Allen-Bradley 1756-TBSH ControlLogix Spring-Clamp Terminal Block

Product Overview

The Allen-Bradley 1756-TBSH is a high-quality terminal block. It belongs to the ControlLogix series from Rockwell Automation. This module uses a spring-clamp design for secure wire connections. It features 20 pins for various I/O modules. The 1756-TBSH ensures reliable signal transmission in industrial environments. Its compact size saves space in control panels. The unit weighs only 0.3 pounds. This makes it easy to handle during installation. It supports a backplane current of 1,200 milliamps at 5 volts. At 24 volts, it draws just 2.5 milliamps. The maximum power dissipation is 6.19 Watts. It accepts 20 AWG wire size for flexible wiring options.

Application Scenarios

This terminal block works in many industrial settings. Use it in manufacturing plants for automation tasks. It fits well in process control systems. The 1756-TBSH is ideal for discrete manufacturing lines. It also works in continuous process applications. Engineers use it in material handling systems. It supports both analog and digital signal connections. The module operates in temperatures from 32 to 140 Fahrenheit. This range covers 0 to 60 Celsius. It suits indoor control cabinets without additional enclosures. The spring-clamp design reduces wiring time. It also prevents loose connections from vibration.

Technical Specifications

The 1756-TBSH has clear technical parameters. It is a spring-clamp type terminal block. The module has a 20-pin connection configuration. Its dimensions are 5.51 x 4.41 x 5.71 inches. The backplane current at 5 volts is 1,200 milliamps. At 24 volts, it draws 2.5 milliamps. Maximum power dissipation reaches 6.19 Watts. It accepts 20 AWG wire size. The operating temperature range is 32-140 Fahrenheit. This equals 0-60 Celsius. The product does not include an enclosure. It weighs 0.3 pounds or 0.1 kilograms. These specs ensure compatibility with ControlLogix racks.

Installation & Maintenance Guide

Installing the 1756-TBSH is straightforward. First, mount it onto the ControlLogix chassis. Use the spring-clamp mechanism for wire insertion. Insert a small screwdriver to open the clamp. Then place the stripped wire into the terminal. Release the screwdriver to secure the wire. Ensure wires are properly stripped to 20 AWG. Check all connections for tightness after installation. Perform routine inspections every few months. Look for signs of wear or corrosion. Replace the module if any damage appears. Always power down the system before maintenance. This prevents electrical hazards. The simple design allows quick replacements.

Packing List

Each order includes one Allen-Bradley 1756-TBSH terminal block. The package contains the module only. No additional accessories are included. The product ships in secure packaging. Shipping methods include FedEx, UPS, or DHL. These carriers ensure fast and reliable delivery. The product is new and in original packaging. Verify the model number upon receipt. Contact support if any issues arise.