Allen-Bradley | 1794-TB32 | FLEX I/O (1794 Series)

Product Description: Allen-Bradley 1794-TB32

The Allen-Bradley 1794-TB32 is a 32-point terminal base unit used in the FLEX I/O system to connect field wiring to FLEX I/O modules. It provides spring- clamp terminations for secure, vibration- resistant wiring and supports 32 I/O signal points. The TB32 is designed for use with digital I/O modules and allows quick installation, modular flexibility, and easy field connections without the need for soldering or complex terminal blocks.

Key Features

• 32 connection points for I/O wiring
• Spring-clamp terminals for secure and tool-free wire termination
• Used with FLEX I/O digital I/O modules
• Compatible with DIN rail and panel mounting
• Integrates with FLEX I/O adapters (e.g., EtherNet/IP, ControlNet, DeviceNet)
• Removable without disturbing adjacent terminal bases
• Color- coded and numbered terminals for simplified installation and identification

Technical Specifications

• Terminal Type: Spring-clamp
• Number of Terminals: 32 (for I/O and power connections)
• Wire Size:
  • Solid: 0.33–2.1 mm² (22–14 AWG)
• Mounting: DIN rail or panel
• Dimensions (HxWxD): Approx. 76 x 94 x 66 mm
• Operating Temperature: 0°C to 55°C
• Certifications: UL Listed, CE, CSA, RoHS, Class I Div 2

Application Areas

• Modular PLC control panels
• Distributed I/O in manufacturing automation
• Packaging, process, and material handling systems
• OEM machine wiring with high-density I/O
• FLEX I/O networks in both discrete and process industries

Advantages

• High-density wiring simplifies large I/O systems
• Spring-clamp terminals reduce wiring time and improve reliability
• Modular base allows easy expansion or replacement of I/O modules
• Supports quick disconnection for maintenance or upgrades
• Fully compatible with Allen-Bradley FLEX I/O architecture