Allen-Bradley 1756-TBNH 20-Pin Screw Terminal Block for ControlLogix Modules

Overview

The Allen-Bradley 1756-TBNH is a detachable 20-position screw terminal block engineered for seamless integration with ControlLogix I/O modules. Designed to provide secure electrical connections, this terminal block supports both standard and safety-rated controllers while ensuring easy installation and reliable performance in industrial environments.

Technical Specifications

• Model / Part Number: 1756-TBNH

• Brand: Allen-Bradley

• Product Type: 20-Pin Screw Terminal Block

• Number of Positions: 20

• Terminal Type: NEMA screw-clamp

• Compatible Controllers: 5580 Standard and Safety series

• Screw Torque: 1.36 Nm

• Maximum Screwdriver Width: 8 mm (5/16 in.)

• Dimensions (L×W×H): 5.51 × 4.41 × 5.71 inches

• Weight: 0.3 lbs (0.14 kg)

Applications

• Provides organized wiring connections for ControlLogix I/O modules.

• Compatible with both standard and safety-rated I/O systems.

• Ideal for panel-mounted I/O installations requiring secure screw connections.

FAQs

Q1: Can this terminal block be used with safety-rated controllers?
Yes, it is compatible with both 5580 standard and safety-rated ControlLogix controllers.

Q2: What is the maximum torque for the terminal screws?
The screws should be tightened to a maximum of 1.36 Nm for secure connections.

Q3: How many positions does this terminal block provide?
It offers 20 screw-clamp positions for wiring multiple I/O signals.