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Shanghai Electric Group Busbar Trunking Co., Ltd.

Indoor Vacuum Circuit Breaker, Vacuum Circuit Breaker, Vcb manufacturer / supplier in China, offering 11kv 20kv 630A Indoor Drawable Vacuum Circuit Breaker, Jxf Jff Type Stainless Steel Cabinet Distribution Box Enclosure, Distribution Busbar Trunking Busduct System Bbt Power Bbt and so on.

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Supplier Homepage Product vaccum circuit breaker 11kv 20kv 630A Indoor Drawable Vacuum Circuit Breaker

11kv 20kv 630A Indoor Drawable Vacuum Circuit Breaker

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Basic Info
  • Model NO.: VD4
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Embeded Pole
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CCC
  • Specification: IEC60694. GB1984-2003
  • HS Code: 85389000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Withdrawable & Fixed
  • Poles Number: 3
  • Function: Circuit-Breaker Failure Protection
  • Trademark: Shanghai Electric
  • Origin: Shanghai
Product Description
Vd4 medium-voltage indoor vacuum circuit breaker is applicable for three-phase AC power system of rated voltage up to 7.2kV~24kV and frequency 50/60Hz, widely used in many fields such as power plant, transformer substation, petrol chemical industry, metallurgy, manufacturing industry, airport, residential area, etc., to control and protect the electric equipment, especially, It is used for the occasion that needs infrequent operation at rated current or multi-breaking short circuit current, may be mounted in the indoor air insulating switchgear like type KYN28 or KYN96 etc. This circuit breaker is standards as GB1984-2003 high voltage circuit breaker, JB3855 3.6-40.5Kv indoor AC High voltage circuit breaker, DL/T403 Specification of 12-40.5Kv indoor High voltage vacuum circuit breaker for order as well as IEC60694.

This circuit breaker is made with mature APG technology. The application of VS1 terminal buffer guarantees the indoor terminal is ever more reliable in nay operation environment. VS1 can fully meet the requirement of GB, DL, IEC, DIN, VDE as well as standards of other advanced industrial countries.

Applying ambient conditions
1. Ambient temperature: -10º C~+40º C.
2. The height above sea level: ≤ 1000m(besides the special requirements).
3. Relative humidity: The average humidity of a day should be no more than 95%; The average humidity of a month should be no more than 90%.
4. Saturated vapour pressure: The average pressure of a day should be no more than 2.2kPa; The average pressure of a month should be no more than 1.8kPa.
5. Earthquake intensity: Not exceed 8 degrees.
6. It should be installed in the places without fire, explosion, serious filth, chemical erosion and violent vibration.
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