Quick Details
Description
- Place of Origin: Zhejiang, China (Mainland)
- Brand Name: OEM
- Model Number: VS1-12/630-20
- Type: Vacuum
- Poles Number: 3
- Rated voltage: 12kV
- Rated frequency: 50Hz
- Rated current: 630A
- 1min power frequency withstand voltage: 42/48kV
- Lightning impuklse withstand voltage: 85/95kV
- Rated short-circuit breaking current: 20kA
- Rated short-circuit making peak current: 50kA
- Duration of rated short-circuit: 4s
- Mechanical life: 20000 times
- Phase distance: 210mm
VS1 indoor high-voltage vacuum circuit breaker is a kind of indoor high voltage switchgear of rated voltage reaches 7.2-12KV.
It meets the National Standards:
GB1984-2003 <High-Voltage Alternating-Current Circuit-Breakers>.
JB3855-1996 <3.6-40.5 kV indoor High-voltage alternating-current vacuum circuit-breaker>
DL403-91 <Indoor vacuum circuit breaker for high-voltage of rated voltage up to 10-35kV>
IEC60694,
IEC62271-100.
Main technical parameter
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Rated voltage
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12kV
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|
Rated frequency
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50Hz
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1min Rated power-frequency withstand voltage
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42/ 48kV
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Rated lightning impulse test voltage
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75/ 85kV
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Rated current
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630A
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Rated short-circuit breaking current
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20kA
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Rated short-circuit making peak current
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50kA
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Duration of rated short-circuit
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4s
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Breaking operations
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100times
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|
Mechanical life
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20,000times
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|
Rated operating sequence
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O- t- CO- t1- CO
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Mechanical parameter
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Clearance between open contacts
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11 ± 1 mm
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Overstroke
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3.5 ± 0.5 mm
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Three-phase opening and closing asynchrony
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≤2 ms
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Closing contact bounce time
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≤2 ms
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Contact pressure of closing contact
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2000 ± 200 N
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|
Average opening speed
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0.9 - 1.2 m/s
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|
Average closing speed
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0.5 - 0.8 m/s
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Operating Environment
Ambient Temperature: -15℃ - 40 ℃. (Daily average ≤ 35℃)
Ambient Humidity: Daily average ≤ 95%, Monthly average ≤ 90%.
Alitude: Not exceed 1000 meters.
No fire, explosion, serious filthy, chemical corrosion and violent vibration of places.
Seismic intensity: Not exceed 8 degree.

Shanghai Xi Gao Xi Kai Electric Power Technology Co., Ltd is a professional High - low Voltage electrical equipment manufactory.
We built cooperate relationship with many large projects.
Our Factory located in Liushi Town, which is called 'China Electric Capital'. Accessories supplied convenient and quickly, it also shorten the delivery time substantially.
We have our own developing department, offer professional technical support. Various alternatives for choice whatever configuration you need.
Xi Gao Xi Kai 's Main Product:
Indoor High Voltage Vacuum Circuit Breaker.
Outdoor High Voltage Vacuum Circuit Breaker.
Smart Grid Dividing Switch.
Permanent Magnet Vacuum Circuit Breaker.
Vacuum Contactor.
High Voltage Disconnecting Switch.
High Voltage Load Switch.
Operating Mechanism.
Drop - Fuse.
High Voltage Lightning Arrester.
Outdoor High Voltage SF6 Circuit Breaker.
High - low Voltage PTD Compelet Equipment.
Transformer.
Box-Type Electric Substation. etc.
Our product widely used on Railway, Airport, Communication, Wind Power, Thermal Power, Hydropower, PTD, Metallurgy, Chemistry, mining Industry, Construction Industry and the Urban Power Network Reformation. etc.
We have a pefect after-sale service team, for tracking and making sure our product in good condition and long time normal use.