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Products/Festo/543863
Festo 543863 Proximity sensor SME-8M-DS-24V-K-5,0-OE
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Festo

543863

Proximity sensor SME-8M-DS-24V-K-5,0-OE

Engineered by Festo, the part number 543863 is a magnetic reed industrial component featuring oil-resistant construction and a contact-based, bipolar N.O. contact switching output operating within an AC voltage range of 5 V to 30 V. This RoHS compliant device carries RCM compliance, c UL us - Listed (OL) certification, along with CE and UKCA markings compliant with applicable EU and UK EMC and RoHS directives. It operates across ambient temperatures from -40 °C to 70 °C with a max output current of 500 mA and a max switching capacity of 10 W for DC or 10 VA for AC. Submit the exact part number, quantity, and application requirements to receive a quote.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer
Festo
Part number
543863
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 543863.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Certication
RCM compliance mark | c UL us - Listed (OL)
CE marking (see declaration of conformity)
As per EU EMC directive | As per EU RoHS directive
UKCA marking (see declaration of conformity)
To UK instructions for EMC | To UK RoHS instructions
Special features
Oil-resistant
Note on materials
RoHS compliant
Application note
https://www.festo.com/Drive-Sensor-Overview
Measuring principle
Magnetic reed
Ambient temperature
-40 °C...70 °C
Switching output
Contact-based, bipolar
Switching element function
N.O. contact
Max. output current
500 mA
Max. output current in mounting kits
80 mA
Min. switching capacity AC
10 VA
Max. switching capacity DC
10 W
Max. switching capacity DC in mounting kits
2.4 W
Max. switching capacity AC in mounting kits
2.4 VA
Voltage drop
1.875 V
Short-circuit protection
No
Overload protection
Not available
Operating voltage range AC
5 V...30 V
DC operating voltage range
5 V...30 V
Reverse polarity protection
No
Electrical connection 1, connection type
Cable
Electrical connection 1, connection technology
Open end
Electrical connection 1, number of pins/wires
3
Connection outlet orientation
Longitudinal
Connector cable test conditions
Flexural strength: as per Festo standard | Test conditions on request | Energy chain: > 5 million cycles, bending radius 75 mm
Cable length
5 m

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 543863. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.