| PartNumber | WVM911AL | WVM911RH | WVM911AN |
| Description | Industrial Relays 3PHASEVOLTAGEMONITOR | Industrial Relays 3PHASEVOLTAGEMONITOR | Industrial Relays 3PHASEVOLTAGEMONITOR |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Industrial Relays | Industrial Relays | Industrial Relays |
| RoHS | Y | Y | Y |
| Product | Protection Relays | Protection Relays | Protection Relays |
| Type | Voltage Monitor, 3-Phase | Voltage Monitor, 3-Phase | Voltage Monitor, 3-Phase |
| Contact Termination | Screw | Screw | Screw |
| Relay Contact Form | 1 Form C (SPDT-NO, NC) | 1 Form C (SPDT-NO, NC) | 1 Form C (SPDT-NO, NC) |
| Contact Current Rating | 10 A | 10 A | 10 A |
| Switching Voltage | 400 VAC to 480 VAC | 400 VAC to 480 VAC | 400 VAC to 480 VAC |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Series | WVM | WVM | WVM |
| Length | 61 mm | 61 mm | 61 mm |
| Width | 111.8 mm | 111.8 mm | 111.8 mm |
| Height | 175.3 mm | 175.3 mm | 175.3 mm |
| Packaging | Bulk | Bulk | Bulk |
| Contact Form | SPDT (1 Form C) | SPDT (1 Form C) | SPDT (1 Form C) |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Industrial Relays | Industrial Relays | Industrial Relays |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Relays | Relays | Relays |