WAQAS GROUP

Capacity:

Main Features

●Micro Processsor Control 
●Smart size design 
●Full automatic and silent operation 
●Automatic Line-to-Battery Switch over 
●Three stage Intelligent Automatic Charging Mode Technology
●Remote control solution by RJ11 and remote panel 
●Automatic charge while AC recovery(off model charging)
●High Efficient DC-to-AC conversion.minimizing energy loss 
●Over load，short circuit protection Over charge , discharge protection 
●Low battery and high protection 
●Cool start 
●Isolated output
●Compatibility with generators 
●Full Multi-function LED Display with full meanings and buzzer alarms Design 
●Application for Fan, light ,TV and office Appliances 
●Intelligent Variable speed fan operation 
●Battery type setup to get the best charge voltage and mode

Overview

MODEL

SKN-S 1KW

SKN-S 2KW

SKN-S 3KW

SKN-S 4KW

SKN-S 5KW

SKN-S 6KW

DC INPUT

Input Voltage(Vdc)

12V/24V

24V/48V

Min DC start voltage(Vdc)

10V/20V

20V/40V

AC Bypass 

Nominal Input Voltage

110V or 230Vac(waveform:Sine or generator)

Input AC Range(Vac)

90Vac±4%-135Vac±4% or 184Vac±4%-253Vac±4%

Frequency Range(HZ)

57Hz or 60Hz(47Hz -53Hz for 50Hz)-----{57Hz -63Hz for 60Hz}

Input Frequency(Hz)

50Hz/ 60Hz  (Auto detection)

Bypass Output Voltage(Vac)

same as input voltage

Bypass Output Frequency(Hz)

same as input frequency

Pass through without Battery

Yes

Max Bypass Overload Current

30A

AC  Efficiency

> 95%

Transfer Time(ms)

20ms (typical) 

CHARGER

Charge mode Input Voltage Range

95~127Vac or 196~243Vac

Automatic Charge mode

Three stage charge mode:Boost CC (constant current stage) → Boost CV (constant voltage stage) → Float (constant voltage stage)

Nominal Charge Voltage

According to the battery type setup

Charge Current(A)

17.5A/35A/70A

Charge boost voltage(v)

According to the battery type setup( 12V BAT:14-15.5v   24V BAT:   28-31V   48V BAT:56-62V )  

Charge Floating Voltage(V)

According to the battery type setup (12V BAT: 13.3-13.7,  24v BAT: 26.6-27.6,  48V BAT:53.2-55.2V)

Over Charge Protection

Bat. V ≥15.7Vdc, beeps 0.5s every 1s & fault after 60s (15.7 for 12v,  31.4V for 24V,  62.8V for 48V)

Charger Short Circuit Protection

Circuit breaker

(INVERTER)

Capacity(VA)

1000

2000

3000

4000

5000

6000

Output Power(W)

1000

2000

3000

4000

5000

6000

Power Factor(PF)

1

Output Voltage

120VAC or 230VAC  (Sine wave)

Output Frequency

50/60 ± 0.3Hz(auto tracking main first power connection)

Wave 

 pure sine wave

Inversion Efficiency

>88%

Over load capacity

(110%<load<125%) ±10%: Fault (shutdown output) after 15 minutes;
(125%<load<150%) ±10%: Fault (shutdown output) after 60s;
Load>150% ±10%:  Fault (shutdown output) after 20s

Low Battery Alarm

10.5Vdc ± 0.3Vdc for 12V battery,  21.0Vdc ± 0.6Vdc for 24V battery,  42.0Vdc ± 1.2Vdc for 48V battery

Power saver

Load ≦25W (Enabled on “P/S auto” setting of Remote control)

AMBIENT

Noise(dB)

60dB max

Temperature

0°C to 40°C

Humidity

5% to 95%

Sea Level(m)

<=1500

DIMENSION

Product size  L×W×H(mm)

L438mm*W184mm*H181mm

L608:mm*W184mm*H181mm

Packing size

L590*W312*H295mm

L808*W360*H352mm

Weight(Kg)

16.5/17.5

19/20

24/25

34/37

38.5/41.5

44.5/47.5