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20kV cold shrink terminal

20kV cold shrink terminal

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Application areas:

It has excellent cold resistance and is particularly suitable for high-altitude areas, cold areas, humid areas, salt spray areas and heavily polluted areas.

Product Description

Full cold shrink technology: No open flame or special tools are required, and there is no trouble of gradually inserting it. Just gently pull out the core rope, and it will shrink back due to its own elasticity, thus attaching tightly to the cable and completing the installation.

Reliable insulation: Made with imported liquid silicone rubber, ensuring excellent insulation and high resilience. After installation, it always provides constant and lasting radial pressure to the cable body, with low partial discharge, and "breathes" with the cable body.

Good sealing performance: The terminal body is equipped with cold shrink finger sleeves, cold shrink insulating tubes and cold shrink terminal sealing tubes to ensure the excellent elastic sealing and moisture-proof performance of the accessories.

Easy installation: Installation is simple, with low technical dependence on operation. Cable pretreatment requires a short stripping distance and minimal installation space. Grounding uses a constant force spring process, eliminating the need for welding or copper binding wire, making it faster and more reliable.

Widely applicable: It is stain-resistant, aging-resistant, hydrophobic, corrosion-resistant, and UV-resistant, ensuring stable performance over long-term use. It also possesses excellent cold-resistance, making it particularly suitable for high-altitude, cold, humid, salt-spray, and heavily polluted areas.

Product Parameters

12/20kV Terminal Test Project

Experimental Project

Standard requirements

1-minute outdoor terminal rain frequency voltage test

48kV , no flashover, no breakdown

5-minute power frequency withstand voltage test

54kV , no flashover, no breakdown

Partial discharge test

The discharge quantity at 20kV is no more than 10pC.

Constant voltage load cyclic voltage test (in air)

30kV , conductor heated to ( 95-100 )℃, each cycle is 8h , including 5h heating and 3h cooling , for a total of 60 cycles.

Lightning impulse voltage test

125kV , 10 times each in positive and negative polarities, no flashover, no breakdown.

15min AC withstand voltage test

30kV , no flashover, no breakdown

Outdoor terminal salt spray test

15kV , 1000h , no flashover, no breakdown

Indoor terminal humidity test

15kV , 300h , no flashover, no breakdown

Product Selection

voltage level

Number of wire cores

Cable cross-section /mm2

Insulation outer diameter /mm

Product Code

12/20(24)kV

1, 3

Indoor terminal

25-50

70-120

150-240

300-400

500-630

18-21.5

21-26.5

25.5-32

32.5-37

39-44.3

12/20kVWLN-1/1(3/1)

12/20kVWLN-1/2(3/2)

12/20kVWLN-1/3(3/3)

12/20kVWLN-1/4(3/4)

12/20kVWLN-1/5(3/5)

1, 3

Outdoor Terminal

25-50

70-120

150-240

300-400

500-630

18-21.5

21-26.5

25.5-32

32.5-37

39-44.3

12/20kVWLW-1/1(3/1)

12/20kVWLW-1/2(3/2)

12/20kVWLW-1/3(3/3)

12/20kVWLW-1/4(3/4)

12/20kVWLW-1/5(3/5)

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