| PartNumber | ALZ51F12TW | ALZ51F12 | ALZ51F12W |
| Description | General Purpose Relays LZ Relays (ALZ) | General Purpose Relays 1 FORMA 12V CLASS F FLUX-RESISTANT | General Purpose Relays 1 Form A 12VDC CLASS F INSULATION |
| Manufacturer | Panasonic | Panasonic | Panasonic |
| Product Category | General Purpose Relays | General Purpose Relays | General Purpose Relays |
| RoHS | Y | Y | Y |
| Product | Power Relays | Power Relays | Power Relays |
| Coil Voltage | 12 VDC | 12 VDC | 12 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 | 100 |
| Subcategory | Relays | Relays | Relays |
| Relay Contact Form | - | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) |
| Contact Current Rating | - | 16 A | 16 A |
| Switching Voltage | - | 440 VAC | 440 VAC |
| Contact Form | - | SPST (1 Form A) | SPST (1 Form A) |
| Type | - | - | Standard |
| Contact Termination | - | - | Solder Pin |
| Mounting Style | - | - | Through Hole |
| Coil Termination | - | - | Solder Pin |
| Coil Type | - | - | Non-Latching |
| Coil Resistance | - | - | 360 Ohms |
| Coil Current | - | - | 33.3 mA |
| Contact Material | - | - | Silver Tin Oxide (AgSnO) |
| Length | - | - | 28.8 mm |
| Width | - | - | 12.5 mm |
| Height | - | - | 15.7 mm |
| Contact Rating | - | - | 16 A at 250 VAC |
| Maximum Switching Current | - | - | 16 A |
| Power Consumption | - | - | 400 mW |