| PartNumber | TRU1 | TRU2 | TRU3 |
| Description | Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY | Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY | Time Delay & Timing Relays UNIVERSALTIMEDELAYRE LAY |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Time Delay & Timing Relays | Time Delay & Timing Relays | Time Delay & Timing Relays |
| RoHS | N | N | N |
| Display Type | Hand Dial | Hand Dial | Hand Dial |
| Termination Style | Plug-In | Plug-In | Plug-In |
| Relay Contact Form | 2 Form C (DPDT-NO, NC) | 1 Form C (SPDT-NO, NC) | 2 Form C (DPDT-NO, NC) |
| Operating Supply Voltage | 19 VAC to 264 VAC, 19 VDC to 30 VDC | 19 VAC to 264 VAC, 19 VDC to 30 VDC | 19 VAC to 264 VAC, 19 VDC to 30 VDC |
| Timing Range | 0.1 s to 10 s | 1 s to 100 s | 10 s to 1000 s |
| Contact Rating | 10 A | 10 A | 10 A |
| Series | TRU | TRU | TRU |
| Packaging | Bulk | Bulk | Bulk |
| Contact Form | DPDT (2 Form C) | SPDT (1 Form C) | DPDT (2 Form C) |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Timing Relays | Timing Relays | Timing Relays |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Relays | Relays | Relays |