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Shanghai Electric Group Busbar Trunking Co., Ltd.

Vacuum Circuit Breaker, High Voltage, Vcb manufacturer / supplier in China, offering 12kv 24kv 630A Indoor High Voltage Vacuum Circuit Breaker (VCB), Stainless Steel Cabinet Inox Distribution Box, Stainless Steel Wall Mount Enclosure Inox Distribution Box and so on.

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Supplier Homepage Product load break switch 12kv 24kv 630A Indoor High Voltage Vacuum Circuit Breaker (VCB)

12kv 24kv 630A Indoor High Voltage Vacuum Circuit Breaker (VCB)

FOB Price: US $1,000-20,000 / Piece
Min. Order: 1,000 Pieces
Min. Order FOB Price
1,000 Pieces US $1,000-20,000/ Piece
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Production Capacity: 50000unit/Year
Transport Package: wooden
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: vcb
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: MCCB
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CCC
  • Specification: IEC62271-100
  • HS Code: 85389000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 4
  • Function: Circuit-Breaker Failure Protection
  • Trademark: Shanghai Electric
  • Origin: Shanghai
Product Description
1.General

The breaker features good insulation performance as follows: Strong opening and closing abilities, long mechanical life, complete operation functions and free explosion, so this breaker is applicable to the controlling and protective switches of power plants, big-sized transformer substations and high-load power-consuming industry enterprises.

The breaker satisfies the standards of GB1984 AC high voltage breaker(eqv. IEC62271-100).

2. Normal Service Condition
 
Ambient temperature: -15 +40
Altitude: ≤1000m
Relative humidity: daily average relative humidity ≤ 95%; monthly average relative humidity ≤ 90%
Free from fire, explosion, heavy pollution, chemical corrosion and severe vibration.
Earthquake intensity ≤ 8 degree
 
3. Technical Datas
 
1Rated voltageKV12
2Rated frequencyHz50
3Rated isulation level1min power frequencyKA42/48
Lightning impulsewithstand voltage (peak)75/85
4Rated short-circuit breaking currentKA202531.540
5Rated crurrentA6306301250 16001250 1600
125012502000 25002000 2500
6Rated short-time withstand current KA202531.540
7Rated short-time withstand current 506380100
8Rated short close current506380100
9Rated short-circuit current durationS4
10Mechanical endurancetimes20000
11Secondary circuit power frequency withstand voltage (1min)V2000
12Rated operating sequence
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