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Most of our prodcuts from MUST applied with CE,FCC certificates.We have many OEM cases,eg Santak,CDP.. LCD online ups is hot style. ModelEH1K(S)EH1.5K(S)EH2K(S)EH3K(S)CAPACITY1000 VA 800 W1500 VA/1200 W2000 VA/1600 W3000 VA/2400 WINPUTVoltage RangeLow Line Transfer160 VAC / 140 VAC / 120 VAC / 110 VAC ± 5 % or80 VAC / 70 VAC / 60 VAC / 50 VAC ± 5 %(based on load percentage 100% - 80% / 80% - 70% / 70% - 60%/60% -0)LowLine Comeback175 VAC ± 5 % or 85 VAC ± 5 %High Line Transfer300 VAC ± 5 % or 150 VAC ± 5 %High Line Comeback290 VAC ± 5 VAC or 143 VAC ± 3 VACFrequency Range40 Hz 70 HzOUTPUTAC Voltage Regulation (Bat. Mode)±3%Frequency Range47 53 Hz or 57 Hz 63 Hz(Synchronized Range)Frequency Range (Bat. Mode)50 Hz ± 0.25 Hz or 60 Hz ± 0.3 HzCurrent Crest Ratio3:1Harmonic Distortion<= 3 % THD (Linear Load)<= 4 % THD (Linear Load)<= 6 % THD(Non-linear Load)<= 7 % THD(Non-linear Load)Transfer TimeAC to DCZeroInverter to Bypass4 ms (Typical)Waveform (Bat. Mode)Pure Sine WaveBATTERYStandard ModelBattery Type12 V / 7 AH12 V / 9 AH12 V / 7 AH12 V /7 AHNumbers3388Typical Recharge Time4 hours recover to 90% capacityCharging Current (max.)1.0 ACharging Voltage41.0 VDC ± 1%102.1 VDC ± 1%Long-run ModelBattery Type/NumbersDepending on the capacity of external batteriesCharging Current (max.)8.0 ACharging Voltage41.0 VDC ± 1%102.1 VDC ± 1%PHYSICALStandard ModelDimension DXWXH (mm)397 X 145 X 220421 X 190 X 318Net Weight (KGS)13142628Long-run ModelDimension,DXWXH (mm)397 X 145 X 220421 X 190 X 318Net Weight (KGS)713OPERATING ENVIRONMENTHumidity20-90 % RH @ 0- 40°C (non-condensing)Noise Level<45dB @ 1 MeterMANAGEMENTSmart RS-232/USBSupports Windows®98/2000/2003/XP/Vista/2008,Windows®7,Linux,and MACOptional SNMPPower management from SNMP manager and web browser