Frequently Bought Together

Thermocouple DIN Rail Connector

In thermocouple circuits the wires of the thermocouple are connected to extension wires. This is exactly the application for thermocouple terminal blocks.

Extension wires are made of materials which have the same EMF characteristics as the thermocouples. The current carrying parts in these thermocouple terminal blocks are made up of materials matching the composition of the extension wires.

The thermocouple terminal block pair is clearly marked on the top with an indication of the material on the metal bars. The insulating housing is made of unbreakable polyamide 6,6 and has the universal footing for mounting on all EM/DIN rails. These blocks allow the terminals to be integrated in a panel mounting or other rail layout.

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Cut Sheets
Technical Information
Resources

Cut Sheets

DIN Rail Connector
File Size: 94.13kb

Thermocouple Type Material & Color Code
Insulator Material

Thermocouple Type	Material	Magnetic	ASTM Color Coding	IEC Color Coding
J	Iron Constantan	Yes No	White Red	White Black
T	Copper Constantan	No No	Blue Red	White Brown
K	Chromel Alumel	No No	Yellow Red	White Green
E	Chromel/Constantan	No No	Purple Red	White Violet
P	Platinel	N/A	N/A	N/A
S	Platinum 10% Rhodium Pure Platinum	No No	Black Red	White Orange
R	Platinum 13% Rhodium Pure Platinum	No No	Black Red	white Orange
B	Platinum 30% Rhodium Platinum 6% Rhodium	No No	Grey Red	White Grey
N	Nicrosil/Nisil	No Slightly	Orange Red	White Pink
C	Tungsten 5% Rhenium/ Tungsten 26% Rhenium	No No	White Red	N/A

Material	Description	Used With	Maximum Temperature
Alumina	Aluminum Oxide Ceramic	Noble Metal Thermocouples	3400°F (1870°C)
Mullite	Alumina and Silica (Silicon Carbide)	Base Metal Thermocouples	3100°F (1700°C)

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