Index  ST10K  ST10KS  Comments 
Input 
Input voltage 
Rated voltage  220VAC    
Phase  Single phase with ground    
Turn on voltage range  (120±5~274±5) VAC    
Bypass voltage range  (60±5~300±5) VAC  Could be adjusted by software. 
Bypass low loss  60VAC~220VAC (default 60VAC) 
Bypass low comeback  Low loss +5VAC 
Bypass high loss  220VAC~300VAC (default 300VAC) 
Bypass high comeback  High loss -5VAC 
Line low loss/ comeback  (120±5) VAC /(140±5) VAC  load≤50% 
(150±5) VAC /(165±5) VAC  50% 
(160±5) VAC /(175±5) VAC  80% 
Line high loss/ comeback  (274±5)VAC/(260±5)VAC    
Input frequency 
Rated frequency  50Hz    
Frequency low loss  (40~49) ±0.2Hz (default: 46Hz)  Could be adjusted by software. 
Frequency low comeback  Frequency low loss +0.5Hz 
Frequency high loss  (51~60)±0.2Hz (default: 54Hz) 
Frequency high comeback  Frequency high loss -0.5Hz 
Input power factor 
Input power factor  > 0.99  full R load 
Generator     Support generator input  Generator rating≥2*UPS rating 
Input current 
Rated current  41A  43A    
Input THDI  10%    
Output protection 
Rating protection  50A Breaker  Behind the transformer 
Output power 
VA/ watt  10000/8000    
Rated voltage  220VAC  Sine wave 
Voltage range  200/208/220/230/240VAC    
Voltage regulation  ±1%    
Voltage distortion  ≤6%  Full RCD load 
≤2%  Full R load 
DC offset  ≤200mV    
Transient response  ≤9%  R load 0%~100%~0% 
≤6%  R load 20%~100%~20% 
Transient recovery  ≤60ms voltage recovery to 90%  Full RCD load 
Bypass output before turn-on  YES    
Crest ration  3: 1    
Output frequency range 
Normal mode  1, Same as input frequency (46Hz~54Hz)
2, 50Hz (Input frequency>54Hz or
Input frequency<46Hz) 
  
Battery mode  (50+0.1) Hz    
Slew rate  1 Hz/Sec    
Efficiency 
Normal  mode  > 90%    
Battery mode  > 88%    
Overload 
 
Normal mode/ battery mode 
Overload warning only  105%±5%≤load 
1min, then transfer to bypass and alarm.  105%±5% 
30S, then transfer to bypass and alarm.  125%±5% 
100mS, then transfer to bypass and alarm.  load>135%±5% 
Automatically retransfer  YES    
Short protection 
Normal/ battery mode  YES    
Transfer time 
Normal to battery mode  0mS    
Battery to normal mode  0mS    
Normal to bypass mode  0mS    
Bypass to normal mode  0mS    


Battery and charger 


Battery 
Rated voltage  192VDC    
Type/Rating  Sunshine 9AH/12V       
Battery quantity  16 PCS    
Backup time  > 8min  Half load 
Protection 
Low alarm voltage / comeback voltage  (180.8V±4V)/ (188.8V±4V)    
Shutdown voltage/ comeback voltage  (176V±4V)/ (184V±4V)  (176V±4V)/ (184V±4V)/  Load < 1000W 
(152V±4V)/ (160V±4V)/  (160V±4V)/ (168V±4V)/  Load>= 1000W 
DC protection 
Overcharge protection/ comeback voltage  (249.6V±4V) (216V±4V)    
Leakage current  < 500uA    
Over discharge protection  14.5h  Could be set by software 
Battery test 
Battery weak  YES    
Battery fault  YES    
Charger 
Output voltage  (219.2±3)VDC    
Charge time          
Charge current  1A  5.5A    
Interface 
Alarm silence  YES    
DC power turn-on  YES    
Automatically retransfer  YES    
Audio alarm 
Battery mode  Beep /4s    
Battery low/ charger fault  Beep /1s    
UPS fault  Continue beep    
Overload  Beep /1s    
Bypass mode  Beep /2Min    
L/N inverse  Beep /2Min    
Communication 
RS232 interface  YES    
Intelligent slot  YES    
Monitor software  Appending with UPS    
Cooling 
Force air cooling 
Display 
LCD/LED displays UPS status       
Environment 
Work temperature  0℃~40℃    
Altitude  <1000m    
Audible noise  ≤60dB    
Storage temperature  -15℃~45℃    
Work humidity  20%~95%    
Standard 
EMS 
ESD  IEC61000-4-2  Level 4 
RS  IEC61000-4-3  Level 3 
EFT  IEC61000-4-4  Level 4 
Surge  IEC61000-4-5  Level 4 
EMI 
Conducted  EN55022  Class B 
Radiated  EN55022  Class B 
Safety 
Safety  GB4943-2001/IEC62040-1    
Transportation 
Drop test  GB-T4857-18    
Vibration test  B-WR1-129(GB-T14715-93)    
Machinery features 
Size 
Outline dimension and net weight 
length * width * height (mm)  560*260*717  533*260*501 
Net weight (Kg)  67.5  23 
  
Optional functions 
60Hz     Set by software 
Converter mode     Set by software 
ECO  Optional  Available and set by software 
EPO  Optional    
LCD display  Optional    
Outline dimension and net weight 
length * width * height (mm)  560*260*717  533*260*501 
Net weight (Kg)  67.5  23