Allen-Bradley | ControlLogix | 1794-TBNF | Terminal Base Unit
The Allen-Bradley 1794-TBNF — a terminal base unit you will wish you had on the shelf when the old one fails. Easy Maintenance: Individual I/O modules can be replaced or swapped without affecting the entire system. | Usage: FLEX I/O | Configuration: Fused. Physical stock, not virtual inventory. Ships within 24 hours.
Technical Specifications
| Modular I/O Expansion | The 1794-TBNF allows for a flexible and scalable I/O system by enabling the addition of various I/O modules as needed. |
|---|---|
| Simplified Wiring | Provides a central location for field wiring connections, reducing wiring complexity. |
| Easy Maintenance | Individual I/O modules can be replaced or swapped without affecting the entire system. |
| Usage | FLEX I/O |
| Configuration | Fused |
| Number of Points | 16 |
| Wire Gauge Supported | 22 - 12 AWG |
| Maximum Current Rating | 10 Amps |
| Maximum Voltage Rating | 250 Volts AC/DC |
| Size | 11*9*7cm |
| Weight | 0.2kg |
| Manufacturer | Allen-Bradley |
| Model / SKU | 1794-TBNF |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Understanding the Allen-Bradley 1794-TBNF
If you maintain Allen-Bradley systems, you know that not all replacement parts are created equal. The 1794-TBNF is a terminal base unit engineered specifically for Allen-Bradley automation platforms. The aftermarket is flooded with modules that look identical on the outside but use inferior components internally. usage: FLEX I/O; configuration: Fused; number of points: 16. We have tested clone modules side-by-side with genuine Allen-Bradley units — the clones typically fail within 3–6 months in continuous industrial service, sometimes taking out the backplane with them.
Every 1794-TBNF we sell is 100% genuine Allen-Bradley, with the manufacturer serial number and holographic label intact. We source from authorized distribution channels and decommissioned system tear-downs with full traceability documentation.
Before inserting this module, power down the chassis completely. Allen-Bradley modules are generally not hot-swappable. Verify backplane voltage with a calibrated multimeter before insertion. After installation, power up and verify the status LED shows normal operation before returning the system to service. Run the manufacturer diagnostic routine if available.
Compatible Parts — Same System
These modules share the same system family as the 1794-TBNF. Commonly ordered together for complete rack builds or spare parts kits.
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