CPU control
PWM technology, Pure Sine Wave output
Sensitive short circuit protection
Sensitive intelligent overload protection
Optional LED or LCD Human-Machine Interface
Shorter transfer time <5ms
Self- diagnostic function
Individual charger
Full battery protection
Computer interface, SNMP adapter (optional)     Model-	
HT300VA,  HT500VA,  HT650VA,  HT800VA,  HT-1K, HT-1.5K, HT-2K, HT-3K,     HT-4K,      HT-5K
Capacity-	
210W,  350W,  455W, 560W	,700W, 1050W,1400W, 2100W, 2800W, 3500W
Input voltage-                   
115~275V AC	
Input frequency-	             
50/60Hz +/- 5Hz
Inverter output voltage-	          
220V AC +/-1%
Regulator output voltage-	      
220V AC +/- 8%
Output frequency-	              
50Hz +/- 1%
Output wave form-	              
Pure sine wave
Wave distortion-	             
 less than or equal to 3%
Transfer time-	                  
less than or equal to 5ms
Output protection-
overload, short circuit, output low voltage, output high voltage protection
Battery protection-	     
Overcharge, over discharge protection
Battery voltage-
12V (external battery)   24V (external battery)   48V (external battery)
Computer interface-	     
RS232+intelligent software
HM interface-	      
LED/LCD optional
Network interface-	    
SNMP optional