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Thermocouple Connectors and RTD Connectors

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What are Thermocouple Connectors?

Thermocouple connectors provide a secure and reliable way to join thermocouple sensors to extension cables or instrumentation, preserving thermoelectric continuity across connections. Engineered to match thermocouple alloys and minimise thermal EMF errors at junction points, our connectors are available in miniature and standard sizes, with material options to suit a wide range of applications.

Sizes Available: Miniature and Standard
Body Materials:
- Thermoplastic (up to 220°C or 350°C)
- Ceramic (up to 650°C)
Thermocouple Compatibility: Type K, J, T, N, R, S, E thermocouples
Key Features:
- Polarized pins to prevent incorrect connections
- Color-coded, letter designated bodies for easy identification
- Wide range of accessories for secure installation

Did you know?

We are Europe's largest manufacturer of miniature and standard thermocouple and RTD connectors, offering a vast selection of styles for every application.

Our extensive range of connectors, accessories and panels is available for immediate despatch, ensuring fast delivery when you need it most.

Miniature Thermocouple Connectors

Miniature thermocouple connectors are smaller and feature flat pins for efficient connection.

Best for: Compact applications requiring precision
Available options:
- Plug and socket pairs
- Panel sockets and 3-pin versions
- Weatherproof neoprene boots for moisture protection
- Anodized aluminium panels for organised mounting

More details: Miniature Thermocouple Connectors →

Standard Thermocouple Connectors

Standard thermocouple connectors use round pins and are built for industrial environments.

Best for: Rugged applications requiring durability
Available options:
- Plug and socket pairs
- Panel sockets and 3-pin versions
- High-temperature ceramic options (up to 650°C)
- Cable clamps and weatherproof boots for added protection

More details: Standard Thermocouple Connectors →

Why Choose our Thermocouple Connectors?

Largest Manufacturer in Europe: Wide selection, most products in stock
All Thermocouple Types Available: Type K, J, T, N, R, S and E plus Cu for use with RTD's and other sensors
Precision: High-purity alloys ensure error-free voltage signals
Standards Compliance: IEC, ANSI, DIN, JIS color codes available and manufactured in accordance with EN 50212
Comprehensive Range of Accessories: Grommets, clamps, tube adaptors, brackets, and protection boots
Compatibility: Pin compatible with other miniature and standard sized systems

Explore Accessories & Other Connectors

We offer a wide range of accessories and specialized connectors to meet your needs:

Need Help? Contact our engineers for expert advice on selecting the right accessories or connectors for your project.

📞 **Call 01895 252222** | 💬 **Live Chat Available**

Miniature Thermocouple Connector Products

Miniature Connectors
220ºC Rated Miniature Thermocouple Connectors 220ºC rated

A wide range of miniature connector styles and accessories made from Thermoplastic rated to 220ºC. These popular connectors are suitable for stranded or solid wires up to 0.8mm diameter (0.5mm²) Miniature Connectors
350ºC Rated Miniature Thermocouple Connectors 350ºC rated

Miniature Thermocouple Connectors 350ºC rated

A new range of miniature connectors and accessories made from a Thermosetting plastic rated to 350ºC. These high temperature connectors are suitable for stranded or solid wires up to 0.8mm diameter (0.5mm²) Miniature Connectors
650ºC Rated Miniature Thermocouple Connectors 650ºC rated

Miniature Thermocouple Connectors 650ºC rated

A range of miniature ceramic connectors and accessories rated to 650ºC. These high temperature connectors are an excellent choice for elevated temperatures and are suitable for wires up to 0.8mm diameter (0.5mm²) Miniature Connector
Accessories

A range of accessories for our mini connectors, including: cable clamps, crimp inserts, grommets, adaptors etc. Miniature Connector
Panels

Anodised Aluminium and Stainless Steel panels in a choice of styles and configurations for use with our range of panel mounting connectors

Standard Thermocouple Connector Products

Standard Connectors
220ºC Rated Standard Thermocouple Connectors 220ºC rated

A wide range of standard connector styles and accessories made from Thermoplastic rated to 220ºC. These popular connectors are suitable for stranded or solid wires up to 1.63mm diameter (2.1mm²) Standard Connectors
350ºC Rated Standard Thermocouple Connectors 350ºC rated

Standard Thermocouple Connectors 350ºC rated

A new range of standard connectors and accessories made from a Thermosetting plastic rated to 350ºC. These high temperature connectors are suitable for stranded or solid wires up to 1.63mm diameter (2.1mm²) Standard Connectors
650ºC Rated Standard Thermocouple Connectors 650ºC rated

Standard Thermocouple Connectors 650ºC rated

A range of standard ceramic connectors and accessories rated to 650ºC. These high temperature connectors are an excellent choice for elevated temperatures and are suitable for wires up to 1.63mm diameter (2.1mm²) Standard Connector
Accessories

A range of accessories for our standard connectors, including: cable clamps, crimp inserts, grommets, adaptors etc. Standard Connector
Panels

Anodised Aluminium and Stainless Steel panels in a choice of styles and configurations for use with our range of panel mounting connectors Other Thermocouple & RTD Connector Systems

A range of specialist connectors such as 6-way, DIN Rail Mounting, Terminal Strips and more

Popular Thermocouple Connectors

Miniature
Thermocouple Plug

Part Code: F11 Miniature
Thermocouple Socket

Part Code: F20 Miniature Panel Socket - Rectangle Flanged & Bracket

Part Code: F29 Miniature Panel Socket - Lugged - Closed Back

Part Code: F30 Standard
Thermocouple Plug

Part Code: R11 Standard
Thermocouple Socket

Part Code: R20

Frequently Asked Questions

What are thermocouple connectors used for?
Thermocouple connectors are used to ensure accurate temperature measurements by providing a secure and reliable connection between thermocouple sensors and instrumentation using connectors with thermocouple alloy contacts.
What types of thermocouple connectors do you offer?
We offer a full range of thermocouple connectors, including Miniature and Standard sizes, with temperature ratings of 220ºC, 350ºC, and 650ºC. We also provide accessories, panels, and mounting solutions.
What is the difference between Miniature and Standard Thermocouple Connectors?
Miniature thermocouple connectors have flat polarised pins and are smaller in size, whereas Standard connectors have polarised round pins and a slightly larger body. The choice depends on application requirements and existing instrumentation compatibility.
How do I choose the right thermocouple connector for my application?
Connector selection depends on factors such as thermocouple type (K, J, T, N, etc.), temperature rating, pin configuration (miniature or standard), and environmental conditions. Our engineers can assist in finding the best fit for your needs.
Are your thermocouple connectors compatible with all thermocouple types?
Yes, our connectors are available for all standard thermocouple types, including K, J, T, N, R, S, B, and E, and are manufactured with high-purity thermocouple alloys to maintain measurement accuracy and are pin compatible with other manufacturers' connectors.
What temperature ratings are available for your connectors?
Our thermocouple connectors are available in 220ºC, 350ºC, and high-temperature 650ºC rated versions to suit a variety of industrial applications.
Do your connectors follow industry color codes?
Yes, we manufacture thermocouple connectors in IEC, ANSI, DIN, and JIS colour codes for easy identification of thermocouple type.
What is the best way to mount thermocouple connectors in a control panel?
We offer a wide range of Aluminium and Stainless Steel mounting panels, as well as several different styles of panel sockets as well as PCB-mount connectors for seamless integration into control systems.