Automatically steps up low voltage and steps down high voltage to levels that are suitable for your equipment.
Some content in menu 2.
APC Smart-UPS RC Paralleling Kit for 2 and 3KVA
Easy UPS 3S 10 kVA 400 V 3:1 UPS
APC SMART-UPS RC 1000VA 230V
APC Line-R 800VA Automatic Voltage Regulator