Cold shrinkable cable accessory 35KV
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Specification
Product Name | Model | Cable cross section(mm²) |
35KV three-core intermediate connection | JLSY-35/3.1 | 50-95 |
JLSY-35/3.2 | 120-185 | |
JLSY-35/3.3 | 240-400 | |
JLSY-35/3.4 | 500-630 |
It is applicable to 26/35kv 3 cores PVC and XLPE power termination kit and intermediate joint, with good electrical and mechanical properties.
Technical Data
No. | Items | Requirements | |
1 | DC withstand voltage test | 156kv 15 min | |
2 | Partial discharge test | ≤10Pc （1.7U0） | |
3 | Impulse voltage test | 250kv 1.2/50 μs +10times | |
4 | Power frequency withstand voltage test | 78kv 4h | |
5 | Humid condition power frequency withstand voltage test（outdoor） | 105kv 1min | |
6 | Dry condition power frequency withstand voltage test（indoor） | 105kv 1min | |
7 | Main cold shrinkable material | Shore hardness(A) | 45 ± 3 |
8 | Tensile strength (Mpa) | ≥14 | |
9 | Permanent distortion ratio | ≤5% | |
10 | Insulation tubing | Volume resistivity (Ω.cm) | ≥1×1014 |
11 | Breakdown strength(kv/mm) | ≥23 | |
12 | Heat shrinkable stress control tube | Dielectric constant(ε) | ≈25 |
