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SKG 1-3K HF UPS
   
SKG 1-3K HF UPS
SKG 1-3K HF UPS SKG 1-3K HF UPS SKG 1-3K HF UPS
Main Features
●High frequency and double conversion on-line technology
●Fully digitized microprocessor control
●Wide input voltage range
●UPS start up without battery
●Cold start
●Advanced battery management 
●Automatic battery charge in UPS off mode
● Lightning and surge protection
●Short circuit and overload protection
● Fan speed auto control when loads varies
● Optional extension battery pack
● EMI/RFI noise filter
●Smart RS232 communication with monitoring software
● Optional SNMP Card slot
● Intelligent LCD display
  Overview

Capacity

SKG-1K

SKG-R1K

SKG-2K

SKG-R2K

SKG-3K

SKG-R3K

1KVA/700W

2KVA/1400W

3KVA/2100W

Input

Voltage Range

When load<70%, input range is 115±5VAC~295±5VAC

When load≥ 70%, input range is 160±5VAC~295±5VAC

Frequency Range

46~54Hz±0.5Hz or 

56~64Hz±0.5Hz auto sensing

Phase

Single phase

Power Factor

≥0.97

Output

Voltage Range

220Vac±2%

Frequency Range

50Hz/60Hz±0.2%

THD (linear load)

<3%

THD (non-linear load)

<6%

Overload Capability

>110%, 30s turn to bypass mode;

>150%, 300ms turn to bypass mode

Crest Factor

3:1(max)

Short Circuit Protection

5 cycles turn off inverter, no transfer to bypass, provide alarm (AC mode)

5 cycles turn off inverter, provide alarm (battery mode)

input fuse blown or breaker action (bypass mode)

Waveform

pure sine wave

Transfer Time Between AC Mode and Battery Mode

Transfer time: 0ms

Efficiency

≥83%

≥85%

Battery

Model

12V sealed lead acid maintenance free

DC Voltage

36VDC

96VDC

Battery

3×12V/7AH

8×12V/7AH

Backup Time(half load)

12min

19min

16min

Backup Time(full load)

5min

8min

5min

Charge Current(standard unit)

0.7A 

0.7A 

0.7A 

Charge Current(long time unit)

7.5A

7.5A

7.5A

Recharge Time

90% capacity after 8 hrs charging

Communication Interface

 

RS232 ; SNMP (optional)

LED Indication

 

Load level, battery capacity, battery mode, utility mode, inverter, bypass, overload, fault

Noise Level

 

<45dB

Environment

 

’-25~55 ℃

Other

Standard Unit Net/

14/16kg

14/16kg

33/35kg

34/36kg

34/36Kg

35/37Kg

Gross Weight

Long Time Unit Net/Gross Weight

7.5/9Kg

8/10Kg

14/16Kg

19/21Kg

15/17Kg

20/22Kg

Dimension (W×D×H)mm 

144×412×213

483×400×89

191×470×338

483×520×133

191×470×338

483×520×133

Packing (W×D×H)mm 

245×540×343

587×550×254

337×615×487

592×665×292

337×615×487

592×665×292

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