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Drop-out fuse tube

Drop-out fuse tube

The drop-out fuse tube is made of uninterrupted fiber wet winding. It is specially developed for the structural parts of high-voltage electrical equipment such as reactors, arresters, fuses, transformers, on-load tap-changers, transformers, etc. The product performance parameters meet the requirements of IEC standards .

Basic parameters:

1: Winding angle, 45~65 (the winding angle can be adjusted according to different requirements to achieve better mechanical performance requirements);

2: Fiber content (weight ratio), 70~75%;

3: Density, 2.00 g/cm3;

4: Water absorption rate, less than 0.03%;

5: Axial thermal expansion coefficient, 1.8 E-05 1/K;

6: Glass transition temperature, 110~120 ℃;

7: Chemical resistance. Mineral oil: excellent;

8: Solvent and dilute acid: excellent;

9: Tensile modulus of elasticity, axial 14000 MPa;

10: Tensile strength; axial 280 MPa; circumferential 600 MPa;

11: Shear strength: 150 MPa;

12: Flexural strength: 350 MPa in axial direction;

13: Compressive strength: axial 240 MPa;

14: Relative permittivity 2-3.2;

15: Dielectric loss factor 0.003-0.015;

16: Partial discharge capacity ≤5;

17: Insulation strength: axial 3~6 kV; radial 10~12 kV;

18: Lightning impact: 110 KV

19: Power frequency shock: 50 KV;

20: Heat resistance grade: B, F, H grade

21: Inner diameter>5mm; outer diameter<300mm; length<2000mm.

The above data is for reference only, the casing parameters we produce are customized for each customer’s needs

Our products have been exported to the United States, Germany, South Korea, Japan, Europe, Russia and other countries.