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Festo SIEN-4B-NO-K-L — Proximity Sensors

Festo SIEN-4B-NO-K-L Inductive Sensor, Proximity Switch

MPNSIEN-4B-NO-K-L

Festo, SIEN series, inductive proximity sensor, order code SIEN-4B-NO-K-L, normally open output, current lifecycle stage.

$129.83Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SIEN-4B-NO-K-L — Specifications
ParameterValue
Weight0.00 kgs

Product details

Festo, SIEN series, inductive proximity sensor, order code SIEN-4B-NO-K-L, normally open output, current lifecycle stage.

Frequently asked questions

Will SIEN-4B-NO-K-L drop into a panel wired for SIEN-4B-NS-K-L?

Physically yes — same housing and mounting. But the output logic differs: this is normally open (NO), while the NS variant is normally closed (NC). A wiring or PLC configuration change is needed.

MPN
SIEN-4B-NO-K-L