Allen-Bradley 1794-TBN Terminal Base Unit
The Allen-Bradley 1794-TBN is a highly reliable Terminal Base Unit engineered specifically for the Allen-Bradley Flex I/O system. It provides the essential physical terminal connections and backplane interface required to support your Flex I/O modules. Designed for industrial durability and ease of use, this unit features secure screw terminals for robust wiring connections and mounts effortlessly onto a standard DIN rail for streamlined installation. It delivers strong performance with a terminal block rating of 230V AC at 10A and a FlexBus power rating of 5V DC at 640mA. Built to meet stringent safety standards, the 1794-TBN is UL Listed, CSA approved, CE marked, and rated for use in Class I, Division 2 (Groups A, B, C, D) hazardous locations with a T6 temperature code.
Technical Specifications:
- Brand: Allen-Bradley
- Model/Catalog Number: 1794-TBN
- System Compatibility: Flex I/O System
- Terminal Block Rating: 230V AC, 10A
- FlexBus Power Rating: 5V DC, 640mA
- Connection Type: Screw Terminals
- Mounting: DIN Rail
- Hazardous Location Rating: Class I, Division 2, Groups A, B, C, D (Temp Code T6)
- Certifications: UL Listed (A197), CSA, CE
- Country of Origin: Made in U.S.A.

| Brand | Allen-Bradley |
|---|---|
| Model | 1794-TBN |
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Shipping policy
If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Allen-Bradley 1794-TBN Terminal Base Unit
Optimize your industrial automation with the Allen-Bradley 1794-TBN Flex I/O Terminal Base Unit. This genuine USA-made module features secure screw terminals, easy DIN rail mounting, a 230VAC/10A capacity, and Class I Div 2 hazardous location certification for maximum safety and reliability.

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