ZW8-12 serial of outdoor Vacuum circuit Breaker

General Description:

ZW8 -12 outdoor vacuum circuit breaker is three-phase A.C 50HZ Outdoor high voltage distribution equipment with 12KV rated voltage and below, which can be used for opening and closing loading current, overloading current and short-circuit current. If it is connected with computer remote control system and data wireless transmission terminal etc., the remote opening and closing function can be achieved. This is the optimum unoiled equipment for remaking the town and country's electric net.It is equipped with CT23 type spring energy-stored operating mechanism. Energy-stored, opening and closing can be achieved by motor or by manual.

Applying ambient conditions:

Ambient temperature: The max. temperature shou1d be +40C. The mix. temperature should be -30C.
The height above sea level shou1d be no higher than l000m.
Wind pressure should be 0n more than 700pa (it is equivalent to wind speed of 34 m/s.)
The air filthy shou1d be within III degree. Frequent1y violent vibration shou1d be forbidden.

The Construction Characteristics:

Construction of ZW8 Vacuum Circuit Breaker:
Integral construction with three-phase in one box
Vacuum circuit breaker
Spring operating mechanism
Insulating system
Conductive 1oop
Box cover/enclosure
Hermetic parts

The feature of ZW28 series

It can be equipped with 50/5,,100/5,200/5,400/5,630/5 current transformer according to customers' requirement.
Outside insulator adopted the material of silicon rubber bushing with high pressure.
Inside insulator adopted compound insulating material.
Inside multiple-taps current mutual transformer can be used for loading current protection.
Bifilar-wound current mutual transformer can be used for protection and measurement.
1f additionally assembled with voltage mutual transformer, auto-recloser, auto-sectional switch, then autoimmunization of power distribution protection and the function of FOUR REMORE can be achieved. And it is additionally fitted with compound controller (in order to eliminate strong current while closing switch)
It can be mounted isolated switch.

Features Of ZW Series VCB:

It is the optimum match between the vacuum circuit breaker and operating mechanism.
Having been adopted the vacuum interrupter with vertical magnetic field, which has strong breaking and overloading current capacity to make the
VCB reach higher technical specification.
It is absolutely safe and reliable.
It can meet customer's requirement for its various specifications.
Good qua1ity and reasonable price, it is a best choice for un-oiled remaking to town and country's electric net.

Specification sheet :