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Help CenterVS1 ZN63A 3.6 - 40.5kV 50Hz Indoor Vacuum 3 Phase Circuit Breaker With XGN2, GG1A
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Certification:CE、ROHS、 FCC、GB1984, IEC
VS1 ZN63A 3.6 - 40.5kV 50Hz Indoor Vacuum 3 Phase Circuit Breaker with XGN2, GG1A
3 Phase Circuit Breaker Overview
VS1(ZN63A) series vacuum breaker is of indoor high voltage switchgear suitable for 24kV .
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 interlock.
3 Phase Circuit Breaker Expression mode of product model
V S 1 - 24 / □-□
Rated short circuit breaking current kA
Rated current A
Rated voltage kV
3 Phase Circuit Breaker Product reference standardShall be in accordance with standards in GB1984-89 Alternating Current High Voltage Breaker,
JB3855-1996 3.6~40.5kV Indoor Alternating Current High Voltage Vacuum Breaker,
and DL403-1999 Specification for Order of 10~35kV Indoor High Voltage Vacuum Breaker,
and subject to relative requirements in IEC56 (87 publication).
3 Phase Circuit Breaker Operating 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；
e) The product shall be away from weep, fire and explosion, chemical corrosion and strenuous vibration place.
3 Phase Circuit Breaker Main specifications and technical parameters ( Refer to Tab 1)
|
NO |
Item |
Unit |
Technical Date |
|
1 |
Rated voltage |
kV |
24 |
|
2 |
Rated insulating level |
Rated short time power frequency withstand voltage(1min) |
65 |
|
Rated lighting inpulse withstand voltage (peak value) |
125 |
||
|
3 |
Rated Frequency |
Hz |
50 |
|
4 |
Rated current |
A |
630 |
|
5 |
Rated short circuit breaking current |
kA |
20 |
|
6 |
Rated short time withstand current |
20 |
|
|
7 |
Rated peak withstand current |
50 |
|
|
8 |
Rated short-circuit closing current (peak value) |
50 |
|
|
9 |
4S rated short-time withstand current 4s |
20 |
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