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1794-TB3 Flex I/O

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Allen Bradley
1794-TB3 Refurbished
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 Product Description

Terminal Base, 3-Wire, Cage Clamp 1794 FLEX I/O

 Warranty Information

All Refurbished products come with a 1-Year Automation Webstore Warranty.

 Product Overview

The 1794-TB3 is a terminal base intended for use with Flex IO modules. This terminal base has North American and European Hazardous Location Approval for Zone 2 process areas. This unit is a cage clamp terminal base, compatible for working voltage and isolation voltage ratings of categories 24 VAC / VDC and 120 VAC / VDC. Appropriate wire size for this module is 0.34 to 3.3 mm² or 22…12 AWG solid or stranded copper wire rated at 75 °C or 167 °F or greater. Maximum insulation of 1.2 mm (3/64 in.) Observe proper splicing and stripping. Wire strip length should be 5-6 mm or 0.20 to 0.24 in. to avoid exposed conductors. This terminal base has c-UL-us, CSA and Ce certifications.

Terminal bases provide DIN rail or mounting plate holes, Flex IO locking mechanism and wiring terminal for both signal and power wiring. It has a dimension of 94 x 94 x 69 mm (HxWxD) or 3.7 x 3.7 x 2.7 in. This measurement already includes the Flex IO module.

The 1794-TB3 multiple parts include Female Flexbus connector, Terminal base unit, Male Flexbus connector, Keyswitch, Mounting holes, I/O and power terminals, Locking tab and Lock latch.

This Terminal base has Three (3) groups of terminal stirps. Group A consists of terminals 0 - 15, Group B for terminals 16 - 33 and Group C has terminals 34 - 51. This terminal provides power connections. Voltage common terminals are assigned at terminals 16 and 33 while Positive Voltage terminal are located at terminal 34 and 51. For daisy chaining, Supply in positive is at terminal 34 while negative is at terminal 16. Supply out positive is at terminal 51 and terminal 33 is the negative partner terminal.VIIIVThe 1794-TB3 is a Flex IO Terminal base. This component is a cage clamp terminal base that is used with Flex IO modules. This terminal base provides DIN rail attachment, Module locking mechanism and terminals for Input and Power wiring.

 Product Specifications

Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Product Description: Flex IO Terminal Base
Part Number: 1794-TB3
Supply Voltage range: 125V DC/AC
Input frequency range: 50/60Hz
Working Voltage / Isolation Voltage: 24 VAC / VDC and 120 VAC / VDC.
Terminal Screw Torque: 1.4 Nm
Isolation Voltage: 125V (continuous) maximum, Basic Insulation Type, Field Wiring Terminals to FLEXBUS, or the lesser of the installed module
Enclosure rating: None (open-style)
Operating Temperature: -20…55 °C
Relative Humidity: 5…95% noncondensing
Vibration: 5 g @ 10…500 Hz
Operating Shock: 30 g
stockLevelRefurbished: 204
stockLevelNewSurplus: 32

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