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Littelfuse RS4A Solid State Relays Series

4 variants · Littelfuse

About the Littelfuse RS4A Solid State Relays Series

The Littelfuse RS4A Solid State Relays Series series groups 4 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 RS4A Solid State Relays Series part numbers are active and orderable.

Select a variant by

Delay time
0.1 Min to 102.3 Min · 0.1 Sec to 102.3 Sec

Shared specifications

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

Variant comparison

ParameterRS4A11RS4A12RS4A13RS4A24
Delay time0.1 Sec to 102.3 Sec0.1 Sec to 102.3 Sec0.1 Sec to 102.3 Sec0.1 Min to 102.3 Min

Request a quote on any Littelfuse RS4A Solid State Relays Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants