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12kV Insulating Pulling Pole Assembly
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12kV Insulating Pulling Pole Assembly

12kV Insulating Pulling Pole Assembly

1.Rated Voltage: 12kV
2. Rated short-circuit breaking current：25/31.5/40kA
3. Rated power frequency withstand voltage :48 kV/1min
4. Scope of use and applications: It can be installed in the insulating cylinder made by APG casting process, and also can be installed in the structure of vacuum circuit breaker with bare interrupter, generally used for connecting the movable end of the vacuum interrupter and the transmission parts of the mechanism, and is applicable to the indoor vacuum circuit breaker below 12KV.
5. Product Advantages: Wide range of use, good consistency, support for special design, stable performance.
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Product Introduction

12kV Insulating Pulling Pole Assembly is 12kV and the following indoor high-voltage vacuum circuit breaker, used to connect the transmission part of the mechanism and the primary conductive circuit, with a certain degree of mechanical strength and insulation capacity of the electrical components.

 

Product Specifications

Specification Sheet

No.

Name

Unit

Data

1

Rated voltage

kV

12

6

Rated short-circuit breaking current

kA

25/31.5/40

7

Rated Power Frequency Withstand voltage

kV/1min

48

8

Bureau

pc

≤5

9

Stretching Resistance

kN

20kN

10

Torsion Resistance

N．m

5
Product Advantages

 

12kV Insulating Pulling Pole Assembly has many advantages:

 

 

Good consistency:

pressed by high-pressure molds, with accurate external dimensions;

 

 

 

 

Wide range of use:

insulated tie rods are available in a variety of standard sizes, which can be adapted to a variety of occasions of 12kV and below.

 

 

 

Supporting special design:

our company can design the insulated tie rods according to the user's arc extinguishing chambers, according to the different breaking currents, to meet the user's requirements.

 

 

Stable performance:

pressed with DMC material, excellent insulating ability; through the special tooling, and professional measurement and inspection equipment to ensure product consistency, reliable performance.

Product Applications
 
12kV Insulating Pulling Pole Assembly has many applications:
 
12kV and below indoor vacuum circuit breaker.

         

Product Outline Drawing  

 

12kV Insulating Pulling Pole Assembly PRICE

The insulated tie rods are internally fitted with compression springs, which are used to ensure sufficient holding force when the vacuum circuit breaker is closed. This holding force is also used to provide the initial energy for switch opening, related to the rated short circuit current of the switch.

Domestic interrupters are generally referenced to the following table:

 

Rated short circuit breaking current

Pre-pressure (value of the compression force of the spring after completion of assembly)

Rated voltage (The value of spring compression force after the circuit breaker closes, in accordance with the domestic 3mm over-travel time shall prevail)
 

25kA

1600±80N

2200±110N
 

31.5kA

2280±120N

3100±150N
 

40kA

3370±170N

4500±250N

 

 

 

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