| PartNumber | HLMUDLAAA | HLMUDRAAA | HLMUDN0405N |
| Description | Time Delay & Timing Relays 3PHASEVOLTAGEMONITOR | Time Delay & Timing Relays 3PHASEVOLTAGEMONITOR | Time Delay & Timing Relays 3PHASEVOLTAGEMONITOR |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Time Delay & Timing Relays | Time Delay & Timing Relays | Time Delay & Timing Relays |
| RoHS | Y | Y | Y |
| Termination Style | Screw Terminal | - | Screw Terminal |
| Relay Contact Form | 2 Form C (DPDT-NO, NC) | 2 Form C (DPDT-NO, NC) | 2 Form C (DPDT-NO, NC) |
| Operating Supply Voltage | 480 VAC | - | 200 VAC to 480 VAC |
| Timing Range | 0.6 s to 300 s | - | - |
| Contact Rating | 10 A | - | 10 A |
| Series | HLMU | HLMU | HLMU |
| Packaging | Bulk | Bulk | Bulk |
| Contact Form | DPDT (2 Form C) | DPDT (2 Form C) | DPDT (2 Form C) |
| Type | Voltage Monitoring | - | - |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Mounting Style | Panel | Panel | - |
| Product Type | Timing Relays | Timing Relays | Timing Relays |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Relays | Relays | Relays |
| Coil Voltage | - | 240 VAC | - |
| Display Type | - | - | LED Indication |