538277

Name: Festo 538277 Proximity sensor SIED-M18NB-ZO-S-L
Brand: Festo

Proximity sensor SIED-M18NB-ZO-S-L

The Festo part number 538277 is a round inductive industrial component featuring an 8 mm rated operating distance, a 6.5 mm assured operating distance, and an EN 60947-5-2 conformity design with RCM and c UL us - Listed certifications. Operating within an ambient temperature range of -25 °C to 85 °C, this 2-wire non-contact unit includes an N/C contact switching element function supporting a 20 V to 265 V AC operating voltage range, a maximum AC switching frequency of 25 Hz, and a maximum DC switching frequency of 340 Hz. It provides an output current up to 300 mA with a repetition accuracy of 0.2 mm and reduction factors specified at 1.0 for Steel St 37, 0.7 for Stainless steel St 18/8, 0.4 for Aluminum and Brass, and 0.3 for Copper. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 538277
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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: 8 mm
Assured operating distance: 6.5 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: 0.2 mm
Switching output: Non-contact, 2-wire
Switching element function: N/C contact
Hysteresis: 0.03 mm...1.9 mm
Max. switching frequency DC: 340 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

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Our sourcing response is prepared against Festo 538277. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.