Allen Bradley POINT I/O Terminal Base 1734-TOP3


  •  In Stock!

  • Screw Clamp, 12 Terminations.
  • Manufacturer: Allen Bradley – PLC
  • Product Type: PLC 1734 POINT I/O
  • Part Number: 1734-TOP3
  • Series: Bulletin 1734
  • UPC: 10612598327932
SKU: 1734-TOP3 Category:


The Allen-Bradley 1734-TOP3 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-TOP3 is easy to install and provides simple and efficient wiring options with screw-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-TOP3 module base:

  • Terminal Connection Type: 12 Screw Terminal (One-piece base)
  • 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
  • Dimensions: 49 mm x 12 mm x 168 mm (1.93 in x 0.47 in x 6.61 in)

The Allen-Bradley 1734-TOP3 is a POINT I/O Terminal Base a comes in one piece 12-terminal screw-clamp terminal base used for fast and efficient wiring of industrial automation field devices such as sensors and switches to the POINT I/O system. Incorrect installation of this Input/Output module can be prevented by using a mechanical keying setting on the base of this terminal, and its tool-less assembly process is simple and easy to follow.

The main components of this unit are its wiring block, handle, interlocking side pieces, base, Mechanical Keying, and a DIN-rail Locking Screw (Orange).

The hardware of the 1734-TOP3 terminal base has a field power bus voltage supply of 28.8 Volts of DC power or 120 to 240 Volts of AC.
With a supply voltage of up to 300V maximum, a maximum terminal current of 8A, a 0.25 to 2.5 mm wire size (22 to 14 AWG), and a screw torque of 0.6 Nm.


Use the following procedure to install the 1734-TOP3 terminal base:

  1. Position the base above the existing units, such as power supplies, and slip the base down. This will interlock its side pieces to the adjacent unit.
  2. Press the module firmly to the DIN rail until the terminal base falls into place. The locking screw must be horizontal before inserting an I/O module.
  3. On its mechanical keying, select the number that matches the I/O module that is meant to be installed.

This procedure prevents incorrect installation of an I/O module.

The POINT I/O is electrically connected to the ground over the DIN rail to the frame. Proper grounding can be achieved with a zinc plated yellow-chromate steel DIN rail. The connecting pins are labeled with the numbers 0 to 11, with their connection being determined by the I/O that will be used. No more than two conductors should be wired on any pin.

The 1734-TOP3 terminal base compatible modules are (Mechanical keying in parenthesis): (1) 1734-IB2,1734-OB8E, 1734-IB8, 1734-IB4, 1734-IV2, 1734-IV8, 1734-IV4,1734-OV8E, 1734-OB2, 1734-OB4, 1734-OB8, 1734-OB2E, 1734-OB4E, 1734-OB2EP, 1734-OV2E, 1734-OV4E; (3) 1734-IE2C, 1734-IE2V; (4) 1734-OE2V,1734-OE2C; (5) 1734-CTM, 1734-VTM; (7) 1734-OW2, 1734-OX2, 1734-OW4; (8) 1734-IA4, 1734-IA2, 1734-IM2, 1734-OA2, 1734-IM4, 1734-OA4.


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