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Small rectangular plastic sensor with red lens and cable

Sick

Sick WL8-P1131S07 Photoelectric Retro-reflective Sensor PNP

SKU CH-14JK-WXRSE

Compact photoelectric retro-reflective sensor detects fast-moving objects up to 4 m with visible red LED, PNP output, 2 kHz switching, IP67 housing

  • Retro-reflective detection up to 3 m with visible red LED
  • Compact 11 mm x 31 mm x 20 mm ABS housing rated IP67
  • PNP light/dark switching selectable via 270° potentiometer
  • 2,000 Hz switching frequency for fast-moving objects
  • 10 V to 30 V DC supply with 100 mA output current

Compact Retro-reflective Sensor

The Sick WL8-P1131S07 is a photoelectric retro-reflective sensor with autocollimation designed for industrial detection tasks. It operates on a 10 V DC to 30 V DC supply and provides a PNP switching output with selectable light or dark switching via a rotary switch. The sensor suits automation engineers needing reliable object detection in tight spaces.

IP67 Housing with Tyco Connector

The rectangular plastic housing measures 11 mm by 31 mm by 20 mm and carries an IP67 enclosure rating for dust and water protection. A 990 mm PVC cable terminates in a Tyco connector, simplifying installation in control cabinets or on machine frames. The visible red LED emits a 650 nm beam with a 30 mm spot at 1 m distance.

Upgrade for High-speed Lines

This unit replaces slower or larger sensors where a 2,000 Hz switching frequency and 0.25 ms response time are required to detect objects moving at high speeds. The sensing range extends to 4 m maximum, with a practical range up to 3 m. The jump is worthwhile when cycle times demand sub-millisecond response and a compact footprint.

How it compares

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Price $100.99
Typical for this category: the median of 5,006 items is $95.99.

Specifications

Product
Brand nameSICK
Model nameSICK WL8-P1131S07

Questions about this item

What switching frequency does the PNP output support?

The sensor switches at up to 2,000 Hz with a 0.25 ms response time.

What are the exact housing dimensions and mounting footprint?

The rectangular ABS housing measures 11 mm wide by 31 mm high by 20 mm deep.

How is the light/dark mode selected during installation?

A 270° rotary switch on the sensor body selects light or dark switching; the potentiometer only adjusts sensitivity.

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