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Rectangular metal sensor housing with M12 connector and potentiometer adjustment

Sick

Sick WL12-2P430 Photoelectric Retro-reflective Sensor PNP electrician tool

SKU CH-S3T4-Q127Y

Photoelectric retro-reflective sensor with PNP output detects objects up to 7 m using visible red LED and potentiometer adjustment

  • Visible red LED simplifies alignment
  • IP67 metal housing withstands harsh environments
  • 10–30 V DC supply fits common industrial power
  • 330 µs response detects fast-moving objects
  • Potentiometer adjustment enables quick range setting

Industrial Retro-reflective Sensor

The Sick WL12-2P430 is a photoelectric retro-reflective sensor designed for industrial detection tasks. It operates on a 10 V DC to 30 V DC supply with a PNP switching output suitable for automation logic. The visible red LED light source provides a maximum sensing range of 7 m and a defined sensing range up to 5 m. Adjustment is handled via a potentiometer for light or dark switching modes.

Metal Housing With M12 Connector

A rectangular zinc diecast housing measuring 15 mm x 49 mm x 41.5 mm protects the internal electronics to an IP67 enclosure rating. The optics use PMMA plastic while the 4-pin M12 male connector ensures a secure, vibration-resistant link. This construction supports an ambient operating temperature span of –40 °C to +60 °C and a storage range of –40 °C to +75 °C for harsh environments.

Check Voltage And Mounting Space

Verify that your control system supplies between 10 V DC and 30 V DC and can accept a PNP output with a 330 µs response time. Confirm the 15 mm by 49 mm footprint fits the intended bracket and that an M12 4-pin cable is available for wiring. The sensor carries UL file numbers NRKH.E181493 and NRKH7.E181493 for compliance reference.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 56% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSICK
Model nameSICK WL12-2P430

Questions about this item

What sensing range does the WL12-2P430 achieve in practice?

The sensor detects objects from 0 m up to 5 m with a maximum range of 7 m using visible red light.

What physical space and mounting does the WL12-2P430 require?

The rectangular metal housing measures 15 mm wide by 49 mm high by 41.5 mm deep and connects via an M12 4-pin male connector.

How is the WL12-2P430 wired and what step is often missed?

Supply 10–30 V DC to the M12 connector, set light/dark switching with the potentiometer, and ensure the 330 µs response time suits the application.

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