Allen-Bradley | 1734-TB3S |POINT I/O

Product Description: Allen-Bradley 1734-TB3S

The Allen-Bradley 1734-TB3S is a 12-point terminal base for the POINT I/O system, featuring spring-clamp terminals and a dedicated shield ground terminal. This base is used to connect field wiring to POINT I/O modules and ensures quick, secure, and vibration-resistant connections without the need for tools. The integrated shield ground terminal provides enhanced protection for analog and sensitive signal lines.

Key Features

• 12 spring-clamp terminals for tool-free, secure wiring
• Integrated shield ground connection for noise reduction
• Removable terminal interface simplifies module replacement
• DIN rail mounting with automatic backplane connection
• Keyed base for correct module alignment
• Compatible with a wide range of POINT I/O modules
• Ideal for use in vibration-prone or high-EMI environments

Technical Specifications

• Terminal Type: Spring-clamp
• Number of Terminals: 12
• Shield Ground Terminal: Yes
• Supported Wire Size: 22–14 AWG (0.34–2.5 mm²)
• Mounting Type: DIN rail
• Operating Temperature: 0°C to 55°C
• Dimensions (HxWxD): approx. 75 x 12 x 55 mm
• Compatibility: All standard POINT I/O modules
• Electrical Isolation: Field wiring isolated from backplane via terminal base

Application Areas

• Distributed and remote I/O installations
• Machine control systems
• Analog and digital signal interfacing
• Applications with signal integrity requirements (e.g., analog, RTD, thermocouple)
• Compact, high-density I/O systems

Advantages

• Spring-clamp terminals offer fast and reliable tool-less wiring
• Shield ground enhances signal protection in noisy environments
• Compact footprint maximizes panel space efficiency
• Allows quick I/O module changes without disturbing wiring
• Fully compatible with POINT I/O modules for flexible deployment