| Manufacturer | Rockwell Automation |
| Part Number/Catalog No. | 1756-L73 |
| Enclosure | None (Open-Style) |
| Brand | Allen-Bradley |
| Communication interfaces | One (1) USB |
| Chassis | 1756-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K,1756-A17, 1756- A17K |
| Standard Power Supply | 1756-PA50, 1756-PA72, 1756-PA72K, 1756-PA75, 1756- PA75K, 1756-PB50, 1756-PB72, 1756-PB72K, 1756- PB75, 1756-PB75K, 1756-PH75 |
| Redundant Power Supply | 1756-PA75R, 1756-PA75RK, 1756-PB75R, 1756- PB75RK,1756-PSCA2, 1756-PSCA2K |
| Series | ControlLogix |
| I-O Memory | 0.98 MB |
| User Memory | 8 MB |
| Maximum I-O | 128,000 |
| Maximum Analog I-O | 4,000 |
| Thermal Dissipation | 8.5 BTU per hour |
| UPC | 10612598876034 |