
HRDI422
Littelfuse
2 variants · Littelfuse
The Littelfuse Littelfuse HRDI Series series groups 2 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common mounting of Chassis Mount, package of Bulk and timing initiate method of Input Voltage. Variants differ by delay time, supply voltage and timing adjustment method, so you can match the exact delay time your application requires using the selection guide below. All listed Littelfuse HRDI Series part numbers are active and orderable.
| Parameter | HRDI422 | HRDI117S |
|---|---|---|
| Delay time | 10 Sec to 1000 Sec | Fixed, 7 Sec |
| Supply voltage | 120 VAC | 12 VDC |
| Timing adjustment method | Screwdriver Slot | Fixed |

Littelfuse

Littelfuse
Request a quote on any Littelfuse HRDI Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.