| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1734-IB4 |
| Series | POINT I/O |
| Module Type | Digital DC Sinking Input Module |
| Inputs | 4 |
| Input Voltage | 24 Volts DC |
| Input Current Maximum | 5 milliamps |
| POINTBus Current | 75 milliamps |
| Power Dissipation | 3.4 BTU/hour |
| UPC | 10612598205223 |
| Input Filter Time | 0.5 ms hardware plus 0...63 ms (user-selectable) |
| Dimensions | 56 x 12 x 75.5 mm (2.2 x 0.47 x 2.97 in.) |
| Weight, approx. | 31.8 g (1.12 oz |
| Enclosure type rating | None (open-style) |
| Keyswitch position | 1 |