Rated 4.3 with 20 reviews


Revisions: Ser A

Description:   The Allen-Bradley 1794-TB3 Flex I/O Terminal Base Unit has a 0.56-0.79 Nm Terminal Screw Torque, a 125V DC/AC, 50/60Hz, 10A Supply Voltage Range max., and a 125V Continuous Isolation Voltage. It also operates with a 0.34-3.3mm^2 Wire Size and a 94x94x69 mm Dimensions.

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Warranty: 1 year DO Supply Warranty Included
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About 1794-TB3

The 1794-TB3 Flex I/O Terminal Base Unit by Allen-Bradley is a device which provides terminal connection points for I/O wiring and contributes to the formation of the backplane. It has a maximum of 16 I/O connections with 18 common terminals and 18 voltage terminals. The 1794-TB3 is used in an application with a 125V AC/DC electrical rating and it has a maximum current capacity of 10A with 0.21 x 1.3 mm2 (24-16 AWG) stranded copper wire intended for use with input and output modules. The 1794-TB3 has a Flexbus rating of 5V DC at 640mA and it supplies a 2A current to the I/O terminals. It also has V/COM Terminals ratings of 125V DC/AC and 10A at 50-60Hz. 
The 1794-TB3 provides voltage isolation of 125V (continuous) using Basic Insulation Type between Field Wiring Terminals to FLEXBUS and it has a terminal screw torque of 0.56 x 0.79 Nm (5 x 7lb-in). It has a T4A (North America) designated temperature code and an IEC T4 temperature code. The 1794-TB3 has an IEC-rated operational temperature of -20-70 °C (-4-158 °F) at 5-95% non-condensing relative humidity and it is tested and rated to withstand an operational shock of 30G and a vibration of 5G at 10-500Hz. The 1794-TB3 is c-UL-us, UL, CSA, and CE-certified and has a dimension 94mm x 94mm x 69mm (3.7in x 3.7in x 2.7in).

Technical specifications:

Part Number:1794-TB3
Product Type:Flex I/O Terminal Base Unit
Terminal Screw Torque:0.56-0.79 Nm
Supply Voltage Range max.:125V DC/AC, 50/60Hz, 10A
Isolation Voltage:125V Continuous
Voltage Rating:24V DC/AC, 120V DC/AC
Wire Size:0.34-3.3mm^2
Dimensions:94x94x69 mm

Please refer to the manual for more information about the 1794-TB3 such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part # Also Known as Availability
1794-TB3 Ser A
1794-TB3/A, Series A, Rev A Request Quote

Common misspellings: 1794TB3
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