Zhejiang, China
Business Type:
Manufacturer/Factory, Other, Group Corporation
Business Range:
Electrical & Electronics, Industrial Equipment & Components
Management System Certification:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: within 15 workday
OEM/ODM Service

Vacuum Circuit Breaker, Breaker, Indoor Vcb manufacturer / supplier in China, offering Fixed Type Vacuum Circuit Breaker, Sf6 Gas-Insulated Indoor 24kv Switch Disconnector, Sf6 Gas-Insulated 24kv Load Break Switch and so on.

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Audited Supplier

Fixed Type Vacuum Circuit Breaker

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $1,500-5,000/ Piece
Port: Ningbo, China
Production Capacity: 5000 PCS/Year
Payment Terms: L/C, T/T, Money Gram
Breaking Capacity: High Voltage Circuit Breakers
Operation: Electric Type
Speed: Normal Type Circuit Breaker
Arc-extinguishing Medium: Vacuum
Installation: Fixed/Drawable
Structure: Conventional Circuit Breaker

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Basic Info

Model NO.: VD4-12
Poles Number: 3
Type: Circuit Breaker
Function: Overcurrent Protection, Circuit-Breaker Failure P
Certification: ISO9001-2000, CE
Trademark: Rockwill
Transport Package: Wooden
Specification: IEC, ANS
Origin: China
HS Code: 85352100

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,  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 breaker for order as well as IEC60694. This circuit breaker is made with mature  APG technology . The application of VD4terminal buffer guarantees the indoor terminal is ever more reliable in nay operation environment. VD4 can fully meet the requirement of GB, DL, IEC, DIN, VDE as well as standards of other advanced industrial countries.

++++Service environment:

a) Air temperature: Maximum temperature: +40ºC; Minimum temperature:-25ºC
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) No frequent violent shake

++++ Main technical specifications:
1Rated voltagekV24
2Rated frequencyHz50/60
3Rated currentA630, … 4000A
41min Power frequency withstand voltagekV65
5Lightning impulse withstand voltagekV125/150
6Rated short circuit breaking current (peak)kA50/63/80/100
7Rated short breaking currentkA20, …40
8Rated short circuit making current (peak)kA50/63/80/100
9Rated cable(line) charging breaking currentA50 and 10
10Rated single capacitor bank switching currentA400
11Rated withstand current (peak)kA50/63/80/100
12Short time withstand current (4s)kA20, …40
13Mechanism lifetimes10000
Note: For short circuit breaking current & rated current is optional by clients.

Fixed Type Vacuum Circuit Breaker


1.The payment term: We accept TT,30% deposit and 70% balance against copy of BL.
2.The delivery time: Usually it will take about 15-20 days.
3.The standard of package: Usually use strong plywood case for protection.
4.The material of transformer: We have two types, one is with copper and another one is with aluminum. It depends on your requirement. In fact, those two have difference if normal work well. Only except the long life. Copper is better and also higher price.
5.The logo: If you have good quantity, it absolute no problem to do OEM.
6.Our market: our products are popular in Indonesia, Philippines, Russia, USA, Middle East and so on. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutual benefit from our cooperation..
7.Warranty: in 12 month since BL date.


1.quick response in before sales period help you got order.
2.excellent service in production time let you know each step we made.
3.reliable quality solve you after sale headache.
4.long period quality warranty ensure you can buy without hesitate.


1. One-stop supplier globally.
2. More than 10 years professional experiences in electrical appliance industry. 
3.We offer professional online technology support for perfecting your electrical solution free.
4. Experienced sales service and suggestion.
5. All the products with accessories under strict quality control and final inspection before shipping.
6. We can assure the powerful competitive price and reliable quality products.
7. Most competitive shipping rate from our own shipping forwarder.
8. Warranty assurance: 12 month
9. Whatever big or small order, we can provide you one-to-one service.  


Contact person: Mr. Chen Chengming
Your Best Choice for Electrical Appliances Industry!!!
Please leave an inquiry to know more details about Price , Packing ,Shipping and Discount.

Fixed Type Vacuum Circuit Breaker

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