Littelfuse KSD1 Solid State Relays Series

5 variants · LittelfuseAll Solid State Relays →

About the Littelfuse KSD1 Solid State Relays Series

The Littelfuse KSD1 Solid State Relays Series series groups 5 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 KSD1 Solid State Relays Series part numbers are active and orderable.

Select a variant by

Delay time: 0.1 Sec to 10 Sec · Fixed, 2 Sec · Fixed, 30 Sec
Supply voltage: 24 VAC · 24 VDC · 120 VAC · 230 VAC
Timing adjustment method: External Resistor · Fixed · Screwdriver Slot

Shared specifications

Mounting: Chassis Mount
Package: Bulk
Timing initiate method: Input Voltage
Type: Solid State Relay

Variant comparison

Parameter	KSD16130S	KSD1320	KSD1412S	KSD14130S	KSD1230
Delay time	Fixed, 30 Sec	0.1 Sec to 10 Sec	Fixed, 2 Sec	Fixed, 30 Sec	0.1 Sec to 10 Sec
Supply voltage	230 VAC	24 VDC	120 VAC	120 VAC	24 VAC
Timing adjustment method	Fixed	External Resistor	Fixed	Fixed	Screwdriver Slot

Request a quote on any Littelfuse KSD1 Solid State Relays Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.