538281

Name: Festo 538281 Proximity sensor SIED-M18B-ZO-S-L
Brand: Festo

Proximity sensor SIED-M18B-ZO-S-L

The Festo part number 538281 is an inductive round industrial component conforming to standard EN 60947-5-2 with an operating voltage range of 20 V to 265 V AC and a rated operating distance of 5 mm. This 2-wire non-contact component features an N/C contact switching element function, a maximum DC switching frequency of 490 Hz, a maximum AC switching frequency of 25 Hz, and a maximum output current of 300 mA. It operates within an ambient temperature range of -25 °C to 85 °C and carries RCM and c UL us-Listed certifications alongside CE marking per EU EMC and low voltage directives. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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Manufacturer: Festo
Part number: 538281
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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 low voltage directive
Measuring principle: Inductive
Rated operating distance: 5 mm
Assured operating distance: 4.05 mm
Reduction factors: Aluminum = 0.4 | Stainless steel St 18/8 = 0.7 | Copper = 0.3 | Brass = 0.4 | Steel St 37 = 1.0
Ambient temperature: -25 °C...85 °C
Repetition accuracy: 0.15 mm
Switching output: Non-contact, 2-wire
Switching element function: N/C contact
Hysteresis: 0.04 mm...1.15 mm
Max. switching frequency DC: 490 Hz
Max. switching frequency AC: 25 Hz
Max. output current: 300 mA
Voltage drop: 8 V
Minimum load current: 5 mA
Short-circuit protection: no
Operating voltage range AC: 20 V...265 V
DC operating voltage range: 20 V...320 V
Mains frequency: 50 Hz
Idle current: 1.5 mA
Reverse polarity protection: for all electrical connections

Engineering context

Identification and RFQ Guidance

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Technical verification

Our sourcing response is prepared against Festo 538281. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.