| PartNumber | THD2C423 | THD2C620 | THD2C433 |
| Description | Time Delay & Timing Relays INTERVALTIMER | Time Delay & Timing Relays TIMER-INTERVAL | Time Delay & Timing Relays INTERVALTIMER |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Time Delay & Timing Relays | Time Delay & Timing Relays | Time Delay & Timing Relays |
| RoHS | Y | Y | Y |
| Display Type | Hand Dial | Hand Dial | Hand Dial |
| Termination Style | Quick Connect Terminal | Quick Connect Terminal | Quick Connect Terminal |
| Relay Contact Form | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) |
| Operating Supply Voltage | 120 VAC | 230 VAC | 120 VAC |
| Timing Range | 0.1 m to 10 m | 0.1 s to 10 s | 0.1 m to 10 m |
| Contact Rating | 20 A | 20 A | 20 A |
| Series | THD2 | THD2 | THD2 |
| Packaging | Bulk | Bulk | Bulk |
| Contact Form | SPST (1 Form A) | SPST (1 Form A) | SPST (1 Form A) |
| Type | Interval Timer | Interval Timer | Interval Timer |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Timing Relays | Timing Relays | Timing Relays |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Relays | Relays | Relays |