A Type J Thermocouple Plug is a specialized connector used to link thermocouple sensors to devices with thermocouple jack inputs. It is designed for temperature measurement in a wide range of industrial, scientific, and laboratory applications. The plug connects to Type J thermocouples, which are commonly used for temperature sensing in environments where a medium to high temperature range is required. The plug ensures accurate readings by providing a stable and reliable electrical connection.
Product Parameters
|
Order code |
Description |
Calibration |
Material of Pins |
Material of Body |
Max. temperature |
Color (ANSI) |
|
|
Positive (+) |
Negtive (-) |
||||||
|
SW-M09-K |
Male+Female |
Type K |
NiCr |
NiAl |
Thermoplastic |
220℃ |
Yellow |
|
SW-M09-K-M |
Male |
Type K |
NiCr |
NiAl |
Thermoplastic |
220℃ |
Yellow |
|
SW-M09-K-F |
Female |
Type K |
NiCr |
NiAl |
Thermoplastic |
220℃ |
Yellow |
|
SW-M09-J |
Male+Female |
Type J |
Fe |
CuNi |
Thermoplastic |
220℃ |
Black |
|
SW-M09-J-M |
Male |
Type J |
Fe |
CuNi |
Thermoplastic |
220℃ |
Black |
|
SW-M09-J-F |
Female |
Type J |
Fe |
CuNi |
Thermoplastic |
220℃ |
Black |
|
SW-M09-T |
Male+Female |
Type T |
Cu |
CuNi |
Thermoplastic |
220℃ |
Blue |
|
SW-M09-T-M |
Male |
Type T |
Cu |
CuNi |
Thermoplastic |
220℃ |
Blue |
|
SW-M09-T-F |
Female |
Type T |
Cu |
CuNi |
Thermoplastic |
220℃ |
Blue |
|
SW-M09-E |
Male+Female |
Type E |
NiCr |
CuNi |
Thermoplastic |
220℃ |
Violet |
|
SW-M09-E-M |
Male |
Type E |
NiCr |
CuNi |
Thermoplastic |
220℃ |
Violet |
|
SW-M09-E-F |
Female |
Type E |
NiCr |
CuNi |
Thermoplastic |
220℃ |
Violet |
|
SW-M09-N |
Male+Female |
Type N |
NiCrSi |
NiSiMg |
Thermoplastic |
220℃ |
Orange |
|
SW-M09-N-M |
Male |
Type N |
NiCrSi |
NiSiMg |
Thermoplastic |
220℃ |
Orange |
|
SW-M09-N-F |
Female |
Type N |
NiCrSi |
NiSiMg |
Thermoplastic |
220℃ |
Orange |
|
SW-M09-S |
Male+Female |
Type S |
Cu |
CuNi |
Thermoplastic |
220℃ |
Green |
|
SW-M09-S-M |
Male |
Type S |
Cu |
CuNi |
Thermoplastic |
220℃ |
Green |
|
SW-M09-S-F |
Female |
Type S |
Cu |
CuNi |
Thermoplastic |
220℃ |
Green |

Key Features of the Type J Thermocouple Plug
The Type J Thermocouple Plug is designed to connect thermocouple sensors to devices with thermocouple jack inputs. Here are some of its most important features:
- Temperature Range: This thermocouple plug is capable of handling temperatures from -58°F to 410°F (-50°C to +210°C), making it suitable for a wide range of industrial and scientific applications.
- Thermocouple Connector Types: Available in various thermocouple connector types including Type J, Type T, and Type K, each suited for different temperature ranges and materials. The Type J Thermocouple Plug is color-coded black for easy identification.
- Polarized Pins: The pins are polarized to ensure proper connection, avoiding potential issues with incorrect wiring. The polarized connector body further guarantees correct alignment during installation.
- Wire Compatibility: It accommodates wire diameters up to 22 AWG (0.025" D), making it versatile enough for different wiring configurations.
- Durability and Reliability: With its high-quality materials and construction, this Type J Thermocouple Plug is built to last in demanding environments. The connector's design ensures a stable, accurate connection, which is crucial for temperature measurement accuracy.
- Easy-to-Use Design: The compact and ergonomic design of the plug allows for easy handling and installation, ensuring a hassle-free experience during setup.
Furthermore, when choosing a J-type thermocouple plug, each size has its own advantages, so it is important to understand how the different sizes can meet various application needs.

