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1794-TB3T | Allen Bradley | Terminal Base

  • Brand/ Manufacturer:

    Allen Bradley
  • Dimensions:

    10.2 cm x 5.1 cm x 7.6 cm
  • Weight:

  • Country of Origin: :

    United States
  • Description:

    Terminal Base for Thermocouple Input

Mfr. Part Number:



         Allen-Bradley / Rockwell Automation


Allen-Bradley 1794-TB3T Flex I/O Terminal Base for Temperature Modules 3-Wire

Full Description:

Allen-Bradley 1794-TB3T Flex I/O Terminal Base unit for Temperature Modules, 3-Wire 

screw, Cage Clamp

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The 1794-TB3T terminal base is an Allen-Bradley/Rockwell Automation terminal base unit from the Flex I/O 1794 series. It can host the wiring connections for various Flex I/O 1794 input and output modules.

The 1794-TB3T terminal base unit has a rated terminal screw torque of 5 to 7 pounds on an inch. It has an open type of enclosure, which means that it is susceptible to damage from debris or liquids if it is not protected by an external enclosure. The 1794-TB3T terminal base unit operates at -4 to 158 degrees Fahrenheit and it can be stored at -40 to 185 degrees Fahrenheit.

The 1794-TB3T Flex I/O Temperature Module by Allen-Bradley is a terminal base unit module which provides a backplane connection to I/O modules and comes with 2 sets of cold-junction compensation Connections for use with any Allen-Bradley Flex I/O temperature modules. 

The 1794-TB3T uses the cage clamp termination method for I/O terminations and can make a maximum of 16 I/O connections. It has 6 common terminals, 4 voltage terminals, 8 chassis ground terminals, and 2 sets of CJC with 6 terminals for temperature modules. The 1794-TB3T is used in applications with 132V AC and 156V DC electrical ratings, and its maximum current capacity is 10 A.


Rockwell Automation



Part Number/Catalog No.




Module Type

Analog Output Module


4 Single Ended

Data Format

Signed Integer

External DC Supply Current

220 mA

Output Signal Range

4 to 20 mA, 0 to 20 mA

Output Resolution

16 bits across 0 to 21 mA

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