
COMMUNICATION	USB port	yes
INTERFACE	SNMP/HTTP capability	option
SOFTWARE	UPS monitoring and management software	yes
ACOUSTIC NOISE		< 50 dBA at 1 metre
ENVIRONMENT	Temperature	0 - 40oC
	Relative humidity	0 - 95% (non-condensing)
CONFORMANCE	Design regulation	EMC category C2
DIMENSIONS	W x H x D (mm)	199 x 337 x 466
WEIGHT	Approximate in kg.	26.9