1756-TBNH (20 Pin)

Overview of Allen-Bradley 1756-TBNH 20-Pin Screw Terminal Block

The Allen-Bradley 1756-TBNH is a removable terminal block (RTB) designed for use with ControlLogix I/O modules. It features 20 screw-clamp terminals that allow secure connection of field wiring to ControlLogix modules, simplifying wiring and maintenance tasks. The block is designed with a low-profile housing for easy installation and space efficiency.

Key Features of 1756-TBNH

• Pin Count: 20 pins for field wiring.
• Connection Type: Screw-clamp terminals ensuring secure connections.
• Mounting: Removable and plugs directly into ControlLogix modules.
• Wire Range: Supports 22 to 14 AWG solid or stranded copper wire with 90°C insulation.
• Screw Torque: 1.36 Nm (12 lb-in) for optimal clamp tension.
• Physical Dimensions: Approximately 12.7 cm height x 5.0 cm width x 6.35 cm length.
• Weight: Approximately 0.12 kg (0.26 lbs).
• Operating Temperature: 0 to 60°C (32 to 140°F), suitable for typical industrial environments.
• Compliance: Certified to CCC, CUL, GOST, KC, Marine, and UL standards.

Technical Specifications

Applications / Use Cases

The 1756-TBNH terminal block is essential for ControlLogix distributed I/O systems, providing a secure and organized method for connecting industrial field wiring to I/O modules. It supports various application needs in manufacturing and process control environments where reliable and maintainable field wiring connections are required.