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Festo
538342
Proximity sensor SIEF-Q40S-NA-S-2L
The Festo 538342 is a square inductive industrial component conforming to EN 60947-5-2 with an RCM compliance mark and CE and UKCA markings per applicable EMC, low voltage, and RoHS directives. It features a 35 mm rated operating distance, a 28.35 mm assured operating distance, reduction factors of 1.0 for aluminum, stainless steel St 18/8, copper, brass, and steel St 37, a -30 °C to 85 °C ambient temperature range, and an NPN antivalent switching output with a 250 Hz maximum DC switching frequency and 200 mA maximum output current operating across a 10 V to 65 V DC range. Submit the exact part number, quantity, and application requirements for a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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
- 538342
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 538342.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Design
- Square
- Conforms to standard
- EN 60947-5-2
- Certication
- RCM compliance mark
- 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
- 35 mm
- Assured operating distance
- 28.35 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
- 0.7 mm
- Switching output
- NPN
- Switching element function
- Antivalent
- Hysteresis
- 1.05 mm...5.25 mm
- Max. switching frequency DC
- 250 Hz
- Max. output current
- 200 mA
- Voltage drop
- 1.8 V
- Short-circuit protection
- Pulsed
- DC operating voltage range
- 10 V...65 V
- Residual ripple
- 10%
- Idle current
- 15 mA
- Reverse polarity protection
- for all electrical connections
- Electrical connection
- 4-pin | Fixcon | M12x1 | Plug
Engineering context
Identification and RFQ Guidance
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 538342. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.