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1794-TB3 Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 1794-TB3 is a terminal base unit in Allen-Bradley's Flex I/O platform. It serves as the mechanical and electrical interface between Flex I/O modules and field wiring, supporting three-wire input proximity modules and other I/O types in industrial control systems. It mounts on DIN rail and facilitates power, common, and signal connections from I/O modules to FlexBus communication. Typical applications include distributed I/O on machine panels, factory automation, and system upgrades.
Best Suited For
- Three-wire input proximity modules
- Distributed field-mounted I/O strings
- General machinery I/O termination
- Environmentally rated installations (-20…70 °C)
Technical Specifications
I/O & Electrical
Communication & Power
Physical & Environmental
Certifications
Certified for Ex nA IIC T4 Gc hazardous-location applications; ATEX and IECEx compliance.