HRDS421
Littelfuse
120–240 VHRDSBulk
Ref. price$100.59
Lead time on requestGet quote
Littelfuse HRDS Series
4 variants · Littelfuse
About the Littelfuse HRDS Series
The Littelfuse HRDS Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting of Chassis Mount, package of Bulk and timing adjustment method of Screwdriver Slot. Variants differ by delay time and supply voltage, so you can match the exact delay time your application requires using the selection guide below.
Select a variant by
- Delay time
- 0.1 Sec to 10 Sec · 1 Sec to 100 Sec
- Supply voltage
- 12 VDC · 24 VDC · 120 VAC
Shared specifications
- Mounting
- Chassis Mount
- Package
- Bulk
- Timing adjustment method
- Screwdriver Slot
- Timing initiate method
- Input Voltage, Trigger Signal
- Type
- Mechanical Relay
Variant comparison
| Parameter | HRDS421 | HRDS120 | HRDS321 |
|---|---|---|---|
| Delay time | 1 Sec to 100 Sec | 0.1 Sec to 10 Sec | 1 Sec to 100 Sec |
| Supply voltage | 120 VAC | 12 VDC | 24 VDC |
Request a quote on any Littelfuse HRDS Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
