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Festo SMEO-4-S-LED-24 — Proximity Sensors

Festo SMEO-4-S-LED-24 Proximity Sensor, 12-27 V DC, 500 mA

MPNSMEO-4-S-LED-24

Festo SMEO-4-S-LED-24, Proximity Sensor, magnetic field and electric current, 12…27 V DC, max. 500 mA, 10 W, -25…60°C, plug connector.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SMEO-4-S-LED-24 — Identification
ParameterValue
TypeProximity Sensor
SMEO-4-S-LED-24 — Environmental
ParameterValue
Operating temperature range-25 … 60°C
SMEO-4-S-LED-24 — Other specifications
ParameterValue
ModelSMEO-4-S-LED-24
Weight0,02 kg
ConditionNew
Shelf no.230505
Power rating10 W
Connector typePlug
Current ratingmax. 500 mA
Type of productProximity Sensor
Operating voltage12 … 27 V DC
Measuring principleMagnetic Field and electric Current

Product details

The Festo SMEO-4-S-LED-24 is a magnetic-field proximity sensor with a plug connector, designed to detect piston position on pneumatic cylinders. It operates on 12…27 V DC and switches loads up to 500 mA, with a switching capacity of 10 W. Rated for -25…60°C ambient, it fits inside a standard pneumatic valve terminal or on a cylinder groove. The sensing principle — magnetic field and electric current — means it responds to the magnet in the piston, not to ferrous metal alone.

Compared to the SMEO-4-K-LED-220 — which runs on 12…250 V AC/DC and comes with a 2 m PVC cable — the SMEO-4-S-LED-24 is a lower-voltage, plug-in variant. If your panel is wired for 24 V DC and uses M8 or M12 connectors, this drops in without re-terminating the cable. The SMEO-4-K-LED-220's cable is fixed; swapping to this plug version means changing the mating connector on the harness.

Frequently asked questions

What is the closest functional second-source to the SMEO-4-S-LED-24?

The SMEO-4-K-LED-220 is a functional peer but runs on 12…250 V AC/DC and uses a 2 m PVC cable instead of a plug connector. The SMEO-4-S-LED-24 is the 24 V DC plug-in version — a direct swap only if your harness already has the mating plug.

Will the SMEO-4-S-LED-24 drop into a panel specified around the SMEO-4-K-LED-220 without rewiring?

Not without changing the connector. The SMEO-4-K-LED-220 has a fixed 2 m cable; the SMEO-4-S-LED-24 uses a plug. If the panel has a mating socket for the plug, the wiring is compatible — both are normally open, magnetic-field sensors. If the cable was hard-wired into a terminal block, you'll need to add a socket or re-terminate.

MPN
SMEO-4-S-LED-24