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Products/Festo/539494
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Festo

539494

Proximity Sensor SME-10F-DS-24V-K0,3L-M5D

The Festo 539494 is a reed magnetic position sensor designed for round slots based on the DIN EN 60947-5-2 standard. Featuring a contact-type normally open switch output with a 500 mA maximum output current and a 10 ... 30 V AC/DC operating voltage range, this copper- and PTFE-free component operates within an ambient temperature range of -5 to 60 °C. It provides a switching value reproducibility of +/- 0.1 mm, a 0.5 ms switch-on time, and a 30 µs switch-off time while carrying c UL us - Listed (OL) authorization and CE compliance according to EU-EMV and low voltage guidelines. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer
Festo
Part number
539494
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 539494.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Design
for round slot
Based on the standard
DIN EN 60947-5-2
Authorization
c UL us - Listed (OL)
CE symbol (see declaration of conformity)
according to EU-EMV guideline | according to EU low voltage guideline
Materials note
Free of copper and PTFE
Measured variable
Position
Measuring principle
Reed magnetic
Ambient temperature
-5 ... 60 °C
Switch output
Contact-type
Switching element function
Normally open contact
Reproducibility of switching value
+/- 0,1 mm
Switch-on time
0.5 ms
Switch-off time
30 µs
Max. output current
500 mA
Max. contact rating AC
10 VA
Max. contact rating DC
10 W
Short circuit strength
No
Operating voltage range AC
10 ... 30 V
Operating voltage range DC
10 ... 30 V
Polarity protected
No
Electrical connection
Cable with plug | M5x0,5
Connector exit direction
axial
Material information for crimp connectors
Brass | Gold plated
Cable length
0.3 m
Cable sheath color
Grey
Cable type
LifY11Y
Materials information, cable sheaths
PUR
Material information, isolating sleeve
PVC
Min. cable bending radius
24 mm
Mounting type
Clamped in round slot
Tightening torque
0.4 Nm
Assembly position
Any
Product weight
5 g
Housing color
Black
Materials information, housing
PA
Operating status display
Yellow LED
Protection class
IP65 | IP67

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 539494. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.