Allen-Bradley | 1756-TBCH | ControlLogix (1756 Series)

Product Description: Allen-Bradley 1756-TBCH

The Allen-Bradley 1756-TBCH is a 36-position Removable Terminal Block (RTB) with spring-clamp connections and a hinged NEMA-style housing. Designed for use with ControlLogix I/O modules, this RTB provides a secure and tool-free wiring interface for field devices. The spring-clamp terminals ensure vibration-resistant connections, while the protective housing offers enhanced wire retention, safety, and labeling convenience for industrial environments.

Key Features

• 36-position spring-clamp terminal block
• Hinged NEMA-style housing for wire protection and retention
• Tool-free wiring with push-in spring terminals
• Supports a wide range of ControlLogix digital and analog I/O modules
• Enables module replacement without disturbing field wiring
• Removable and reusable for maintenance flexibility
• Compact design suited for industrial control cabinets

Technical Specifications

• Number of Positions: 36
• Connection Type: Spring-clamp (push-in)
• Supported Wire Size: 22–14 AWG (solid or stranded, copper only)
• Housing: Hinged, molded NEMA-style RTB housing
• Operating Temperature: 0°C to 60°C
• Mounting: Direct plug-in to 1756 I/O modules
• Certifications: UL Listed, CE, CSA, RoHS

Application Areas

• ControlLogix-based industrial automation systems
• High-density I/O panels in manufacturing and process industries
• OEM machinery with structured wiring needs
• Control cabinets requiring vibration- resistant and easy-to-maintain wiring
• Projects needing safe and organized field termination solutions

Advantages

• Tool-free wiring improves speed and reduces installation errors
• Spring-clamp terminals prevent loosening in high-vibration environments
• Protective housing improves safety and wire management
• Hot-swappable with no need to disconnect field wires during maintenance
• Fully compatible with the ControlLogix platform for seamless integration