zw37h-40.5type outdoor av high-voltage vacuum circult breaker.an ac three-phase 50hz outdoor high-voltage switching device with rated voltage of 40.5kv,is mainly breaking and closing of load current,overload current and short-circuit current in power system.
it is applied for protection and control in substation,industrial and mining enterprise and urban and rural power network and automatic power distribution in urban and rural power network .
The product has passed the overall type test by China power science research institute and complies with following standards:
gb/t1984《high-voltage av circuit breaker》
gb/t11022《commom technical requirement for standard of high-voltage switching and control equipment》
d1402《technical conditions for ordering ac high-voltage circuit breaker》
miniaturized vacuum arc-extinguishing chamer:maximum reliability,long service life,enclosed with epoxy resin;
epoxy resin enclosure:
it complies with environmental protection requirement,it owns widely validated outdoor performance and resistance to ozone and ultraviolet radiation,it is firm light hard to be crisp and easy for tranportation:
reasonable structure design:
epoxy resin bushing suport porcelain is with wpoxy APG cast vacuum arc-exitingunishing chamber on upper size,support porcelain insulator on lower side and insulating pull rod and linkage rod inside, hte three phase of support porcelain insulator are installed on one common mechanism box,and the moving end of arc-extinguishing chamber is connected with output axis of mechanism through insulating pull rod;
safe and reliable,simple debugging and maintenance:
the insulating pull rod and output axis of mechanism is connected vertically and moving straightly,it is safe and reliable and is easy for debugging and maintenance, it is with automatic distribution interface,which can be wasily equipped with remote controlled auxiliary contact and meets the automation requirement of power distribution;also it is with hiogh performance as the rated current reaches 2000a and the rated short-circuit breaking current reaches 31.5ka.
rated short circuit breaking current
rated short current switching current (peak value)
rated short time withstand current
rated peak value withstand current
rated short circuit duration time
rated insulation level
1minpower frequency withstand voltage
lightning impulse withstand voltage(peak value)
rated operating sequence
breaking current frequency under rated shout circuit
rated operating voltage
remark:modify the coefficient according to corresponding insulation level when the applied altitude is more than 1000m.
External & Build in Dimension