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WMPG-1kV, 10kV, 20kV, 35kV—Continuous Busbar Protection Bushing
WMPG-1kV, 10kV, 20kV, 35kV—Continuous Busbar Protection Bushing
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Application areas:
It is widely used in the power industry, communications, automobiles, ships, aircraft manufacturing and other fields.
Product Description
Heat shrink ratio: 2:1
Initial shrinkage temperature: ≥+84 ℃
Complete shrinkage temperature: ≥+120 ℃
Operating temperature: -55 ℃ ~ +125 ℃
Environmentally friendly, high strength, elastic, and flame retardant.
Environmental certification: RoHS
Product Parameters
|
performance |
index |
Test Standards |
|
Tensile strength |
≥8 MPa |
GB/T1040 |
|
Elongation at break |
≥300% |
GB/T1040 |
|
Tensile strength after heat aging |
≥6.4 MPa |
GB/T1040 , GB/T7141 |
|
Elongation at break after heat aging |
≥100% |
GB/T1040 , GB/T7141 |
|
radial shrinkage rate |
≥50% |
|
|
Axial contraction rate |
Φ20~Φ30≤5% ; Φ40~Φ50≤8% ; Φ60 and above ≤15% |
|
|
thermal shock |
No cracking, no dripping |
JB7829 Appendix D (160 ℃ × 4h) |
|
Low temperature resistance |
No cracking |
(at -40 ℃ ) |
|
Flame retardancy test ( Oxygen Index OI) |
≥28 |
GB/T2406 |
|
Breakdown strength |
≥15kV/mm |
GB/T1408.1 |
|
Volume resistivity |
≥4.3×10 14 Ω·cm |
GB/T1410 |
|
Hardness ( Shore A) |
≤90 |
GB 2411 |
* When conducting this test, it applies to 10kV busbars. The product must be evenly shrunk onto the busbar, and the length of the parallel section must be ≥1200mm .
|
Electrical performance |
|||||
|
project |
unit |
index |
|||
|
1kV level |
10kV level |
20kV level |
35kV level |
||
|
Power frequency voltage test |
kV |
2 |
42 |
50 |
95 |
|
Lightning impulse voltage test |
kV |
4 |
75 |
95 |
185 |
Product Selection
Specifications of 1kV continuous busbar protection heat shrink tubing:
|
Specification |
Applicable busbars ( square / round ) |
Supply inner diameter (mm) |
Fully shrunk dimensions (mm) |
Standard packaging Rice / plate |
|
|
inner diameter |
Wall thickness |
||||
|
1kV WMPG 30/15 |
30 |
31.5±1.0 |
≤15 |
0.95±0.15 |
50 |
|
1kV WMPG 35/18 |
35 |
36.5±1.5 |
≤18 |
1.00±0.15 |
50 |
|
1kV WMPG 40/20 |
40 |
41.5±1.5 |
≤20 |
1.00±0.15 |
50 |
|
1kV WMPG 45/23 |
45 |
46.5±1.5 |
≤23 |
1.00±0.15 |
25 |
|
1kV WMPG 50/25 |
50 |
51±2.0 |
≤25 |
1.00±0.15 |
25 |
|
1kV WMPG 60/30 |
60 |
60±3.0 |
≤30 |
1.30±0.20 |
25 |
|
1kV WMPG 65/33* |
60 |
65±3.0 |
≤33 |
1.30±0.20 |
25 |
|
1kV WMPG 70/35 |
70 |
70±3.0 |
≤35 |
1.30±0.20 |
25 |
|
1kV WMPG 75/38* |
75 |
75±3.0 |
≤38 |
1.30±0.20 |
25 |
|
1kV WMPG 80/40 |
80/100 |
80±3.0 |
≤40 |
1.46±0.20 |
25 |
|
1kV WMPG 85/43* |
80/100 |
85±3.0 |
≤43 |
1.46±0.20 |
25 |
|
1kV WMPG 90/45 |
100 |
90±4.0 |
≤45 |
1.46±0.20 |
25 |
|
1kV WMPG 100/50 |
100/120 |
100±4.0 |
≤50 |
1.46±0.20 |
25 |
|
1kV WMPG 120/60 |
150 |
120±4.0 |
≤60 |
1.46±0.20 |
25 |
|
1kV WMPG 150/75 |
180 |
150±4.0 |
≤75 |
1.46±0.20 |
25 |
|
1kV WMPG 180/90 |
MAX |
180±4.0 |
≤90 |
1.46±0.20 |
25 |
|
1kV WMPG 210/105* |
MAX |
210±4.0 |
≤105 |
1.46±0.20 |
25 |
|
1kV WMPG 230/115* |
MAX |
230±4.0 |
≤115 |
1.46±0.20 |
25 |
|
1kV WMPG 250/125* |
MAX |
250±5.0 |
≤125 |
1.46±0.20 |
25 |
Note: Specifications marked with an asterisk (* ) are not kept in stock and must be made to order.
