538309

Name: Festo 538309 Proximity sensor SIEF-M8NB-NS-S-L
Brand: Festo

Proximity sensor SIEF-M8NB-NS-S-L

The Festo part number 538309 is a round inductive industrial component conforming to EN 60947-5-2 with an NPN switching output and N.O. contact switching element function. Featuring a rated operating distance of 4 mm, an assured operating distance of 3.24 mm, and a maximum DC switching frequency of 2000 Hz, this component operates within a DC voltage range of 10 V to 30 V and includes pulsed short-circuit protection. It carries RCM compliance, c UL us Listed certifications, CE and UKCA markings per relevant EU and UK directives, and maintains a repetition accuracy of 0.08 mm across an ambient temperature range of -30 °C to 85 °C with equal reduction factors of 1.0 for aluminum, stainless steel St 18/8, copper, brass, and steel St 37. Submit the exact part number, quantity, and application requirements for an RFQ quote.

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Manufacturer: Festo
Part number: 538309
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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 | 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
Measuring principle: Inductive
Rated operating distance: 4 mm
Assured operating distance: 3.24 mm
Reduction factors: Aluminum = 1.0 | Stainless steel St 18/8 = 1.0 | Copper = 1.0 | Brass = 1.0 | Steel St 37 = 1.0
Ambient temperature: -30 °C...85 °C
Repetition accuracy: 0.08 mm
Switching output: NPN
Switching element function: N.O. contact
Hysteresis: 0.12 mm...0.6 mm
Max. switching frequency DC: 2000 Hz
Max. output current: 150 mA
Voltage drop: 1.8 V
Short-circuit protection: Pulsed
DC operating voltage range: 10 V...30 V
Residual ripple: 10%
Idle current: 15 mA
Reverse polarity protection: for all electrical connections
Electrical connection: 3-pin | M8x1 | Plug

Engineering context

Identification and RFQ Guidance

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Technical verification

Our sourcing response is prepared against Festo 538309. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.