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Allen Bradley 1756-TBNH ControlLogix Terminal Block | 20-Position

Allen Bradley ControlLogix 20-Position Screw Clamp Terminal Block

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ManufacturerAllen Bradley

Part number1756-TBNH

Manufacturer Allen Bradley

Type Removable Terminal Block (RTB)

Positions 20

Terminal Type NEMA Screw Clamp

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20-position screw-clamp terminals Removable for easy wiring Connects ControlLogix I/O modules to field wiring Supports 22-14 AWG wire Secure termination Essential for ControlLogix system setup

Product description

The Allen-Bradley 1756-TBNH is a removable terminal block (RTB) designed for use with ControlLogix I/O modules. It features 20 NEMA screw-clamp positions, providing a secure and flexible connection point between the I/O module and field wiring. This terminal block is essential for simplifying the installation and maintenance of ControlLogix systems. It plugs directly into the front of the I/O module, allowing for quick detachment and reattachment without disturbing the field wiring. The 1756-TBNH supports wire sizes from 22 to 14 AWG and has a torque rating of 1.36 Nm. It is widely used in industrial automation for connecting various ControlLogix I/O modules, including digital, analog, and specialty modules. The 1756-TBNH ensures reliable field wiring termination in control panels for applications in manufacturing, process control, and infrastructure management. Source your 1756-TBNH from Stanlo Automation, your trusted supplier of veteran-owned surplus industrial automation parts. We ensure quality and availability to support your critical projects.

Technical specifications

Manufacturer	Allen Bradley
Type	Removable Terminal Block (RTB)
Positions	20
Terminal Type	NEMA Screw Clamp
Wire Size	22-14 AWG
Torque Rating	1.36 Nm
Applications	ControlLogix I/O Module Wiring
Operating Temperature	0°C to 60°C (32°F to 140°F)

Common applications

ControlLogix Systems

Industrial Control Panels

Automation Wiring

Manufacturing Automation

Process Control

Data Acquisition

Machine Control

Compatible systems

ControlLogix I/O Modules ControlLogix Chassis

Also known as

Allen-Bradley 1756-TBNH Terminal Block ControlLogix RTB 20 Pin Terminal Block

Replaces / compatible with

The 1756-TBNH is a standard removable terminal block for Allen-Bradley ControlLogix I/O modules and does not typically replace specific older part numbers but is a required accessory for many modules.

Technical note

Expert tip

When wiring the 1756-TBNH, ensure all conductors connected to a single terminal are the same type (all solid or all stranded) and are of the same gauge within the specified range.

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Frequently asked questions

What type of terminals does the Allen-Bradley 1756-TBNH use?

The Allen-Bradley 1756-TBNH utilizes NEMA screw-clamp terminals, designed for secure and reliable termination of field wiring. It can accommodate wire sizes ranging from 22 to 14 AWG.