3 variants · Littelfuse
The Littelfuse Littelfuse ORB2 Series series groups 3 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 supply voltage of 24 VAC. Variants differ by delay time and timing adjustment method, so you can match the exact delay time your application requires using the selection guide below. All listed Littelfuse ORB2 Series part numbers are active and orderable.
| Parameter | ORB24A11D | ORB24A21D | ORB24A25 |
|---|---|---|---|
| Delay time | Fixed, 1 Sec | 0.05 Sec to 3 Sec | 3 Sec to 300 Sec |
| Timing adjustment method | Fixed | Screwdriver Slot | Screwdriver Slot |
Request a quote on any Littelfuse ORB2 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
Littelfuse
Littelfuse
Littelfuse