The Allen-Bradley 1794-TBN terminal base is a cornerstone component for the Flex I/O system, providing a robust and flexible interface for connecting field wiring to I/O modules. Engineered for high-density applications, the 1794-TBN supports up to 16 I/O points per base, with a compact design that optimizes panel space. Its screw-clamp terminals ensure secure and vibration-resistant connections, while the base’s IP20 rating protects against dust and accidental contact. This terminal base is fully compatible with all 1794 series analog and digital modules, making it a versatile choice for process control, manufacturing, and automation systems. With a wide operating temperature range and compliance with global standards, the 1794-TBN delivers long-term reliability in demanding industrial settings.
| Parameter |
Specification |
| Product Type |
Terminal Base Unit |
| Series |
Flex I/O (1794 Series) |
| Number of I/O Points Supported |
16 (maximum) |
| Termination Style |
Screw-clamp terminals, spring-clamp optional (standard models) |
| Wire Size Range |
0.5 mm² to 2.5 mm² (AWG 22 to 14) |
| Rated Voltage |
24V DC (AC models: 120/240V AC via module) |
| Rated Current |
10 A per terminal (maximum) |
| Protection Rating |
IP20 (NEMA 1 equivalent) |
| Operating Temperature |
-20°C to +60°C (-4°F to +140°F) |
| Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
| Relative Humidity |
5% to 95% (non-condensing) |
| Vibration Resistance |
5 g Standard Models 10-500 Hz (per IEC 60068-2-6) |
| Shock Resistance |
30 g (per IEC 60068-2-27) |
| Mounting Style |
DIN rail (35 mm) or panel mount |
| Dimensions (H x W x D) |
Approx. 120 mm x 50 mm x 75 mm |
| Weight |
Approx. 0.2 kg (0.44 lbs) |
| Compatible Modules |
All 1794 series analog, digital, and specialty modules |
| Standards Compliance |
CE, UL, CSA, RoHS |
| Warranty |
2 years (standard) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22