| PartNumber | ORB24A21D | ORB120A160 | ORB120A25 |
| Description | Time Delay & Timing Relays TIMEDELAYRELAY | Time Delay & Timing Relays TIMEDELAYRELAY | Time Delay & Timing Relays TIMEDELAYRELAY |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Time Delay & Timing Relays | Time Delay & Timing Relays | Time Delay & Timing Relays |
| RoHS | Y | Y | Y |
| Display Type | None | None | None |
| Termination Style | Quick Connect Terminal | Quick Connect Terminal | Quick Connect Terminal |
| Relay Contact Form | 2 Form C (DPDT-NO, NC) | 1 Form C (SPDT-NO, NC) | 1 Form C (SPDT-NO, NC) |
| Timing Range | 0.05 s to 3 s | 60 s | 3 s to 300 s |
| Contact Rating | 10 A | 10 A | 10 A |
| Series | ORB | ORB | ORB |
| Packaging | Bulk | Bulk | Bulk |
| Contact Form | DPDT (2 Form C) | SPDT (1 Form C) | SPDT (1 Form C) |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Timing Relays | Timing Relays | Timing Relays |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Relays | Relays | Relays |