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VD4-12 Vacuum Circuit Breaker/Rockwill

Made in China with High Quality

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Proposed Price

$2800.00 - $3500.00/Sets | 1  Sets (Minimum Order Quantity)

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Package and After Sale

Packaging Details : wooden case
Port : Ningbo or Shanghai

Product Details

++++General:
     VD4 medium-voltage indoor vacuum circuit breaker is applicableforthree-phase  AC power system of rated voltage upto 7.2kV~24kV andfrequency 50/60HZ,widely used in manyfields such as power plant, transformer substation, petrol chemical industry , metallurgy , manufacturing industry , airport, residential area, etc., to control and protectthe electric equipment, especially , It is usedforthe occasionthat needs infrequent operation at rated current or multi-breaking short circuit current, may be mounted inthe indoor air insulating switchgear like type KYN28 or KYN96,  ABB type ZS series, etc. This circuit breaker is standards asGB1984-2003  AC 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 breakerfor order as well as IEC60694. This circuit breaker is made with mature  APG technology . The application of VD4terminal buffer guaranteesthe indoorterminal is ever more reliable in nay operation environment. VD4 canfully meet the requirement of GB, DL, IEC, DIN, VDE as well as standards of other advanced industrial countries.


++++Service environment:
     a) Airtemperature: Maximumtemperature: +40℃; Minimumtemperature:-25℃
     b) Humidity: Monthly average humidity 95%; Daily average humidity 90%. 
     c) Altitude above sea level: Maximum installation altitude: 2500m 
     d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. 
     e) Nofrequent violent shake



------------------------

++++ Main technical specifications:


 No

  Item

   Unit 

   Parameter

 1

  Rated voltage 

   kV

  12

 2

  Rated f requency 

   Hz

  50/60

 3 

  Rated current    

   A

  630, … 4000A

 4 

  1min Power f requency withstand voltage    

   kV

  48 

 5 

  Lightning impulse withstand voltage    

   kV 

  79/95 

 6

  Rated short circuit breaking current (peak)   

   kA

  50/63/80

 7 

  Rated short breaking current 

   kA

  20, …31.5

 8 

  Rated short circuit making current (peak)    

   kA

  50/63/80/100

 9 

  Rated cable(line) charging breaking current 

   A 

  50 and 10

 10

  Rated single capacitor bank switching current   

   A

  400

 11

  Rated withstand current (peak)   

   kA 

  50/63/80

 12

  Short time withstand current (4s)   

   kA

  20, …40

 13

  Mechanism life 

   times

  10000

 Note: For short circuit breaking current & rated currentis optionalby clients. 



WENZHOU ROCKWILL ELECTRIC

ESGCC GLOBAL Bronze Member

Company Type

生产制造

Industry

电力

Store Location

中国浙江温州

Main Products

开关柜,箱变,重合器,断路器,分段器,负荷开关调压器,变压器,电容开关等