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Products/Festo/171178
Festo 171178 Proximity sensor SMTO-8E-PS-S-LED-24
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Festo

171178

Proximity sensor SMTO-8E-PS-S-LED-24

The Festo 171178 is an industrial component designed for T-slot mounting based on the EN 60947-5-2 norm, featuring a magneto-resistive measuring principle for position detection with a repetition accuracy of 0.2 mm. It operates with a PNP switching output, N.O. contact switching element function, maximum switching frequency of 130 Hz, and a maximum output current of 100 mA within an ambient temperature range of -20 °C to 60 °C. This unit includes RCM compliance, CE and UKCA markings as per EU and UK EMC and RoHS directives, and an inductive protective circuit adapted to MZ, MY, and ME coils. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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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
171178
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 171178.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Design
For T-slot
Based on norm
EN 60947-5-2
Certication
RCM compliance mark
CE marking (see declaration of conformity)
As per EU EMC directive | As per EU RoHS directive
UKCA marking (see declaration of conformity)
To UK instructions for EMC | To UK RoHS instructions
Note on materials
RoHS compliant
Application note
Support / actuator-sensor overview "The right sensor for the actuator"
Measured variable
Position
Measuring principle
Magneto-resistive
Ambient temperature
-20 °C...60 °C
Repetition accuracy
0.2 mm
Switching output
PNP
Switching element function
N.O. contact
On time
1.3 ms
Switch-off time
7.3 ms
Max. switching frequency
130 Hz
Max. output current
100 mA
Max. switching capacity DC
2.8 W
Voltage drop
1.8 V
Inductive protective circuit
Adapted to MZ, MY and ME coils
Residual current
0.01 mA
Short-circuit protection
Yes
Overload protection
Yes
DC operating voltage range
10 V...30 V
Residual ripple
10%
Reverse polarity protection
for all electrical connections
Electrical connection 1, connection type
Plug
Electrical connection 1, connection technology
M8x1 A-coded as per EN 61076-2-104
Electrical connection 1, number of pins/wires
3
Electrical connection 1, type of mounting
Snap-locking

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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 171178. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.