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Products/Festo/553546
Festo 553546 Proximity sensor SIEF-M18B-PS-K-L
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Festo

553546

Proximity sensor SIEF-M18B-PS-K-L

The Festo 553546 is an M18 round industrial component featuring a 5 mm rated operating distance and a PNP switching output with an N.O. contact function. Designed for a DC operating voltage range of 10 V to 30 V, this 3-wire unit includes a 2.5 m TPE-U(PU) cable electrical connection and operates within an ambient temperature range of -30 °C to 70 °C. It complies with EN 60947-5-2 standards and carries RCM, c UL us - Listed (OL), CE, and UKCA markings, along with RoHS material compliance. Submit the exact part number, quantity, and application requirements for a formal 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
553546
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 553546.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Design
Round
Conforms to standard
EN 60947-5-2
Certication
RCM compliance mark | c UL us - Listed (OL)
CE marking (see declaration of conformity)
As per EU EMC directive | As per EU low voltage directive | As per EU RoHS directive
UKCA marking (see declaration of conformity)
To UK instructions for EMC | To UK RoHS instructions | To UK instructions for electrical equipment
Note on materials
RoHS compliant
Rated operating distance
5 mm
Ambient temperature
-30 °C...70 °C
Repetition accuracy
0.28 mm
Switching output
PNP
Switching element function
N.O. contact
Max. switching frequency DC
3000 Hz
Max. output current
200 mA
Short-circuit protection
Pulsed
DC operating voltage range
10 V...30 V
Reverse polarity protection
for all electrical connections
Electrical connection
3-wire | Cable
Cable length
2.5 m
Material of cable sheath
TPE-U(PU)
Size
M18
Mounting type
Flush
Product weight
124 g
Housing material
Brass | Chrome-plated
Switching status indication
Yellow LED
Ambient temperature with exible cable installation
-5 °C...70 °C
Degree of protection
IP68

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 553546. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.