Allen-Bradley 1771-A4B I/O Chassis Assembly
The Allen-Bradley 1771-A4B extended I/O chassis delivers robust connectivity for industrial automation systems. Engineered for demanding environments, it enables efficient data handling and seamless integration across manufacturing, automotive, and food & beverage applications.
| Specification | Value |
|---|---|
| Product ID | 1771-A4B |
| Module Type | I/O Chassis |
| Enclosure Type | Open Style |
| Mount Type | Back Panel |
| I/O Slots | 16 Slots |
| Weight | 7.7 kg |



This chassis excels in distributed control systems requiring high-density I/O configurations. Its open-style enclosure ensures optimal thermal management during continuous operation. Fully compatible with Allen-Bradley PLC-5 and SLC 500 series controllers, it seamlessly integrates with modules like 1771-IBD, 1771-OBD, and 1771-IFE.
Vertex Industrial Services
Vertex Industrial sources industrial automation hardware globally, specializing in new surplus and refurbished equipment from leading brands including Allen-Bradley, Rockwell, and Siemens. Our experts provide personalized pre-sales technical consultation and comprehensive 1-year warranty coverage. Can’t find a specific model? Contact us via WhatsApp – we’ll source it for you.
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