Specifications of 10kV Continuous Busbar Protection Heat Shrink Tubing
|
Specification |
Applicable busbars ( square / round ) |
Supply inner diameter (mm) |
Fully shrunk dimensions (mm) |
Standard packaging Rice / plate |
|
|
inner diameter |
Wall thickness |
||||
|
10kV WMPG 15/8 |
15/12 |
15±0.8 |
≤8 |
2.10±0.30 |
25 |
|
10kV WMPG 20/10 |
20/15 |
20±0.8 |
≤10 |
2.10±0.30 |
25 |
|
10kV WMPG 25/12 |
25/18 |
25±0.8 |
≤12 |
2.10±0.30 |
25 |
|
10kV WMPG 30/15 |
30/20 |
30±0.8 |
≤15 |
2.10±0.30 |
25 |
|
10kV WMPG 40/20 |
40/30 |
40±1.0 |
≤20 |
2.30±0.30 |
25 |
|
10kV WMPG 50/25 |
50/35 |
50±2.0 |
≤25 |
2.30±0.30 |
25 |
|
10kV WMPG 60/30 |
60/45 |
60±3.0 |
≤30 |
2.30±0.30 |
25 |
|
10kV WMPG 65/33* |
65/45 |
65±3.0 |
≤33 |
2.30±0.30 |
25 |
|
10kV WMPG 70/35 |
70/50 |
70±3.0 |
≤35 |
2.30±0.30 |
25 |
|
10kV WMPG 75/38* |
75/50 |
75±3.0 |
≤38 |
2.30±0.30 |
25 |
|
10kV WMPG 80/40 |
80/55 |
80±3.0 |
≤40 |
2.30±0.30 |
25 |
|
10kV WMPG 85/43* |
80/65 |
85±3.0 |
≤43 |
2.40±0.30 |
25 |
|
10kV WMPG 100/50 |
100/75 |
100±4.0 |
≤50 |
2.40±0.30 |
25 |
|
10kV WMPG 120/60 |
120/85 |
120±4.0 |
≤60 |
2.40±0.30 |
25 |
|
10kV WMPG 150/75 |
150/105 |
150±4.0 |
≤75 |
2.40±0.30 |
25 |
|
10kV WMPG 180/90 |
180/120 |
180±5.0 |
≤90 |
2.40±0.30 |
25 |
|
10kV WMPG 210/105* |
210/140 |
210±5.0 |
≤105 |
2.40±0.30 |
20 |
|
10kV WMPG 230/115 |
230/150 |
230±5.0 |
≤115 |
2.40±0.30 |
20 |
|
10kV WMPG 250/125* |
250/180 |
250±5.0 |
≤125 |
2.40±0.30 |
20 |
|
10kV WMPG 300/150* |
300/210 |
300±5.0 |
≤150 |
2.40±0.30 |
15 |
Note: Specifications marked with an asterisk (* ) are not kept in stock and require a special order to be made.
