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Allen-Bradley 1794-TB3T FLEX I/O Terminal Base Unit

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Allen-Bradley 1794-TB3T

by Allen-Bradley

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OverviewThe Allen-Bradley 1794-TB3T is a high-performance FLEX I/O Terminal Base Unit, meticulously engineered to provide robust and precise connectivity for temperature modules. As a cornerstone for reliable temperature monitoring in industrial automation, this unit ensures optimal signal integrity for critical temperature inputs. Its thoughtful design, featuring a 3-wire screw termination with a secure cage clamp connection, guarantees stability and longevity even in demanding operational environments. Designed for seamless integration, the 1794-TB3T enhances the efficiency and accuracy of your temperature-sensitive applications, making it an indispensable component for modern industrial control systems.Key Features Specifically designed to interface flawlessly with FLEX I/O temperature input modules, ensuring accurate data acquisition. Provides reliable electrical connections for consistent performance in various industrial settings. Guarantees a firm and vibration-resistant wiring connection, minimizing the risk of signal loss and maintenance needs. Facilitates quick and secure integration into control panels, streamlining installation and reducing downtime. Built to withstand the rigors of industrial use, ensuring stable operation in temperature-sensitive applications. Designed to complement the modularity and space-saving benefits of the FLEX I/O platform. Technical Specifications Manufacturer: Allen-Bradley / Rockwell Automation Part Number: 1794-TB3T Product Type: Terminal Base Unit Wiring Type: 3-Wire Termination Style: Screw with Cage Clamp Mounting: DIN Rail Intended Use: Temperature module interface Compatible Modules: FLEX I/O thermocouple and RTD input modules Dimensions: 94 x 46 x 92 mm (H x W x D) Operating Temperature: -20°C to 50°C (-4°F to 122°F) Applications Precision Process Temperature Monitoring: Critical for maintaining optimal conditions in manufacturing and chemical processes. Advanced Industrial Automation Systems: Integrates seamlessly into complex control architectures for enhanced system performance. Accurate Furnace and Kiln Controls: Essential for precise temperature regulation in high-temperature industrial heating applications. HVAC and Climate Control Systems: Ensures accurate environmental control for comfort and process stability. Food and Pharmaceutical Processing: Crucial for adhering to strict temperature guidelines and ensuring product quality and safety. Energy Management Systems: Supports efficient energy consumption through accurate temperature data. Why ChooseThe 1794-TB3T guarantees precise signal integrity for all your temperature inputs, crucial for accurate data and reliable control. Its DIN rail mountability and user-friendly wiring design significantly cut down on installation time and effort, leading to faster deployment. The innovative cage clamp termination provides a remarkably strong and secure connection, effectively preventing wiring loosening, even in environments with high vibration. As part of the Allen-Bradley FLEX I/O family, this terminal base seamlessly integrates, leveraging the benefits of compact design and modularity for flexible system expansion. Built with Allen-Bradley's renowned quality, this unit contributes to the overall stability and longevity of your automation system, minimizing costly downtime.Order NowUpgrade your industrial control system with the Allen-Bradley 1794-TB3T FLEX I/O Terminal Base Unit. Contact us today or request a quote for pricing and availability. Our team is ready to assist you in selecting the ideal components for your specific automation needs.FAQWhat is the primary function of the Allen-Bradley 1794-TB3T?Its primary function is to provide a reliable and precise connection point for FLEX I/O temperature modules, ensuring accurate temperature data acquisition in industrial settings.What type of wiring termination does this unit use?The 1794-TB3T features a 3-wire screw termination with a secure cage clamp connection, designed for stable and long-lasting performance.Is the 1794-TB3T easy to install?Yes, its DIN rail mountability allows for quick and secure integration into control panels, streamlining installation processes.Which Allen-Bradley modules are compatible with this terminal base?It is specifically designed for use with FLEX I/O thermocouple and RTD input modules.In what types of environments can this terminal base operate effectively?It is built to deliver reliable performance in demanding industrial environments, supporting an operating temperature range of -20°C to 50°C (-4°F to 122°F).

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PRODUCT DETAILS

Allen-Bradley 1794-TB3T

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Manufacturer: Allen-Bradley / Rockwell Automation
  • Part Number: 1794-TB3T
  • Product Type: Terminal Base Unit
  • Wiring Type: 3-Wire
  • Termination Style: Screw with Cage Clamp
  • Mounting: DIN Rail
  • Intended Use: Temperature module interface
  • Compatible Modules: FLEX I/O thermocouple and RTD input modules
  • Dimensions: 94 x 46 x 92 mm (H x W x D)
  • Operating Temperature: -20°C to 50°C (-4°F to 122°F)

Applications

  • Precision Process Temperature Monitoring: Critical for maintaining optimal conditions in manufacturing and chemical processes.
  • Advanced Industrial Automation Systems: Integrates seamlessly into complex control architectures for enhanced system performance.
  • Accurate Furnace and Kiln Controls: Essential for precise temperature regulation in high-temperature industrial heating applications.
  • HVAC and Climate Control Systems: Ensures accurate environmental control for comfort and process stability.
  • Food and Pharmaceutical Processing: Crucial for adhering to strict temperature guidelines and ensuring product quality and safety.
  • Energy Management Systems: Supports efficient energy consumption through accurate temperature data.

Why Choose the 1794-TB3T?

The 1794-TB3T guarantees precise signal integrity for all your temperature inputs, crucial for accurate data and reliable control. Its DIN rail mountability and user-friendly wiring design significantly cut down on installation time and effort, leading to faster deployment. The innovative cage clamp termination provides a remarkably strong and secure connection, effectively preventing wiring loosening, even in environments with high vibration. As part of the Allen-Bradley FLEX I/O family, this terminal base seamlessly integrates, leveraging the benefits of compact design and modularity for flexible system expansion. Built with Allen-Bradley's renowned quality, this unit contributes to the overall stability and longevity of your automation system, minimizing costly downtime.

Availability & Shipping

  • In stock: 1794-TB3T ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1794-TB3T ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Its primary function is to provide a reliable and precise connection point for FLEX I/O temperature modules, ensuring accurate temperature data acquisition in industrial settings.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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