Skip to main content
Littelfuse RS4B12 — Solid State Relays

Littelfuse RS4B12

MPNRS4B12
Active

RELAY TIME DELAY ON/OFF RECYCLNG

$133.08Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

RS4B12 — Specifications
ParameterValue
SeriesRS
CircuitSPST-NO (1 Form A)
FunctionRepeat Cycle
Delay time0.1 Min ~ 102.3 Min
TypeSolid State Relay
MountingChassis Mount
Supply voltage120VAC
Termination styleQuick Connect - 0.250" (6.3mm)
Timing initiate methodInput Voltage
Timing adjustment methodDIP Switches
MPN
RS4B12