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10KV cold shrink joint
10KV cold shrink joint
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Application areas:
The intermediate joint adopts a three-layer waterproof sealing process to ensure excellent sealing and moisture-proof performance.
Product Description
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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.
Excellent sealing performance: The intermediate joint adopts a three-layer waterproof sealing process, with excellent sealing and water repellency, ensuring 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
0.6/1 kV intermediate joint test items
|
Serial Number |
project |
parameter |
|
1 |
model |
0.6/1kVWLT |
|
2 |
Nominal voltage (kV) |
0.6/1 |
|
3 |
Maximum permissible continuous operating voltage (kV) |
1.2 |
|
4 |
Normal operating temperature ( °C ) |
90 |
|
5 |
Temperature during short circuit ( °C ) |
250 |
|
6 |
Transmission capacity |
Consistent with cables |
|
7 |
Short circuit capacity |
Consistent with cables |
8.7/15kV Intermediate Joint Test Items
|
Intermediate joint testing items and standard requirements |
|
|
5-minute power frequency withstand voltage test |
39kV , no flashover, no breakdown |
|
Partial discharge test at room temperature |
At 15kV , the discharge quantity is no more than 10pC. |
|
Constant voltage load cyclic voltage test (in air) |
23kV , conductor heated to ( 95-100 )℃, each cycle is 8h , including 5h heating and 3h cooling , for a total of 60 cycles. |
|
Partial discharge test at high temperature |
When the conductor is heated to 95-100 ℃ at 15kV , the discharge quantity does not exceed 10pC. |
|
Constant voltage load cyclic voltage test (in water) |
23kV , conductor heated to ( 95-100 )℃, each cycle is 8h , including 5h heating and 3h cooling , for a total of 30 cycles. |
|
Lightning impulse voltage test |
95kV , 10 times each in positive and negative polarities, no flashover, no breakdown. |
|
15min AC withstand voltage test |
23kV , no flashover, no breakdown |
12/20kV Intermediate Joint Test Items
|
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 |
26/35kV intermediate joint test items
|
Experimental Project |
Standard requirements |
|
1-minute outdoor terminal rain frequency voltage test |
104kV , no flashover, no breakdown |
|
5-minute power frequency withstand voltage test |
117kV , no flashover, no breakdown |
|
Partial discharge test |
The discharge quantity at 45kV is no more than 10pC. |
|
Constant voltage load cyclic voltage test (in air) |
65kV , 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 |
200kV , 10 times each in positive and negative polarities, no flashover, no breakdown. |
|
15min AC withstand voltage test |
65kV , no flashover, no breakdown |
Product Selection
1kV Product Selection Table
|
Product Name |
Specifications and Models |
Applicable cable cross-section |
|
Cold shrink single core joint |
0.6/1kVWLJ-1/1 |
25-50mm 2 |
|
0.6/1kVWLJ-1/2 |
70-120mm 2 |
|
|
0.6/1kVWLJ-1/3 |
150-240mm 2 |
|
|
0.6/1kVWLJ-1/4 |
300-400mm 2 |
|
|
Cold shrink three-core intermediate connector |
0.6/1kVWLJ-3/1 |
25-50mm 2 |
|
0.6/1kVWLJ-3/2 |
70-120mm 2 |
|
|
0.6/1kVWLJ-3/3 |
150-240mm 2 |
|
|
0.6/1kVWLJ-3/4 |
300-400mm 2 |
|
|
Cold shrink four-core intermediate connector |
0.6/1kVWLJ-4/1 |
25-50mm 2 |
|
0.6/1kVWLJ-4/2 |
70-120mm 2 |
|
|
0.6/1kVWL J-4/3 |
150-240mm 2 |
|
|
0.6/1kVWLJ-4/4 |
300-400mm 2 |
|
|
Cold shrink five-core intermediate connector |
0.6/1kVWLJ-5/1 |
25-50mm 2 |
|
0.6/1kVWLJ-5/2 |
70-120mm 2 |
|
|
0.6/1kVWLJ-5/3 |
150-240mm 2 |
|
|
0.6/1kVWLJ-5/4 |
300-400mm 2 |
10kV Product Selection Table
|
voltage level |
Number of wire cores |
Cable cross-section /mm2 |
Insulation outer diameter /mm |
Product Code |
|
8.7/15(17.5)kV |
1, 3 |
25-50 70-120 150-240 300-400 500-630 |
16-19.5 19-24.5 23.5-30 30.5-35 37-42.3 |
8.7/15kVWLJ-1/1(3/1) 8.7/15kVWLJ-1/2(3/2) 8.7/15kVWLJ-1/3(3/3) 8.7/15kVWLJ-1/4(3/4) 8.7/15kVWLJ-1/5(3/5) |
|
6/10(12)kV |
1, 3 |
50-70 95-150 185-300 400-500 630 |
16-19.5 19-24.5 23.5-30 30.5-35 37-42.3 |
6/10kVWLJ-1/1(3/1) 6/10kVWLJ-1/2(3/2) 6/10kVWLJ-1/3(3/3) 6/10kVWLJ-1/4(3/4) 6/10kVWLJ-1/4(3/4) |
20kV Product Selection Table
|
voltage level |
Number of wire cores |
Cable cross-section /mm2 |
Insulation outer diameter /mm |
Product Code |
|
12/20 ( 24 ) kV |
1, 3 |
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 |
12/20kVWLJ-1/1(3/1) 12/20kVWLJ-1/2(3/2) 12/20kVWLJ-1/3(3/3) 12/20kVWLJ-1/4(3/4) 12/20kVWLJ-1/5(3/5) |
35kV Product Selection Table
|
voltage level |
Number of wire cores |
Cable cross-section /mm2 |
Insulation outer diameter /mm |
Product Code |
|
20.8/36(42)kV or 26/35 (40.5) |
1, 3 |
50-95 120-240 300-400 500-630 |
28.5-35 35.5-42 42.5-48 48.5-56 |
26/35 kVWLN-1/1(3/1) 26/35 kVWLN-1/2(3/2) 26/35 kVWLN-1/3(3/3) 26/35 kVWLN-1/4(3/4) |
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