12kv Switch Vacuum Circuit Breaker Indoor /11/12kv 630~4000A

Model NO.
VIB-12/630-25
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Certification
VDE, ISO9001-2000, CE, CCC
Transport Package
in Plywood Case and Carton for Export Used
Specification
150mm/210mm/275mm phase distance
Trademark
Longxiang electric
Origin
China
HS Code
85389000
Production Capacity
17600 Sets/Year
Reference Price
$ 891.00 - 990.00
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Product Description

11kv Indoor High Voltage Vacuum Circuit Breaker

General Description
VS1-12 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 value ≤2.2kPa,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
Name Unit Date
rated voltage kV 12
rated power frequency withstand voltage kV 42
rated lighting impulse withstand voltage kV 75
rated frequency Hz 50
rated current A 630 1250 1600 2000 2500 3150
rated short circuit breaking current kA 20 20        
25 25 25      
31.5 31.5 31.5 31.5 31.5 31.5
  40 40 40 40 40
           
rated peak withstand current kA 50 50        
63 63 63      
80 80 80 80 80 80
  100 100 100 100 100
           
conductive circuit resistance of each phase μΩ ≤50 ≤45 ≤35 ≤25

Mechanical characteristic parameter
 
S.N. Name Unit Data
1 distance between open contacts mm 9±1
2 overtravel mm 3.5±0.5
3 contact bouncing duration at closing operation ms ≤2(1600A Max)         ≤3(2000A Min)
4 out of simultaneity of CO operation of three ploes ms ≤2
5 opening time ms 20~50
6 closing time ms 35~70
7 average opening speed m/s 0.9~1.3
8 average closing speed m/s 0.4~0.8

12kv Switch Vacuum Circuit Breaker Indoor /11/12kv 630~4000A
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12kv Switch Vacuum Circuit Breaker Indoor /11/12kv 630~4000A
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12kv Switch Vacuum Circuit Breaker Indoor /11/12kv 630~4000A
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Circuit Breaker

PNEUTEC.IT, 2023