| PartNumber | ALZ51F12TW | ALZ51F12 | ALZ51F12T |
| Description | General Purpose Relays LZ Relays (ALZ) | General Purpose Relays 1 FORMA 12V CLASS F FLUX-RESISTANT | General Purpose Relays 1 FORMA 12V CLASS F FLUX-RESISTANT |
| Manufacturer | Panasonic | Panasonic | - |
| Product Category | General Purpose Relays | General Purpose Relays | - |
| RoHS | Y | Y | - |
| Product | Power Relays | Power Relays | - |
| Coil Voltage | 12 VDC | 12 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 | - |
| Relay Contact Form | - | 1 Form A (SPST-NO) | - |
| Contact Current Rating | - | 16 A | - |
| Switching Voltage | - | 440 VAC | - |
| Contact Form | - | SPST (1 Form A) | - |