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				-  DSP controller optimizes reliability & performance
 
			 
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				-  Output power factor = 0.9
 
			 
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				-  Active power factor correction in all phases
 
			 
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				-  50Hz/60Hz frequency converter mode
 
			 
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				-  ECO mode operation for energy saving
 
			 
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				-  Emergency power off function (EPO) 
 
			 
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				-  SNMP+USB+RS-232 multiple communications
 
			 
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				-  3-stage extendable charging design for optimized battery performance
 
			 
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				-  Adjustable battery string numbers for long-run model
 
			 
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				-  Optional maintenance bypass switch
 
			 
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				-  Optional parallel operation up to 3 units
 
			 
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				-  Optional isolation transformer offers full isolation and complete common mode noise rejection
 
			 
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