Indoor High Voltage Vacuum Circuit Breaker  VTZG-40.5

1.General  Description

VTZG-40.5 fixed type indoor MV vacuum breaker is used for many kinds of switchgears

like KYN61-40.5. It is widely used  for 40.5kV voltage systems  which  is accordance with GB1984-2003 standards.

Structural characteristics:

1.This vacuum circuit breaker adopts air insulation.lt can meet air distance and creepage under normal run condition.

2.The operating mechanism can use 3AV3 type mechanism,the outlet curve has good adaptation for vacuum interrupters.lt has high reliable with characteristics of long life and easy maintenance.

3.Convenient for matching with switchgear;convenient and reliable operation;compulsive mechanical interlock way is adopted;meet “Five Prevention” function.

2.Applying  conditions:

Ambient temperature;-10℃----+40℃

Relative humidity:daily average ≤95%,monthly average ≤90%

 Seismic intensity ：≤8

Saturated vapor pressure：daily average ≤2.2kPa，monthly average≤1.8kPa；

Altitude：≤1000m；（Not including special requirement）

Service environment：should be avoided fire, explosion risk, serious pollution, chemical corrosion and violent vibration

3.Technical specification：