European Standard Small Size
The European Standard Small Size thermocouple plug is designed for applications that require a compact solution. Such as small industrial systems, temperature sensors in tight spots, or laboratory devices with minimal space for connectors. Despite its smaller size, this plug maintains reliable performance and secure connections, making it a suitable option for precise temperature monitoring where minimal physical footprint is required.
Japanese Standard Small Size
The Japanese Standard Small Size offers a slightly larger form compared to the European version This size is commonly used in Japanese industrial equipment and electronics, where moderate space is available. It is well-suited for applications where a little more robustness is needed without compromising on space-saving features. The Japanese Standard Small Size plug is an excellent choice for moderate to high-temperature industrial applications, as it ensures solid connections even in more demanding environments.
International Standard Big Size
For customers who require greater durability and flexibility, the International Standard Large Size Thermocouple Plug is the best solution.With a larger pin distance and more substantial build,this size is ideal for high-precision temperature monitoring in large machinery, industrial systems, or laboratory setups where equipment needs to accommodate thicker wires (up to 22 AWG) and higher currents. The increased size provides a more secure and stable connection, ensuring reliable performance in environments that demand high accuracy and durability.
Thermal Resistance 3-Pins
For specialized applications that require both temperature and resistance monitoring, the Thermal Resistance 3-Pins configuration offers unique functionality. This variant includes a third pin dedicated specifically to measuring thermal resistance, allowing users to gather more detailed data in systems that require simultaneous monitoring of temperature and resistance. It is ideal for advanced industrial processes or scientific experiments where high precision and advanced data collection are essential.
Each of these sizes serves distinct needs, from compact installations to heavy-duty industrial systems. By choosing the right Type J Thermocouple Plug size, you can ensure that your temperature measurement systems operate with accuracy and efficiency. Whether you need a small connector for tight spaces or a larger, more robust solution for high-performance environments, understanding the advantages of each size will help you make the best choice for your specific application.
Product Applications
This Type J Thermocouple Plug is ideal for a variety of industrial and scientific settings, including but not limited to:
Temperature Monitoring: Commonly used in temperature sensors for industrial equipment, HVAC systems, and scientific experiments.
Manufacturing: Perfect for high-precision temperature measurement in manufacturing processes.
Laboratory Equipment: Ideal for connecting thermocouple sensors to lab instruments.
Automation Systems: Works well in automation systems where accurate temperature feedback is required.
Why Choose Us
SUWAIE as an experienced manufacturer of high-quality heating elements and thermocouple connectors, we are committed to providing you with reliable products that meet international standards. With our Type J Thermocouple Plug, you can count on:
- Precision & Reliability: We focus on ensuring that each connector delivers accurate performance, ensuring your systems work smoothly.
- Custom Solutions: Whether you're looking for specific customizations or need a tailored solution, we are equipped to meet your exact specifications.
- On-time Delivery: We understand the importance of deadlines and ensure that all orders are delivered on time, no matter the size.

Ready to Purchase Your Type J Thermocouple Plug?
If you looking for a high-performance Type J Thermocouple Plug for your temperature measurement applications? We're here to help! Contact us today (info@suwaie.com) to obtain a competitive quote and discuss your requirements. Our dedicated team will work with you to ensure you get the best thermocouple connector.
FAQ
What are the advantages of using a Type J Thermocouple Plug over other thermocouple types?
In applications involving moderate temperatures, Type J thermocouple plugs are cost-effective compared to other types of thermocouples, such as Type K or Type T, and provide excellent temperature reading accuracy over the specified range. It also features polarized pins and a polarized connector body, ensuring correct installation and minimizing connection errors, making it easier and more reliable to use in industrial and scientific settings.
How do I select the right thermocouple connector type for my application?
When choosing a thermocouple connector, it's important to match the thermocouple type to the temperature range and materials used in your application. Type J thermocouples are well-suited for temperatures up to 410°F (210°C) and are commonly used for metal processing and general temperature measurement. For higher temperatures or more specific material compatibility, Type K or Type T might be more appropriate. Our product range includes all thermocouple connector types, and we can help guide you in selecting the right one based on your needs.
What is the maximum wire size that can be used with the Type J Thermocouple Plug?
The Type J Thermocouple Plug is compatible with thermocouple wires up to 22 AWG (0.025" diameter). It's designed to accommodate a wide range of wire sizes, providing versatility in installation and ensuring secure connections for various applications. If you need help selecting the right wire or connector for your setup, feel free to contact our support team for personalized assistance.
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