Product Overview

The Allen-Bradley 1756-TBS6H serves as a heavy-duty, 6-terminal spring-clamp Removable Terminal Block (RTB) engineered for the ControlLogix 1756 I/O platform. This physical termination interface mounts directly onto the front faceplate of specialty analog, low-point digital, and high-precision process instrumentation modules. By utilizing gas-tight spring clamps instead of traditional screw mechanisms, it expedites field installations and ensures unbroken continuity.

We deliver this product as a 100% Brand New, original factory-sealed unit in its native factory box, guaranteeing zero mechanical fatigue on the clamping springs, immaculate conductor channels, and full compliance with standard ControlLogix structural designs.

Technical Specifications

Engineering Advantages

• Defeat Continuous Heavy Machinery Vibration: Machine vibrations loosen conventional screw terminals over time, resulting in erratic signal drops and intermittent electrical faults. The 1756-TBS6H employs constant-force spring clamps that grip the copper wire dynamically, providing a gas-tight, vibration-proof connection on heavy stamping lines and high-vibration sorting systems.

• Accelerate Emergency Component Swaps: The removable structural design separates field wiring from the active processing hardware. To replace a faulty input or output card, technicians simply disengage the retaining latch, pull the wired 1756-TBS6H away, swap the module, and snap the block back into place without touching a single field wire.

• Eliminate Terminal Strip Wiring Errors: The 6-point layout provides direct, dedicated routing holes for low-density specialty modules, including thermocouple meters, RTD sensors, and precision flow transmitters. This layout eliminates the clutter of oversized terminal blocks, reducing the possibility of miswiring signal channels.

• Enforce Clean, Tool-Free Cable Management: Front-entry terminal ports accept bare or ferruled stranded wires smoothly without a screwdriver. Technicians push the conductor directly into the port to establish a positive latch, saving assembly time during panel building and field commissioning loops.

FAQs

• Can the 1756-TBS6H replace a standard 1756-TBNH screw-clamp block?

  No. The 1756-TBS6H features a 6-terminal design built explicitly for low-point specialty modules. Standard ControlLogix input and output modules typically utilize 20-pin (1756-TBNH) or 36-pin (1756-TBCH) terminal assemblies, which have different physical dimensions and mechanical alignments.

• What type of wiring delivers the best performance with this spring-clamp block?

  The block handles both solid and stranded copper wires from 22 down to 14 AWG. For low-level analog signals or industrial communication networks, use shielded copper wire rated for 105 degrees Celsius or higher, and ensure that wire insulation thickness does not exceed 1.2 mm.

• Does this unit come inside an authentic, factory-sealed container?

  Yes. We ship this part exclusively as a 100% brand new, original factory-sealed unit in its official Allen-Bradley box. It retains all native factory serialization, barcode identifiers, and anti-static protective wrapping.