| PartNumber | ALZ51F48TW | ALZ51F48T | ALZ51F48W |
| Description | General Purpose Relays LZ Relays (ALZ) | General Purpose Relays LZ Relays (ALZ) | General Purpose Relays 1 Form A 48VDC CLASS F INSULATION |
| Manufacturer | Panasonic | Panasonic | - |
| Product Category | General Purpose Relays | General Purpose Relays | - |
| Product | Power Relays | Power Relays | - |
| Coil Voltage | 48 VDC | 48 VDC | - |
| Packaging | Bulk | Tube | - |
| Brand | Panasonic Industrial Devices | Panasonic Industrial Devices | - |
| Product Type | General Purpose Relays | General Purpose Relays | - |
| Factory Pack Quantity | 100 | 20 | - |
| Subcategory | Relays | Relays | - |