K type thermocouple connectors are an accurate and convenient way to interconnect temperature sensing components. Using these connectors, a link can be formed from the temperature sensor measurement end to the host or instrument. It is important that all components in the link are made of the same thermocouple material to prevent any alteration or distortion of the original signal.
To achieve this, the pins of the thermocouple connector are made of the same material as the thermocouple used to connect or a compensating material. The thermocouple type is clearly printed on the connector housing and is color coded for easy identification. Open the connector and screw the thermocouple wire into place using the two set screw clamps. The miniature thermocouple plug connector can then be plugged into the matching miniature thermocouple socket connector.

Why Our k Type Thermocouple Connector Is Right For You
Our connector housing is made of a rugged glass-filled thermoplastic to ensure its strength and durability in harsh environments. It is equipped with copper pins that mate with the K-type thermocouple wire to provide an accurate, interference-free signal. Its polarized flat pin contacts also ensure a precise connection to prevent problems with miswiring.
This connector comes in different sizes and designs to comply with various international standards:
- European Standard Small Size
- Japanese Standard Small Size
- International Standard Big Size

Product Features and Benefits
• Pins made from true thermocouple alloys or compensating material for accurate signal transmission
• IEC colour coding for quick and easy identification
• Polarized flat pin contacts for an accurate connection
• Made from rugged glass-filled thermoplastic for added strength and durability
• Able to withstand a high temperature of 220°C
• For use with stranded or solid wires
• Accepts thermocouple cable up to 4mm in diameter
• Simple captive screw clamp connection for quick assembly
• Polarity and thermocouple type clearly marked on housings for easy installation
• Compact design ideal for space-constrained applications
• Available in different international sizes for broad compatibility with various systems
Product Specifications
|
Attribute |
Value |
|
Accessory Type |
Thermocouple Connector |
|
For Use With |
Type K Thermocouple |
|
Thermocouple Type |
K |
|
Colour |
Green, yellow, Eyc |
|
Connector Type |
In-Line |
|
Plug/Socket |
Plug |
|
Minimum Temperature |
-35°C |
|
Maximum Temperature |
220°C |
The image shows that this connector comes with a two-pin plug design, with exposed copper pins that are ideal for ensuring strong and reliable electrical connections. The connector housing is clearly marked with both polarity symbols (+ and -) and the thermocouple type, making installation both easy and foolproof. The dimensionally compact design allows it to be used in tight spaces while still providing rugged durability and high performance in various temperature and environmental conditions.
Why Choose Our Thermocouple Connectors?
Since 2007, SUWAIE has been committed to delivering high-quality heating elements and thermocouple connectors for global heating systems. With a strong foundation in providing OEM & ODM services, we understand the challenges our customers face, including reliability, compliance, and the need for customized solutions. By choosing SUWAIE, you gain access to not only top-notch products but also expert guidance and a reliable partner in fulfilling your business needs.

FAQ
Is this connector compatible with other thermocouple types?
This connector is specifically designed for use with Type K thermocouples. However, we offer a range of connectors suitable for other thermocouple types. Please contact us for more information on compatible products.
Can I use solid or stranded thermocouple wires with this connector?
Absolutely! Our K type thermocouple connectors is designed to accept both stranded and solid thermocouple wires, offering flexibility depending on your specific application.
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