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KNX Type K Thermocouple Extension Wire FEP Insulated 0.2mm² 26AWG Ultra Thin High Temp Resistant

Place of Origin Shanghai
Brand Name Huona
Certification ISO9001
Model Number KNX
Minimum Order Quantity 200m
Price Negotiable
Packaging Details Carton/Wooden case
Delivery Time 5-21 days
Payment Terms L/C,T/T,Western Union
Supply Ability 500 tons per month
Product Details
Grade KNX Insulation Material FEP
Conductor Size 26AWG (0.2mm²) Configuration Single-conductor
Standard Length 200m/spool Operating Temperature -50°C ~ 205°C
Insulation Color Black Voltage Rating 300V
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KNX thermocouple extension wire FEP insulated

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Type K thermocouple wire high temp resistant

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26AWG ultra thin thermocouple cable

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Product Description

KNX Type K Thermocouple Extension Wire – FEP Insulated, 0.2mm² 26AWG Ultra-Thin Grade


Product Overview


This KNX Type K thermocouple extension wire from Huona is a space-optimized, high-performance signal transmission solution for Type K temperature sensing systems, purpose-built for ultra-tight installation scenarios, high-density control cabinets, and miniature sensor assemblies. Constructed with KN (Alumel, Type K thermocouple negative leg) precision-calibrated alloy conductor, paired with matching KP (Chromel, positive leg) for complete circuit compatibility, and high-performance FEP fluoropolymer insulation, this wire delivers ultra-stable thermoelectric performance, exceptional chemical resistance, and industry-leading space efficiency. It is engineered for use in compact industrial equipment, embedded temperature monitoring, and high-density wiring layouts where traditional insulated wires cannot meet size requirements.



Core Specifications


  • Product Name: KNX Type K Thermocouple Extension Wire
  • Conductor Material: KN (Alumel, Type K thermocouple negative leg)
  • Insulation Material: FEP (Fluorinated Ethylene Propylene, black finish)
  • Standard Conductor Size: 26AWG (0.2mm² cross-section)
  • Wire Configuration: Single-conductor (KNX Alumel leg, matching KPX Chromel leg available as a matched pair)
  • Standard Outer Diameter: 1.2mm
  • Standard Length: 1000m/spool (custom cut lengths available)
  • Thermoelectric Performance:
    • Accuracy Class: IEC Extension Grade 1
    • Thermoelectric Power: Strictly calibrated to IEC Type K thermocouple standards

  • Operating Temperature Range: -50°C ~ 205°C (continuous use)
  • Standards Compliance: IEC 60584-3, GB/T 4989, RoHS 2.0, REACH



Key Differentiating Advantages


1. Ultra-Thin Design for High-Density Wiring


The 1.2mm outer diameter and 26AWG conductor enable 50% more wiring in the same space compared to standard 24AWG wires, making it ideal for high-density control cabinets, miniature thermocouple probes, and embedded sensor installations. It allows for more compact equipment design without compromising signal performance.

2. FEP Insulation for Balanced Performance & Processability


FEP insulation offers a perfect balance of high-temperature resistance, chemical inertness, and excellent processability. It maintains stable electrical performance from cryogenic temperatures down to -50°C up to 205°C, with excellent resistance to acids, alkalis, organic solvents, and ozone. It also features low smoke and zero halogen properties, making it suitable for enclosed industrial spaces.

3. Precision-Calibrated Conductor for Consistent Signal Transmission


The KN (Alumel) conductor is manufactured with strict alloy composition control, ensuring minimal thermoelectric drift and accurate temperature reading transmission over long distances. The wire is paired with matching KPX Chromel wire to form a complete, perfectly matched Type K extension circuit.

4. Superior Mechanical Durability & Flexibility


FEP insulation provides high tensile strength, abrasion resistance, and resistance to cracking under repeated bending. The wire maintains excellent flexibility for easy routing in tight spaces, around complex geometries, and in dynamic applications with constant movement.

5. High-Volume Production-Friendly Design


The long spool length and thin form factor reduce material waste in high-volume sensor manufacturing, while the FEP insulation allows for fast, clean stripping and termination. It is ideal for mass production of miniature thermocouple probes and compact temperature sensing equipment.



Technical Specifications Table

Attribute Typical Specification
Thermocouple Type KNX (Type K, Alumel Negative Leg)
Insulation Material FEP (Fluorinated Ethylene Propylene)
Conductor Size 26AWG (0.2mm²)
Configuration Single-conductor
Standard Length 200m/spool
Operating Temperature -50°C ~ 205°C
Insulation Color Black
Voltage Rating 300V
Dielectric Strength ≥1500V AC
Insulation Resistance ≥ 800 MΩ·km



Supply & Packaging Standard


  • Supply Form: Continuous wire on standard industrial plastic spools, available in standard lengths or custom cut-to-size pieces
  • Packaging: Sealed anti-oxidation packaging with moisture-proof wrapping, suitable for long-term storage and export transit
  • MOQ: 1 spool (sample order); bulk quantities available for industrial OEMs and sensor manufacturers
  • Customization: Conductor size, insulation material, length, and matched KPX wire pairs available upon request



Typical Application Scope


  1. Miniature Thermocouple Probes: Signal transmission for compact Type K thermocouple sensors used in tight equipment spaces.
  2. High-Density Control Systems: Temperature signal wiring in compact control panels and automation equipment.
  3. Embedded Temperature Sensing: Internal temperature monitoring in motors, power supplies, and industrial machinery.
  4. High-Volume Sensor Manufacturing: Core material for mass production of Type K thermocouple sensors.
  5. Laboratory & R&D: Precision temperature measurement in compact test equipment and material testing setups.