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Littelfuse ECSL40B — General Purpose Relays

Littelfuse ECSL40B

MPNECSL40B
Obsolete

RELAY CUR SENSE 120VAC 0.5-5A

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

ECSL40B — Identification
ParameterValue
SeriesECS
ECSL40B — Contacts & Switching
ParameterValue
Contact rating at voltage10A @ 240VAC
ECSL40B — Coil & Supply
ParameterValue
Supply voltage range120VAC
ECSL40B — Function & Indication
ParameterValue
Trip range0.5 ~ 5A AC
TypeCurrent Sensing AC
Delay time0.5 Sec ~ 50 Sec
ECSL40B — Mechanical
ParameterValue
Mounting typeChassis Mount
ECSL40B — Environmental
ParameterValue
Operating temperature range-40°C~60°C
ECSL40B — Other specifications
ParameterValue
CircuitSPDT (1 Form C)
Output signalRelay
Trip statusEnergized Low
MPN
ECSL40B