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Allen-Bradley 1794-TB3

Allen-Bradley 1794-TB3

Yueyang Tongtu supplies the Allen-Bradley 1794-TB3 FLEX I O Terminal Base for industrial automation system maintenance, module replacement, and spare parts procurement. The 1794 TB3 is a terminal base used with compatible Allen Bradley FLEX I O modules, providing the field wiring connection between the I O module and external devices.
Rated current: 640mA @ 5VDC
Rated voltage: 120VAC
Maximum current: 10A
Dimensions: 94mm x 94mm x 69mm

As an industrial automation parts supplier, Yueyang Tongtu specializes in supplying Allen-Bradley 1794-TB3, PLC, DCS, I O modules, communication components, human machine interfaces, and other automation system spare parts from major international brands. The company maintains inventory of new, surplus, discontinued, and legacy automation components for customers who need replacement hardware for existing control systems.

Key features

Appearance Design

The Allen-Bradley 1794-TB3 features a compact green terminal base housing designed for industrial control environments. The housing uses durable plastic materials with stable mechanical properties for long-term installation applications.

The front section includes module connection sockets and locking components for FLEX I/O module installation. Red locking handles are located on both sides of the base for DIN rail mounting and module identification. The wiring terminals are arranged on the lower and side sections with clear terminal markings for field connection.

Allen-Bradley 1794-TB3 

Structural Design

The 1794-TB3 functions as the connection base between FLEX I/O modules and the automation system. When an I/O module is installed, the module pins connect directly with the terminal base interface to establish electrical communication.

The internal bus structure supports signal and power distribution between connected components. The terminal base design reduces additional wiring requirements and provides a standardized connection method for FLEX I/O system configurations.

Industrial Applications

The Allen-Bradley 1794-TB3 can be used in industrial automation systems incorporating compatible FLEX I O modules.

Typical applications include:

· PLC control system maintenance

· Distributed I O system maintenance

· Industrial control cabinets

· Factory automation equipment

· Process control systems

· Production line maintenance

· Control system refurbishment

· Legacy automation system maintenance

· Automation spare parts inventory

For existing installations, the terminal base can be useful when a maintenance team needs to replace an individual FLEX I O component without carrying out extensive field rewiring.

Installation and Connection

The Allen-Bradley 1794-TB3 is installed on DIN rails as part of an Allen Bradley FLEX I/O system. Compatible I/O modules are mounted directly onto the terminal base, while field devices are connected through the designated wiring terminals.

The modular connection design allows I/O modules to be installed, removed, or replaced while maintaining the existing field wiring arrangement.

Why Choose us

Yueyang Tongtu E-commerce Co., Ltd. supplies industrial automation components and spare parts for PLC, DCS, I/O modules, communication modules, and control system hardware.

The supply range covers automation brands including Allen Bradley, Siemens, Honeywell, ABB, GE Fanuc, ICS Triplex, Foxboro, Yokogawa, Schneider, and other industrial control system manufacturers.

Products include new, surplus, discontinued, and legacy automation components for equipment maintenance, system replacement, and industrial project support.

Our product portfolio covers leading brands including Siemens, Allen-Bradley, Honeywell, ABB, Emerson, Foxboro, Yokogawa, Schneider Electric, GE Fanuc, Bently Nevada, ICS Triplex, Triconex, HIMA, Woodward, and ProSoft.

Frequently Asked Questions

What is the Allen Bradley 1794 TB3?

The Allen-Bradley 1794-TB3 is a FLEX I O terminal base used to provide field wiring connections for compatible FLEX I O modules.

Is the 1794 TB3 an I O module?

No. The 1794 TB3 is a terminal base, not an I O signal module. It provides the physical connection interface for the compatible FLEX I O module.

Can the 1794 TB3 be used as a replacement part?

Yes. It can be supplied as a replacement or spare part for compatible FLEX I O systems. The existing module and system configuration should be checked before purchase.

Does Yueyang Tongtu manufacture Allen-Bradley 1794-TB3?

No. Yueyang Tongtu is an industrial automation parts supplier and distributor. The company supplies Allen Bradley spare parts and other automation components but does not manufacture Allen Bradley products.

Can Yueyang Tongtu supply discontinued Allen Bradley parts?

Yes. Yueyang Tongtu specializes in supplying new, surplus, discontinued, and legacy automation components. Customers can provide the required part number for availability and condition confirmation.

 

 

Send Inquiry
Contact Info

Need an urgent price quote or stock confirmation for hard-to-find PLC or DCS components? Fill out our quick inquiry form below with your target part numbers, required quantities, and project timeline. Our sales engineering team monitors all inquiries 24/7 and will deliver a detailed commercial quote within 30 minutes.

We specialize in sourcing rare, allocated, and obsolete automation hardware that standard commercial channels cannot supply. Provide us with your exact model specifications—such as Allen-Bradley 1756-L73, Siemens 6ES7, or Honeywell 51402573-100—and our team will immediately scan our global inventory network to find your parts.

At Yueyang Tongtu, we make component procurement fast and stress-free. Submit your RFQ today to benefit from our factory-direct pricing, guaranteed original hardware, and fast global express delivery options.

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