1756-TBSH | Allen Bradley | ControlLogix 20-Position Screw-Clamp Terminal Block

Product Description

The Allen Bradley 1756-TBSH is a removable terminal block designed for ControlLogix modules, featuring 20-position NEMA screw-clamp terminals. Its compact, low-profile housing conserves panel space while providing secure and reliable wire connections. Built with polycarbonate housing and engineered for durability, it supports a wide range of wire sizes and withstands harsh operating conditions, making it ideal for industrial automation systems.

Technical Specifications

• Manufacturer: Allen Bradley

• Category: PLCs

• Product Line: ControlLogix

• Part Number: 1756-TBSH

• Module Type: Removable Terminal Block

• Terminal Type: NEMA screw clamp

• Number of Positions: 20

• Wire Size Compatibility: 14–22 AWG

• Housing Type: Low-profile polycarbonate

• Operating Temperature Range: −40 to +75 °C (−40 to +167 °F)

• Storage Temperature Range: −40 to +85 °C (−40 to +185 °F)

• Vibration Tolerance: 5 g rms, 10–500 Hz

• Shock Resistance: 30 g, 11 ms duration

• Weight: Approx. 0.25 lbs (0.11 kg)

Application Scenarios

• Designed for ControlLogix modules requiring removable terminal blocks

• Ideal for installations with limited space due to its low-profile housing

• Suitable for industrial automation panels needing secure screw-clamp wiring

FAQ

Q: How many positions does the 1756-TBSH terminal block support?  A: It supports 20 screw-clamp terminal positions.

Q: What wire sizes are compatible?  A: It supports wires ranging from 14–22 AWG.

Q: Is the terminal block removable?  A: Yes, it is designed for easy disconnection and reconnection during maintenance.

Comparison with Similar Models

• 1756-TBSH: 20-position screw-clamp terminal block, low-profile housing

• 1756-TBS6H: 36-position spring-clamp terminal block, higher density wiring

• 1756-TBNH: 20-position terminal block with alternative clamp style