SynTherm® – Insulating Materials SynTherm® NPN/130 411

SynTherm® NPN/130 411 is a flexible 3-ply insulation.
It consists of a polyester film with an uncalandered Nomex® layer type 411 on both sides.

The proven electrical and mechanical properties of the polyester film and the excellent thermal resistance of the outer Nomex® layers result in a high performance insulating material. SynTherm® NPN/130 411 is easy to form and, therefore, displays good processing characteristics as phase insulation. The ability of the uncalandered Nomex® layers to absorb impregnants results in excellent bonding between all winding components. SynTherm® NPN/130 411 is characterised by its high thermal and chemical resistance.

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Application

SynTherm® NPN/130 411 is especially used as phase insulation for electric motors. In special cases SynTherm® NPN/130 411 can be used as core and interlayer insulation for transformers.

Standards

  • Suitable for class H (180 °C) systems
  • Insulating material according to IEC 60626

Delivery forms

Total thickness in μm:
270, 300, 350

SynTherm® NPN/130 411 can be supplied:

  • in slit rolls from widths of 10 mm and above
  • in rolls up to approx. width of 950 mm
  • in sheets on request: approx. 600 x 950 mm, 950 x 1,000 mm


Feathering:

  • depth approx. 1 - 12 mm, distance approx. 1 - 10 mm
  • from widths of 10 to 240 mm and thickness of 0.20 mm

Base

PET-film + uncalandered Nomex® on both sides

Technical data

Mechanical
Property Unit of measure Test method
Total thickness mm 0.27 0.30 0.35 standard climate 23/50
Film thickness µm 36 50 125 standard climate 23/50
Specific weight g/m² 155 170 280 standard climate 23/50
Tensile strength longitudinal N/10 mm 60 75 140 standard climate 23/50
Tensile strength transversal N/10 mm 60 75 140 standard climate 23/50
Elongation at break longitudinal* % 5 5 7 standard climate 23/50
Elongation at break transversal* % 10 10 10 standard climate 23/50
Electrical
Property Unit of measure Test method
Total thickness µm 0.27 0.30 0.35 standard climate 23/50
Dielectric strength* kV 5 6 12 standard climate 23/50
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