Specifications of 20kV Continuous Busbar Protection Heat Shrink Tubing
|
Specification |
Applicable busbars ( square / round ) |
Supply inner diameter (mm) |
Fully shrunk dimensions (mm) |
Standard packaging Rice / plate |
|
|
inner diameter |
Wall thickness |
||||
|
20kV WMPG 15/8 |
15/12 |
15±0.8 |
≤8 |
2.50±0.20 |
20 |
|
20kV WMPG 20/10 |
20/15 |
20±0.8 |
≤10 |
2.50±0.20 |
20 |
|
20kV WMPG 25/13 |
25/18 |
25±0.8 |
≤13 |
2.50±0.20 |
20 |
|
20kV WMPG 30/15 |
30/20 |
30±0.8 |
≤15 |
2.50±0.20 |
20 |
|
20kV WMPG 40/20 |
40/30 |
40±1.0 |
≤20 |
2.80±0.30 |
25 |
|
20kV WMPG 50/25 |
50/35 |
50±2.0 |
≤25 |
2.80±0.30 |
25 |
|
20kV WMPG 60/30 |
60/45 |
60±3.0 |
≤30 |
2.80±0.30 |
25 |
|
20kV WMPG 65/33* |
65/45 |
65±3.0 |
≤33 |
2.80±0.30 |
25 |
|
20kV WMPG 70/35 |
70/50 |
70±3.0 |
≤35 |
2.80±0.30 |
25 |
|
10kV WMPG 75/38 |
75/50 |
75±3.0 |
≤38 |
2.80±0.30 |
25 |
|
20kV WMPG 80/40 |
80/55 |
80±3.0 |
≤40 |
2.80±0.30 |
25 |
|
20kV WMPG 85/43* |
80/65 |
85±3.0 |
≤43 |
2.80±0.30 |
25 |
|
20kV WMPG 100/50 |
100/75 |
100±4.0 |
≤50 |
2.80±0.30 |
25 |
|
20kV WMPG 120/60 |
120/85 |
120±4.0 |
≤60 |
2.80±0.30 |
25 |
|
20kV WMPG 150/75 |
150/105 |
150±4.0 |
≤75 |
2.80±0.30 |
25 |
|
20kV WMPG 180/90 |
180/120 |
180±5.0 |
≤90 |
2.80±0.30 |
25 |
|
20kV WMPG 210/105* |
210/140 |
210±5.0 |
≤105 |
2.80±0.30 |
20 |
|
20kV WMPG 230/115* |
230/150 |
230±5.0 |
≤115 |
2.80±0.30 |
20 |
Note: Specifications marked with an asterisk (* ) are not kept in stock and must be made to order.
Specifications of 35kV continuous busbar protection heat shrink tubing :
|
Specification |
Applicable to busbars ( square busbars ) |
Supply inner diameter (mm) |
Fully shrunk dimensions (mm) |
Standard packaging Rice / plate |
|
|
inner diameter |
Wall thickness |
||||
|
35kV WMPG 15/8 |
15/12 |
15±1.0 |
≤8.0 |
4.00±0.30 |
15 |
|
35kV WMPG 20/10 |
20/15 |
20±1.0 |
≤10.0 |
4.00±0.30 |
15 |
|
35kV WMPG 30/15 |
30 |
30±1.0 |
≤15.0 |
4.00±0.30 |
15 |
|
35kV WMPG 35/18 |
30/40 |
35±1.0 |
≤18.0 |
4.00±0.30 |
15 |
|
35kV WMPG 40/20 |
40 |
40±1.0 |
≤20.0 |
4.00±0.30 |
15 |
|
35kV WMPG 50/25 |
50 |
50±2.0 |
≤25.0 |
4.00±0.30 |
15 |
|
35kV WMPG 60/30 |
60 |
60±2.0 |
≤30.0 |
4.00±0.30 |
15 |
|
35kV WMPG 65/33 * |
60/70 |
65±2.0 |
≤33.0 |
4.00±0.30 |
15 |
|
35kV WMPG 70/35 |
70 |
70±2.0 |
≤35.0 |
4.00±0.30 |
15 |
|
35kV WMPG 75/38 * |
70/80 |
75±2.0 |
≤38.0 |
4.00±0.30 |
15 |
|
35kV WMPG 80/40 |
80/100 |
80±4.0 |
≤40.0 |
4.00±0.30 |
15 |
|
35kV WMPG 100/50 |
100/120 |
100±4.0 |
≤50.0 |
4.00±0.30 |
15 |
|
35kV WMPG 120/60 |
150 |
120±4.0 |
≤60.0 |
4.00±0.30 |
15 |
|
35kV WMPG 150/75 |
180 |
150±4.0 |
≤75.0 |
4.00±0.30 |
15 |
|
35kV WMPG 180/90 * |
MAX |
180±5.0 |
≤90.0 |
4.00±0.30 |
15 |
|
35kV WMPG 210/105 * |
MAX |
210±5.0 |
≤105.0 |
4.00±0.30 |
15 |
|
35kV WMPG 230/115 * |
MAX |
230±5.0 |
≤115.0 |
4.00±0.30 |
15 |
|
35kV WMPG 250/125 * |
MAX |
250±5.0 |
≤125.0 |
4.00±0.30 |
15 |
|
35kV WMPG 300/150 * |
MAX |
300±5.0 |
≤150.0 |
4.00±0.30 |
15 |
Note: Specifications marked with an asterisk (* ) are not kept in stock and must be made to order.
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