| PartNumber | 2688530 | 2688527 | 2688501 |
| Description | I/O Modules AXL F BK PB | I/O Modules AXL F AO4 1H | I/O Modules AXL F AI4 U 1H |
| Manufacturer | Phoenix Contact | Phoenix Contact | Phoenix Contact |
| Product Category | I/O Modules | I/O Modules | I/O Modules |
| Product Type | I/O Modules | I/O Modules | I/O Modules |
| Brand | Phoenix Contact | Phoenix Contact | Phoenix Contact |
| IP Rating | IP20 | IP20 | IP20 |
| Maximum Operating Temperature | + 60 C | + 60 C | + 60 C |
| Minimum Operating Temperature | - 25 C | - 25 C | - 25 C |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | I/O Modules | I/O Modules | I/O Modules |
| Part # Aliases | AXL_F_BK_PB AXLFBKPB | 1H AO4 AXL F | 1H AI4 AXL F U |
| Unit Weight | 6.172943 oz | 5.114724 oz | 7.093594 oz |