30, Nikola Petkov Str.
5400 Sevlievo
Bulgaria
tel: 0675 3 28 68
fax: 0675 3 28 70
еmail: emka@nat.bg
Round and rectangular enamelled copper wires
Round and rectangular wires with paper insulation
Rectangular copper wires insulated other insulation materials
Round and rectangular aluminium wires
Bare soft rectangular copper and aluminium wires

TRAFEL®

MPHP
General requirements

Kraft paper insulated rectangular copper wires.

MPHP
Applications

For coils of oil transformers, generators and other electrical machinery and apparatus.

Standards

BDS EN 60317-27, IEC 60317-27

Technical Data
  • Nominal dimensions thickness: 1.00 mm ÷ 7.00 mm
    width: 4.00 mm ÷ 20.00 mm
  • Type of Insulation Kraft paper with thickness 0.05 mm, 0.06 mm or 0.08 mm.
    Increase in dimensions due to the paper tape covering can be from 0.30 mm up to 3.00 mm.
    Increase in dimensions due to the paper covering
    0.50 mm 10%
    0.50 mm ÷ 1.25 mm 7.5%
    over 1.25 mm 5%
  • Thermal class 90° (In impregnated or washed condition with electro isolating varnish or
    oil these wires are assigned to heat-resistance 105).
  • Flexibility Bending through 180° around mandrel diameter 10 times the nominal thickness and 15 times nominal width of the conductor (under negotiation with the buyer).
  • Packing: on drums