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编号 :

1101169939130765312

Low pressure heat shrinkable busbar

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Low pressure heat shrinkable busbar

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Thermal casing

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  • Details

    Low pressure heat shrinkable busbar ( 1kv continuous busbar protects heat shrinkable sleeve WMPG-1K )

     

    The low-pressure heat-shrinkable busbar is made of environmentally friendly polyolefin heat-shrinkable materials bombarded and crosslinked with high-energy electron beams. It limits PBB, PBBD, PBBE and heavy metals and other harmful substances to the environment. It does not produce toxic gases and harmful substances during combustion. High insulation strength and resistance to electric carbon traces, suitable for anti-corrosion and insulation protection of busbars and electrical equipment.

     

    Features

    ● Shrinkage ratio: 2: 1 (1kV, 35kV), 2.5: 1 (10kV busbar)

    ● Shrinkage temperature: 84 ℃ ～ 125 ℃

    ● Working temperature: -40 ℃ ～ 125 ℃

    ● Environmental protection, high strength, good elasticity, flame retardant, soft

     

    Product Usage

    ● Functional uses: electrical insulation, mechanical protection, reducing phase spacing, making joint boxes.

    ● Application field: Power industry

     

    Executive Standard

    a.GB/T 1059-2007

    b. Environmental certification: RoHS,

    c. Color standard: iron red, yellow, green, black 

     

    1kv continuous busbar protection heat shrinkable sleeve WMPG-1K physical and chemical electrical performance table

    performance

    unit

    Performance

    Test method / condition

    Tensile Strength

    MPa

    ≥10.4 (before aging)

    GB/T 1040

    130 ℃ × 168h

     

     

    ≥7.3 (after aging)

     

    Elongation at break

    %

    ≥300 (before aging)

    GB/T 1040，GB/T7141

    130 ℃ × 168h

     

     

    ≥100 (after aging)

     

    Thermal shock

    -

    No stickiness, no cracking

    JB 7829 Appendix D. (160 ℃ × 4h)

    Cold bending resistance

    -

    Does not crack

    -30 ℃ × 4h

    Breakdown strength

    kv/mm

    ≥25

    GB/T 1408.1

    Volume resistivity

    Ω.cm

    ≥1 × 1014

    GB/T 1410

    Radial shrinkage

    %

    ≥50

     

    Partial wall rate **

    %

    ≤30

    UL 224

    Flame retardant

    -

    ≥30

    GD / T 2406

    Water absorption

    %

    ≤0.5

    ISO 62-1980

    Power frequency withstand voltage *

    kv/mm

    ≥30kV.1min

    GB/T 1408.1

    Shore Hardness (Shore A)

     

    ≤90

    GB 2401

    * This indicator applies to 10KV busbars. When conducting this index test, the product must be uniformly shrunk on the busbar, and the thickness of the thinnest part should be greater than 2mm, and the length of the busbar should be ≥1200mm.

    ** 35kV continuous busbar deviation rate≤50%

     

    1kv continuous busbar protection heat shrinkable sleeve specifications table

    specification

    Applicable busbar width

    Size before shrinking (mm)

    Dimensions after shrinking (mm)

    standard packaging

     

     

    the inside diameter of

    Wall thickness

    the inside diameter of

    Wall thickness

    M / dish

    1kV WMPG 30

    30

    31.5 ± 1.0

    0.5 ± 0.15

    ≤15.0

    1.00 ± 0.15

    50

    1kV WMPG 35

    35

    36.5 ± 1.0

    0.5 ± 0.15

    ≤17.5

    1.00 ± 0.15

    50

    1kV WMPG 40

    40

    41.5 ± 1.0

    0.55 ± 0.15

    ≤20.0

    1.00 ± 0.15

    50

    1kV WMPG 45

    45

    46.5 ± 1.0

    0.55 ± 0.15

    ≤22.5

    1.00 ± 0.15

    25

    1kV WMPG 50

    50

    ≥50

    0.55 ± 0.15

    ≤25.0

    1.10 ± 0.15

    25

    1kV WMPG 60

    60

    ≥60

    0.60 ± 0.15

    ≤30.0

    1.20 ± 0.15

    25

    1kV WMPG 70

    70

    ≥70

    0.65 ± 0.15

    ≤35.0

    1.30 ± 0.20

    25

    1kV WMPG 75*

    75

    ≥75

    0.65 ± 0.15

    ≤38.0

    1.30 ± 0.20

    25

    1kV WMPG 80

    80/100

    ≥80

    0.65 ± 0.15

    ≤40.0

    1.30 ± 0.20

    25

    1kV WMPG 85*

    80/100

    ≥85

    0.65 ± 0.15

    ≤43.0

    1.30 ± 0.20

    25

    1kV WMPG 90

    100

    ≥90

    0.65 ± 0.15

    ≤45.0

    1.30 ± 0.20

    25

    1kV WMPG 100

    100/120

    ≥100

    0.65 ± 0.20

    ≤50.0

    1.30 ± 0.20

    25

    1kV WMPG 120

    150

    ≥120

    0.65 ± 0.20

    ≤60.0

    1.30 ± 0.20

    25

    1kV WMPG 150

    180

    ≥150

    0.65 ± 0.20

    ≤70.0

    1.30 ± 0.20

    25

    1kV WMPG 180

    MAX

    ≥180

    0.65 ± 0.30

    ≤90.0

    1.30 ± 0.30

    25

    1kV WMPG 210*

    MAX

    ≥210

    0.65 ± 0.30

    ≤105.0

    1.30 ± 0.30

    25

    1kV WMPG 230*

    MAX

    ≥230

    0.65 ± 0.30

    ≤115.0

    1.30 ± 0.30

    25

    1kV WMPG 250*

    MAX

    ≥250

    0.65 ± 0.30

    ≤125.0

    1.30 ± 0.30

    25

    Note: The specifications with * indicate that no inventory is required, and special orders need to be ordered

     

     

     

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