Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy

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We have our own product sales staff, style crew, technical group, QC staff and package staff. We now have strict high quality management procedures for each approach. Also, all of our workers are experienced in printing subject for 3rt1934-6a Main Contacts , Contactor With Overload Protection , Distribution Circuit Breaker , With a rapid advancement and our buyers come from Europe, United States, Africa and everywhere in the world. Welcome to visit our manufacturing unit and welcome your order, for further more inquires be sure to don't hesitate to get hold of us!

Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy Detail:

VS1-12 vacuum circuit breaker

is a type of high voltage switch which appropriate to 12kv, 50Hz three phase alternating current system, applicable for protecting and controlling, especially appropriate to frequent operation and short circuit places. This type is mainly used in fixed or drawble type switchgear .

Advantages

Simple structure
Adapt ultra low resistance type vacuum interrupter
Adapt optimization and modular spring operating mechanism
Suitable for occasions with frequent operation
Free maintenance and long service life
High reliable performance

Ambient condition

1 Ambient temperature: max +40°C min -15°C(conveyance under -30°C is allowed)

2 Altitude: ≤1000m

3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2*10^-3 MPa; monthly average value ≤1.8*10^-3 MPa

4 Earthquake intensity: ≤8 degree

5 The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution

Main Technical Parameters

Item	Description		Unit	Data
1	Rated voltage		KV	12
	Rated frequency		Hz	50/60
3	Rated current		A	630 1250 1600 2000 2500 3150
4	Rated short-circuit breaking current		kA	25,31.5,50KA
5	Rated short-circuit making current(peak value)		kA	50,63,80
6	Rated short-time withstand current		kA	20,25,31.5
7	Rated withstand current(peak value)			50,63,80
8	Rated insulation level	Lightning impulse withstand voltage	KV	145
8	Rated insulation level	1 min power-frequency withstand voltage	KV	64
9	Rated operating sequence			OC-0.3s-CO-180S-CO
11	Rated short-circuit duration		s	4
12	Times of breaking with the rated short-circuit current		Times	30
13	Mechanical life		Times	10000
14	Weight		kg	150

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We always believe that one's character decides products' quality, the details decides products' quality ,with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy, The product will supply to all over the world, such as: Austria , Malta , Toronto , we are fully determined to control the whole supply chain so as to provide quality products at competitive price in a timely manner. We are keeping up with the advanced techniques, growing through creating more values for our clients and society.

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لوحة الكسارة الصناعية

The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.

By Eden from Chile - 2016.05.02 18:28

This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.

By Katherine from Maldives - 2016.10.27 12:12