Glass Insulated Nickel-Conductor Heat Resistant Cables – Ninomiya NI-GB

Glass-insulated nickel-conductor heat-resistance wire (NI-GB) is made of nickel wires which are highly resistant to heat and corrosion, and covered with glass fiber. Maximum operating temperature of this series is 220℃.

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Glass-insulated nickel-conductor heat-resistance wire (NI-GB) is made of nickel wires which are highly resistant to heat and corrosion, and covered with glass fiber. Maximum operating temperature of this series is 220℃.

Construction

  • Conductor
    Basically conductor is a stranded wire made of several nickel elemental wires which correspond with JIS C 2532 (Electrical resistance wires, ribbons, and sheets for general use). Construction of the conductor is shown in below table. Nickel-coated annealed copper wire also can be a conductor.
  • Insulator
    Conductor is double served with glass evenly, braided with glass-yarn, and baked with silicone varnish on the surface to make an insulator. If nominal sectional area of the conductor is 8.0 Sq. or more, it is double braided with grass-yarn instead of having the serving process.
  • Color
    Color identification is made by coloring silicone varnish, and spiraling glass-yarn braid and colored glass fiber in stripes at the outermost. The standard is red-spiraled stripes on a white ground.

Applications

Widely used as lead wires of electric heaters or wirings in high-temperature equipments where, especially resistance to heat and corrosion is required.

Specification

Parts No. Conductor Served-wire shielding thickness Braind shielding thickness Finished OD Conductor resistance Insulation resistance Test voltage (AC 1 min.)
Sectional area mom. Construction No. of wires/Dia. of elemental wire OD
mm2 No. of wires/mm mm mm mm mm Ω/Km MΩ・Km V
8351NG00N 0.5 20/0.18 1 0.15 0.3 1.9 190.2 1 600
8451NG00N 0.75 30/0.18 1.1 0.15 0.3 2 126.8 1 600
8551NG00N 1.25 50/0.18 1.5 0.15 0.35 2.5 76 1 600
8651NG00N 2 37/0.26 1.8 0.15 0.35 2.8 49.3 1 600
5651NG00N 3.5 66/0.26 2.4 0.15 0.35 3.4 27.7 1 600
8851NG00N 5.5 35/0.45 3.1 0.15 0.35 4.1 17.6 1 600
8951NG00N 8 50/0.45 3.7 0.6 4.9 12.3 1 600
9051NG00N 14 88/0.45 4.9 0.6 6.1 7 1 600
9151NG00N 22 7/20/0.45 7 0.6 8.2 4.4 1 600
9351NG00N 38 7/34/0.45 9.1 0.6 10.3 2.5 1 600

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