Allen-Bradley 1794-TBNF Flex I/O Terminal Base Unit
Allen-Bradley 1794-TBNF Flex I/O Terminal Base Unit
The Allen-Bradley 1794-TBNF is a fused terminal base unit from the Flex I/O distributed I/O platform. It provides signal and power termination and is rated for 640 mA @ 5VDC backplane current draw. It features two strips of screw clamp terminals, supporting wire sizes from 0.34-3.3mm² (22-12 AWG). The unit has a maximum supply voltage of 250V DC/AC at 50/60Hz and a current rating of 10A, with an isolation voltage of 250V continuous max.
This terminal base is designed for in-cabinet use and is compatible with various Flex I/O output modules such as the 1794-OA8, 1794-OA8I, 1794-OW8, and 1794-OW8XT. It is ideal for applications requiring reliable signal and power distribution within industrial automation systems, including manufacturing, process control, and material handling.
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| Product Type | Terminal Base Unit |
| Product Line | Flex I/O 1794 |
| Part Number | 1794-TBNF |
| Terminal Screw Torque | 1.4 Nm |
| Supply Voltage Range max. | 250V DC/AC, 50/60Hz, 10A |
| Isolation Voltage | 250V Cotinuous max. |
| Wire Size | 0.34-3.3mm^3 |
| Current rating | 10 Amperes |
| Voltage Rating | 24V DC/AC, 120V DC/AC, 230V DC/AC |
| Backplane current draw | 640 mA @ 5VDC |
| Operating Temperature | -20…55 °C |