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Allen Bradley FLEX Ex 1797-TB3

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1797-TB3

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The 1797-TB3 from Allen Bradley is a terminal base unit belonging to the FLEX Ex series, designed for efficient terminal management. This unit accommodates 52 terminals and offers robust performance in varied environmental conditions.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1797-TB3

ManufacturerAllen Bradley
Product TypeTerminal Base Unit
Product LineFLEX Ex
Part Number1797-TB3
UPC612598172917
Weight3.00 lbs (1.36 kg)
Number of Terminals52 terminals (1 row of 16 terminals and 2 rows of 18 terminals)
Terminal Screw Torque0.8 to 1 N-m
Isolation Voltage TypeChannel-to-channel isolation (depending on the inserted module)
Operating Temperature-20 to 70°C
Storage Temperature-40 to 85°C
Non-Condensing Humidity5 to 95%
Flexbus Connection RatingLess than 10 Volts DC
Operational Shock15 G at 11 milliseconds
Operational Vibration2 G at 10 to 500 Hertz
Mounting OptionDIN Rail
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The Allen Bradley 1797-TB3 terminal base unit serves as an integral component within the FLEX Ex series. Configured with a total of 52 terminals, it ensures ample connection options with a layout consisting of one row of 16 terminals and two rows of 18 terminals each. This terminal base supports a required screw torque between 0.8 and 1 N-m for secure terminal connections.

Isolation capabilities allow for channel-to-channel voltage segregation, contingent on the specific modules used, effectively enhancing the unit's operational integrity. Weighing approximately 200 grams, the unit maintains a compact design while accommodating flexibility in wiring setups. With installed dimensions of 3.7 inches in width, 3.7 inches in length, and 2.7 inches in height, it fits comfortably into various installation spaces.

The product operates efficiently within a temperature range of -20 to 70 degrees Celsius while providing storage capabilities at temperatures between -40 to 85 degrees Celsius. Its non-condensing humidity resistance spans from 5% to 95%, making it suitable for diverse environments. The Flexbus connection is rated at less than 10 Volts DC, ensuring safe compatibility with connected devices.

This terminal base demonstrated resilience against operational shocks up to 15 G for a duration of 11 milliseconds. Additionally, it can withstand vibrations up to 2 G within a frequency range of 10 to 500 Hertz. Mounting is facilitated via DIN rail configurations, further supporting its deployment in various applications.