Allen Bradley POINT I/O Terminal Base 1734-TBS


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  • Spring Terminals.
  • Manufacturer: Allen Bradley – PLC
  • Product Type: PLC 1734 POINT I/O
  • Part Number: 1734-TBS
  • Series: Bulletin 1734
  • UPC: 10612598206114
SKU: 1734-TBS Category:


The Allen-Bradley 1734-TBS module base is a versatile and durable option for your industrial automation needs. This module base is specifically designed to work with Allen-Bradley’s 1734 series of Input/Output (I/O) modules, providing a secure and stable platform for your I/O signals. The base features a compact design that allows for maximum use of panel space, while its rugged construction ensures reliable performance in harsh industrial environments.

The 1734-TBS is easy to install and provides simple and efficient wiring options with spring-terminal connections. The base is compatible with DIN rail and panel mount installations, allowing you to choose the best mounting option for your specific application.

Here are the technical specifications for the Allen-Bradley 1734-TBS module base:

  • Terminal Connection Type: Spring Terminal
  • Terminal Connection Rating: 22-14 AWG
  • Operating Temperature Range: -20°C to 55°C (-4°F to 131°F)
  • Storage Temperature Range: -40°C to 85°C (-40°F to 185°F)
  • Relative Humidity: 5% to 95% (non-condensing)
  • Shock resistance: 30g
  • Mounting Type: DIN Rail or Panel Mount
  • Material: Thermoplastic
  • Agency Approvals: CE, cULus
  • Dimensions: 65 mm x 12 mm x 160 mm (2.56 in x 0.47 in x 6.30 in)

The 1734-TBS helps expand this system’s usability by keeping its dimensions compact and providing it with removable terminal parts; this wiring terminal has a Removable Terminal Block (RTB) with eight (8) terminal spring clamps for wire termination. The 1734-TBS base is designed to accept many different types of I/O modules and enable safe hot swapping and RIUP (Removal and Insertion Under Power). One of this unit’s advantages is that the base terminal can be mounted either horizontally or vertically.

The 1734-TBS is contained in a reasonable housing of dimensions and includes a scope of wire sizes 0.34 to 2.1 millimeters (22 to 14 AWG). Other descriptive characteristics include its weight of 87.0 grams (3.07 ounces), a supply voltage of 300 Volts, a maximum current of 10A, and a bus supply voltage of 120 to 240 Volts AC or 28.8 Volts DC.

Its integral parts are a wiring module base, an RTB, a handle for the removal of the RTB, interlocking side pieces, a screw locking system for DIN-rail installation, and an orange mechanical key. To replace the module’s RTB, order the part that corresponds to the number 1734-RTBS.


This manually composed module does not require any tools for its setup or installation. It can be connected to the POINT I/O system in a few simple moves. Put the base just above previously inserted modules, then slide it down to snap onto a DIN rail and make a connection to an adjacent module. Make sure that the base module locking screw is in a horizontal position (representing a locked state). Take note not to put more than 2 conductors in any terminating pin on RTB.

Users should set a mechanical key for proper I/O module installation. This advanced option helps users and technicians not to make mistakes during the installation and maintenance of the POINT I/O system. The Allen-Bradley 1734-TBS terminal base matching I/O modules (Mechanical key number) are as listed: 1734-IB8, 1734-IV4, 1734-IV2, 1734-IV8, 1734-OB2, 1734-OB4, 1734-OB8, 1734-IB4, 1734-IB2, 1734-OB2E, 1734-OB4E, 1734-OB8E, 1734-OV4E, 1734-OB2EP, 1734-OV2E, 1734-OV8E (No-1); 1734-IE2V, 1734-IE2C (No-3); 1734-OE2V, 1734-OE2C (No-4); 1734-VTM, 1734-CTM (No-5); 1734-OW4, 1734-OW2, 1734-OX2 (No-7); 1734-IM2, 1734-IA2, 1734-IM4, 1734-OA2, 1734-OA4, 1734-IA4 (No-8).


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