| PartNumber | KRPSA22B | KRPSD21B | KRPS4160MM |
| Description | Time Delay & Timing Relays PROGRAMMABLETIMER | Time Delay & Timing Relays PROGRAMMABLETIMER | Time Delay & Timing Relays PROGRAMMABLETIMER |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Time Delay & Timing Relays | Time Delay & Timing Relays | Time Delay & Timing Relays |
| RoHS | Y | Y | Y |
| Termination Style | Quick Connect Terminal | Quick Connect Terminal | Quick Connect Terminal |
| 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 VAC to 240 VAC, 24 VDC to 240 VDC | - | - |
| Timing Range | 1 s to 100 s | 0.1 s to 10 s | 60 m |
| Contact Rating | - | 10 A | 10 A |
| Series | KRPS | KRPS | KRPS |
| 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 |
| Unit Weight | 2.610273 oz | - | - |
| Display Type | - | None | None |