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The Allen Bradley 1734-TOP3 is a terminal base unit with integrated screw-type terminals, specifically designed for use in distributed I/O systems. It provides both mechanical mounting support and electrical field wiring connections for compatible POINT I/O modules.
This model is part of a family of integrated terminal bases that simplify system installation by eliminating the need for separate removable terminal blocks. The 1734-TOP3 offers a reliable and compact wiring solution, making it suitable for applications where space optimization and straightforward wiring are priorities.
Its design ensures stable electrical connections while supporting quick installation and maintenance in industrial control panels.
This product is part of a modular distributed I/O platform designed for flexible expansion and efficient field-level connectivity.
| Parameter | Specification |
|---|---|
| Model | 1734-TOP3 |
| Product Type | Terminal Base Unit |
| Terminal Type | Integrated Screw Clamp |
| Number of Terminals | 8 (configuration dependent) |
| Wire Size Range | 0.25 – 2.5 mm² (22–14 AWG) |
| Rated Voltage | Up to 300V AC/DC |
| Rated Current | Up to 8 A |
| Backplane Interface | Integrated POINTBus connection |
| Field Power Distribution | Supported |
| Mounting | DIN Rail |
| Insulation Material | Industrial thermoplastic |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | Approx. 75 × 12 × 56 mm |
| Weight | ≈ 0.06 kg ( 0.06 ) |
The 1734-TOP3 is engineered to simplify wiring and improve system reliability.
These features support efficient system assembly and long-term reliability.
The module is widely used in industrial automation systems requiring distributed I/O installation.
Typical applications include:
It is especially suitable for applications requiring simple wiring structures and reliable electrical connections.
Integrated terminals reduce the number of components and wiring steps.
Screw terminals provide secure and stable electrical contact.
Compact structure supports high-density installations.
DIN rail mounting and modular design speed up system setup.
Simplified design makes troubleshooting and servicing easier.
| Model | Type | Function | Terminals/Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-TOP | Terminal Base | Integrated Screw Base | 8 | 75 × 12 × 56 | 0.06 ( 0.06 ) |
| 1734-TOPS | Terminal Base | Integrated Spring Clamp | 8 | 75 × 12 × 56 | 0.06 ( 0.06 ) |
| 1734-TB | Terminal Base | Base Unit with RTB | Modular | 75 × 12 × 56 | 0.07 ( 0.07 ) |
| 1734-RTBS | Terminal Block | Spring Clamp RTB | 8 | 75 × 12 × 56 | 0.05 ( 0.05 ) |
| 1734-IB8 | Digital Input | 8-channel Input | 8 | 75 × 12 × 56 | 0.10 ( 0.10 ) |
These modules are typically used together to build flexible distributed I/O systems.
| Model | Type | Channels | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2T | Communication | — | Ethernet Interface | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-IB16 | Digital Input | 16 | 24V DC Input | 145 × 140 × 35 | 0.40 ( 0.40 ) |
| 1756-OB16E | Digital Output | 16 | 24V DC Output | 145 × 140 × 35 | 0.42 ( 0.42 ) |
| 1756-IF8 | Analog Input | 8 | Voltage/Current | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1769-OB16 | Digital Output | 16 | 24V DC Output | 118 × 87 × 35 | 0.30 ( 0.30 ) |