538266

Name: Festo 538266 Proximity sensor SIEH-3B-NS-K-L
Brand: Festo

Proximity sensor SIEH-3B-NS-K-L

This round inductive industrial component from Festo conforms to EN 60947-5-2 and features a rated operating distance of 1 mm with an assured operating distance of 0.81 mm. The unit operates with an NPN switching output, an N.O. contact switching element function, and a maximum DC switching frequency of 3000 Hz across an ambient temperature range of -25 °C to 70 °C. It carries CE and UKCA markings for EMC and RoHS directives alongside RCM and c UL us listings. Submit the exact part number, quantity, and application requirements to receive a quote.

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Manufacturer: Festo
Part number: 538266
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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 RoHS directive
UKCA marking (see declaration of conformity): according to UK regulations for EMC (UK-E) | according to UK RoHS regulations (UK-R)
Measuring principle: Inductive
Rated operating distance: 1 mm
Assured operating distance: 0.81 mm
Reduction factors: Aluminum = 0.5 | Stainless steel St 18/8 = 0.8 | Copper = 0.45 | Brass = 0.6 | Steel St 37 = 1.0
Ambient temperature: -25 °C...70 °C
Repetition accuracy: 0.02 mm
Switching output: NPN
Switching element function: N.O. contact
Hysteresis: 0.12 mm
On time: 0.02 ms
Max. switching frequency DC: 3000 Hz
Max. output current: 100 mA
Voltage drop: 2 V
Inductive protective circuit: Installed | Output current <100 mA | and switching frequency < 10 Hz
Residual current: 0.1 mA
Short-circuit protection: Pulsed
DC operating voltage range: 10 V...30 V
Residual ripple: 20%
Idle current: 10 mA
Reverse polarity protection: for all electrical connections

Engineering context

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Our sourcing response is prepared against Festo 538266. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.