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Littelfuse KRDS421 — Time Delay Relays

Littelfuse KRDS421

MPNKRDS421
Active

RELAY TIME DELAY 100SEC 10A 125V

$90.71Ref. price · indicative, final on quote
Littelfuse KRDS421 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

KRDS421 — Identification
ParameterValue
Relay typeMechanical Relay
SeriesKRDS
KRDS421 — Timing
ParameterValue
FunctionOne Shot
Delay time range1 Sec ~ 100 Sec
Timing adjustment methodScrewdriver Slot
Timing initiate methodInput Voltage, Trigger Signal
KRDS421 — Electrical
ParameterValue
Supply voltage120VAC
KRDS421 — Output / Contacts
ParameterValue
Contact rating10A @ 125VAC
Contact configurationSPDT (1 Form C)
KRDS421 — Mechanical
ParameterValue
Termination styleQuick Connect - 0.250" (6.3mm)
Mounting typeChassis Mount
MPN
KRDS421