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| PartNumber | KRDR321B4 | KRDR121A1 | KRDR320B0 |
| Description | Time Delay & Timing Relays RECYCLINGTIMER | Time Delay & Timing Relays RECYCLINGTIMER | Time Delay & Timing Relays RECYCLINGTIMER |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Time Delay & Timing Relays | Time Delay & Timing Relays | Time Delay & Timing Relays |
| RoHS | Y | Y | Y |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Relay Contact Form | 1 Form C (SPDT-NO, NC) | 1 Form C (SPDT-NO, NC) | 1 Form C (SPDT-NO, NC) |
| Operating Supply Voltage | 24 VDC | 12 VDC | 24 VDC |
| Timing Range | 1 s to 100 s | 1 s to 100 s | 0.1 s to 10 s |
| Contact Rating | 10 A | 10 A | 10 A |
| Series | KRDR | KRDR | KRDR |
| Packaging | Bulk | Bulk | Bulk |
| Contact Form | SPDT (1 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 |
