The Festo SIEN-M18B-PO-S-L is an M18 threaded-barrel inductive proximity sensor from the SIEN series, wired as a PNP normally-open (NO) switching output. It detects the presence of ferrous metal targets without contact, making it a standard fit for end-of-stroke sensing, part-presence checks, and position feedback on pneumatic actuators and handling modules.

Festo SIEN-M18B-PO-S-L Inductive Sensor, M18, PNP NO
MPNSIEN-M18B-PO-S-L
Festo SIEN series, Inductive Sensor, M18 barrel, PNP normally open output, part SIEN-M18B-PO-S-L.
$107.53Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.00 kgs |
Product details
Frequently asked questions
Where can I buy the SIEN-M18B-PO-S-L?
The SIEN-M18B-PO-S-L is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at the time of quote.
What is the output configuration of the SIEN-M18B-PO-S-L?
The SIEN-M18B-PO-S-L has a PNP normally-open (NO) switching output, which means it switches positive voltage when a target enters the sensing field.
MPN
SIEN-M18B-PO-S-L