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Products/Festo/543871
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Festo

543871

Proximity Sensor SMT-8M-NS-24V-K-0,3-M8D

The Festo 543871 is a magnetoresistive industrial component featuring an NPN switch output with a normally open contact function, operating within a DC voltage range of 10 to 30 V and a max output current of 100 mA. This RoHS-compliant and copper- and PTFE-free unit incorporates short circuit pulsing strength, overload withstand capability, and reverse polarity protection across all electrical connections, functioning within an ambient temperature range of -5 to 70 °C. It features a 0.3 m TPE-U(PU) oil-resistant cable with an axial M8x1 3-pin plug featuring turnable threads, rated for 5 million chain link trunking cycles at a 75 mm bending radius. Mountable via top slot insertion and tightening, the component holds c UL us - Listed (OL) and C-Tick authorizations alongside a CE symbol according to the EU-EMV guideline. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer
Festo
Part number
543871
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 543871.
Worldwide sourcingSupport for planned and urgent industrial requirements.
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Verified configuration

Technical Specifications

Authorization
C-Tick | c UL us - Listed (OL)
CE symbol (see declaration of conformity)
according to EU-EMV guideline
Materials note
Free of copper and PTFE | Conforms to RoHS
Measuring principle
Magnetoresistive
Ambient temperature
-5 ... 70 °C
Switch output
NPN
Switching element function
Normally open contact
Max. output current
100 mA
Max. contact rating DC
3 W
Short circuit strength
Pulsing
Overload withstand capability
Available
Operating voltage range DC
10 ... 30 V
Polarity protected
for all electrical connections
Electrical connection
Cable with plug | M8x1 | 3-pin | Turnable threads
Connector exit direction
axial
Test conditions of cable
Chain link trunking: 5 million cycles, bending radius 75 mm | Bending strength according to Festo standard | Test conditions on request
Cable length
0.3 m
Cable attribute
Standard + chain link trunking
Materials information, cable sheaths
TPE-U(PU) | Oil resistant
Mounting type
Tightened | Insertable in slot from above
Product weight
8.9 g
Materials information, housing
Brass | PA | TPE-U(PU) | High alloy steel, non-corrosive | Nickel plated
Protection class
IP65 | IP68

Engineering context

Identification and RFQ Guidance

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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.

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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 543871. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.