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Littelfuse KSDR Series

2 variants · Littelfuse

About the Littelfuse KSDR Series

The Littelfuse KSDR 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 supply voltage of 120 VAC. Variants differ by delay time, so you can match the exact delay time your application requires using the selection guide below. All listed Littelfuse KSDR Series part numbers are active and orderable.

Select a variant by

Delay time
0.1 Sec to 10 Sec · 10 Sec to 1000 Sec

Shared specifications

Mounting
Chassis Mount
Package
Bulk
Supply voltage
120 VAC
Timing adjustment method
Screwdriver Slot
Timing initiate method
Input Voltage
Type
Solid State Relay

Variant comparison

ParameterKSDR40A0KSDR42A4
Delay time0.1 Sec to 10 Sec10 Sec to 1000 Sec

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

All variants