Outline Dimension Drawing
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VS1(ZN63A) series vacuum breaker is of indoor high voltage
switchgear suitable for 12kV .
Three-phase power system with 50Hz frequency in order to protect
and control electrical appliances, And especially suitable
for frequent operation at rated current or incessant open circuit
due to unique advantages of vacuum circuit breaker.
Spring operating mechanism and breaker body parts adopt integration
design.Thank for this design,
breaker not only can be a fixed installation unit ,
but also can be a withdraw-able unit with a specially pushing
framework.For meet the requirement of XGN2,
GG1A cabinet , the fixed type breaker can be install additionally
2Expression mode of product model
V S 1 - 12 / □-□
Rated short circuit breaking current kA
Rated current A
Rated voltage kV
3Product Reference Standard
Shall be in accordance with standards in GB1984-89 Alternating
Current High Voltage Breaker,
JB3855-1996 3.6~40.5kV Indoor Alternating Current High Voltage
and DL403-1999 Specification for Order of 10~35kV Indoor High
Voltage Vacuum Breaker,
and subject to relative requirements in IEC56 (87 publication).
4Operating environment condition
a) Normal operating environment condition
Highest temperature: +40ºC
Lowest temperature: -15ºC
b) Environment humidity
Daily average relative humidity: ≤95%
Monthly average relative humidity: ≤90%
Daily average saturated vapor pressure: ≤2.2×10-3 MPa
Monthly average saturated vapor pressure: ≤1.8×10-3 MPa
c) Altitude: below 1000m area；
d) Earthquake intensity: no more than 8 degree；
The product shall be away from weep, fire and explosion, chemical
corrosion and strenuous vibration place.