introductionsvcthree-phasehighaccuracyfullautomaticacvoltagestabilizersseries,itiscombinedtheperformanceoftheseriessvcsingle-phaseproducts,theinputphasesystemisthree-phaseandfour-wiresystem,theoutputvoltageis220vofphaseand380voflinevoltage,withintheratedcapacityrange,theyalsocanbeusedfortheequipmentofwhichthesourcevoltageissingle-phase220vorthree-phase380v.andalsobeingprovidedwiththeprotectivefunctionssuchastime-delay,over-voltage,overcurrent,shortvoltage,etc.,serviceoccasionscomputers,testequipment,lightingsystems,safetyalarmsystems,x-raysystems,communicationsystems,medicalequipment,duplicators,stereosoundequipment,industrialautomaticequipment,colorfilmdevelopingequipment,digitalcontrolmachinetools,checkoutequipment,tvsets,officeappliances