Model Number

YD4 Indoor high-voltage

Detailed Product Description

YD4 indoor high-voltage vacuum breaker(VD4-12 for replacement), is produced exclusively  made only by our campany.This can be used  for indooe sheathed air-isolation switchgear.It  obays the standard rules of  GBl9842003DLT4032000 ,DINVDE0670-~IEC622711 002001 of German , lEC60694,and so on. under normal working,it can assure to be operated in power net of relative pressure level with safely and reliably as long as in the range of technical parameter of breaker.  Triphase pole of YD4 indoor high-voltage vacuum breaker that can be replaced by YD4 adopts automatic pressure gel technology(APG), it directly enlcoses vacuum arcing chamber and terminal outgoing lines  consisting in  Epoxy Resins. Vacuum arcing chamber adopts German Simens or national products in order to reduce vshell pollution of acuum arcing chamber  caused by adjustment link of breaker and external environment.It improves the secuity. On the condition of frequent operation or long life time of closing required, YD4 indoor high-voltage vacuum breaker has the specific advantages. This breaker has functions of reclosing , high operating reliability long lifetime.The pole part realizes the function of maintenance free.