Silicone Rubber Motor Winding Wire | 180°C Heat Resistant Copper Conductor for Electric Motors

Silicone Rubber Insulated Cables9
Description

Product Overview

Premium silicone rubber-insulated winding wire engineered for high-temperature electric motor applications. Featuring copper/tinned copper conductors with exceptional thermal stability, this wire maintains electrical integrity at continuous operating temperatures up to 180°C. Ideal for motor lead connections requiring superior flexibility, chemical resistance, and long-term reliability in demanding environments.

Key Features & Benefits:

  • Extreme Temperature Resistance: Continuous operation at 180°C with short-term overload capacity

  • Enhanced Dielectric Strength: Superior insulation properties at high voltages

  • Flexible Construction: Maintains pliability across -60°C to +250°C temperature range

  • Chemical & Environmental Stability: Resists oils, acids, ozone, and moisture degradation

  • Long Service Life: Silicone rubber prevents brittleness and insulation cracking

  • Flame Retardant Options: Available with self-extinguishing properties (ZR series)

Construction:

Component Specification
Conductor Electrolytic Copper / Tinned Copper Strands
Insulation High-Grade Silicone Rubber Compound
Special Features Flame-retardant additives (ZR models), Tin-plating for solderability (X models)

Technical Data:

Parameter Specification
Rated Voltage 500V / 1000V
Temp. Range Continuous: Up to +180°C
Short-Term: +250°C
Low-Temp: -60°C
Min. Bending Radius ≥ 4 × Cable Diameter
Thermal Class 180°C (IEC 60085)
Standards IEC 60317, NEMA MW 1000

Product Series & Identification:

Model Prefix Conductor Insulation Features Temp Rating
JG Copper Silicone Rubber Standard 180°C
JHG Copper Silicone Rubber High-Temp Reinforcement 180°C
JHXG Tinned Copper Silicone Rubber Solderable 180°C
Zr-JG Copper Silicone Rubber Flame Retardant 180°C
Zr-JHXG Tinned Copper Silicone Rubber Flame Retardant + Solderable 180°C

Code Decoder:

  • J: Motor winding lead wire

  • G: Silicone rubber insulation

  • H: High temperature

  • X: Tinned conductor

  • Zr: Flame retardant

Primary Applications:

  • Electric motor winding leads (AC/DC motors)

  • Generator stator connections

  • Industrial motor repair/rewinding

  • HVAC compressor motors

  • Pump and fan motor assemblies

  • High-temperature industrial equipment

  • Automotive traction motors

Engineering Selection Guide:

  1. Temperature Requirements:

    • 180°C: Silicone rubber (JG/JHG/JHXG/ZR series)

    • 90°C: EPR/CPE insulation (JE/JEH/JEM/JH series)

    • 70°C: PVC/Nitrile compounds (JV/JF/JXN/JXF/JBF series)

  2. Environmental Factors:

    • Chemical exposure: Silicone rubber models

    • Solder connections: JHXG/Zr-JHXG (tinned conductors)

    • Flame risk: ZR flame-retardant series

  3. Electrical Parameters:

    • Verify voltage rating (500V vs 1000V)

    • Consider corona resistance for VFD applications

Compatible Standards:

  • IEC 60317 (Specifications for winding wires)

  • NEMA MW 1000 (Magnet Wire Standards)

  • UL 1441 (Motor Winding Wires)