150451

Name: Festo 150451 Proximity sensor SIEH-M12B-PS-S-L
Brand: Festo

Proximity sensor SIEH-M12B-PS-S-L

The Festo part number 150451 is an industrial component featuring a 4 mm rated operating distance, 3.24 mm assured operating distance, and a PNP switching output with a N.O. contact element function. Conforming to EN 60947-5-2 with C-Tick and c UL us - Listed (OL) certifications, this unit operates within a 10 V to 30 V DC range, supporting a maximum switching frequency of 2500 Hz and a max output current of 200 mA across an ambient temperature range of -25 °C to 70 °C. It includes integrated inductive protection and pulsed short-circuit protection, with specific reduction factors of 0.4 for aluminum, 0.8 for stainless steel St 18/8, 0.4 for copper, 0.5 for brass, and 1.0 for steel St 37. Submit the exact part number, quantity, and application requirements to request a quote.

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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: 150451
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Technical Specifications

Conforms to standard: EN 60947-5-2
Certication: C-Tick | 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)
Rated operating distance: 4 mm
Assured operating distance: 3.24 mm
Reduction factors: Aluminum = 0.4 | Stainless steel St 18/8 = 0.8 | Copper = 0.4 | Brass = 0.5 | Steel St 37 = 1.0
Ambient temperature: -25 °C...70 °C
Repetition accuracy under constant conditions: 0.2 mm
Switching output: PNP
Switching element function: N.O. contact
Hysteresis: 0.36 mm
Max. switching frequency: 2500 Hz
Max. output current: 200 mA
Voltage drop: 2 V
Inductive protective circuit: Installed
Short-circuit protection: Pulsed
DC operating voltage range: 10 V...30 V
Residual ripple: ±10 %
Idle current: 10 mA
Reverse polarity protection: for all electrical connections
Electrical connection 1, connection type: Plug
Electrical connection 1, connection technology: M12x1 A-coded as per EN 61076-2-101
Electrical connection 1, number of pins/wires: 4
Electrical connection 1, type of mounting: Screw-type lock | not rotatable | Compatible with rotatable screw-type lock

Engineering context

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Our sourcing response is prepared against Festo 150451. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.