Mostly purpose

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-circult 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 overrall type test by beijing power science research institute and complies with following standards:
gb/t1984 <high-voltage av circult breaker>
gb/t11022 <commom technical requirement for standard of high-voltage switching and control equipemnt>d1402

<technical conditions for ordering ac high-voltage circult breaker>

Features
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 porcelator is with wpoxy APG cast vacuum arc-exitingunishing chamber on upper size,support porcelan insulator on lower side and insulating pull rod and linkage rod inside, hte three phase of support porcelain insulator are installed on one commom 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 automatization requirement of power distribution;also it is with hiogh performance as the rated current reaches 2000a and the rated short-circult breaking current reaches 31.5ka.

Technic parameter

remark:modify the coefficent according to corresponding insuiation level when the applied altitude is more than 1000m.