VIB3-12T 10KV/12KV Indoor High Voltage Vacuum Circuit Breaker With ISO9001:2015 Certification

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Shaanxi Longxiang Electrical Co., Ltd.

VIP   Audited Supplier 17 years
Profile Certified by SGS/BV
VIB3-12T/630-31.5
High Voltage Circuit Breakers
Energy-storage Type
Normal Type Circuit Breaker
Vacuum
Withdrawable & Fixed
Vcb
3
Circuit Breaker
Conventional Circuit Breaker, Overcurrent Protection, OVP(Overvoltage Protection)
VDE, ISO9001-2000, CE
630~3150A
12kv
30000cycles
50Hz
Longxiang
Non-Solid Wooden Case
3P 210mm
Baoji, Shaanxi China
85389000
Product Description
VIB3-12/T Series of Indoor High Voltage Vacuum Circuit Breaker
 


General Description
VIB3-12/T series of indoor high voltage vacuum circuit breaker is applied to three phase, A.C 50(60)Hz, 3.6~24kV electric system. It's used for mining and industrial enterprise, power plant, substation to switching and dividing load current, overcurrent, fault current, also applied for place with frequent operation.
This series widely used for power station, power system, petrochemical, smelting, subway, airport, buildings project.


Applying ambient conditions and width of matched switchgear
Ambient temperature:max +40ºC, average temperature within 24h should less than 30ºC, min temperature -15ºC
The height above sea leval:≤1000m, can meet 4500m(need evaluate)
Relative humidity:daily average relative humidity≤95%, monthly average relative humidity≤90%
Saturated vapour pressure:daily average value2.2kPa, monthly average value≤1.8kPa
ambient air:without obvious dust,smog,corrosive or flammable gas, steam and salt mist pollution
Width of matched switchgear room:650mm, 800mm, 1000mm

Technical specification
NameUnitDate
rated voltagekV12
rated power frequency withstand voltagekV42
rated lighting impulse withstand voltagekV75
rated frequencyHz50
rated current A63012501600200025003150
rated short circuit breaking currentkA2020    
252525   
31.531.531.531.531.531.5
 4040404040
      
rated peak withstand currentkA5050    
636363   
808080808080
 100100100100100
      
conductive circuit resistance of each phaseμΩ≤50≤45≤35≤25

Mechanical characteristic parameter
S.N.NameUnitData
1distance between open contactsmm9±1
2overtravelmm3.5±0.5
3contact bouncing duration at closing operationms≤2(1600A Max)        ≤3(2000A Min)
4out of simultaneity of CO operation of three ploesms≤2
5opening timems20~50
6closing timems35~70
7average opening speed m/s0.9~1.3
8average closing speed m/s0.4~0.8

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