| PartNumber | ALZ51F48TW | ALZ51F48 | ALZ51F48T |
| Description | General Purpose Relays LZ Relays (ALZ) | General Purpose Relays 1 FORMA 48V CLASS F FLUX-RESISTANT | General Purpose Relays LZ Relays (ALZ) |
| Manufacturer | Panasonic | Panasonic | Panasonic |
| Product Category | General Purpose Relays | General Purpose Relays | General Purpose Relays |
| Product | Power Relays | Power Relays | Power Relays |
| Coil Voltage | 48 VDC | 48 VDC | 48 VDC |
| Packaging | Bulk | Tube | Tube |
| Brand | Panasonic Industrial Devices | Panasonic Industrial Devices | Panasonic Industrial Devices |
| Product Type | General Purpose Relays | General Purpose Relays | General Purpose Relays |
| Factory Pack Quantity | 100 | 20 | 20 |
| Subcategory | Relays | Relays | Relays |
| RoHS | - | Y | - |