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Small rectangular plastic sensor with red lens and M8 connector

Sick

Sick WL100-2P4429 Miniature Photoelectric Sensor PNP

SKU CH-0YH0-Z3Z95

Miniature photoelectric retro-reflective sensor with PNP output detects transparent objects up to 2.5 m using visible red LED

  • Detects transparent objects reliably
  • Compact 11 mm x 31 mm x 20 mm housing fits tight spaces
  • Fast 0.5 ms response at 1,000 Hz switching frequency
  • IP67 enclosure resists dust and water ingress
  • Operates on 10 V DC to 30 V DC supply

Miniature Photoelectric Sensor PNP

The Sick WL100-2P4429 is a compact rectangular sensor designed for industrial detection tasks. Its 11 mm by 31 mm by 20 mm housing suits tight machine installations where space is limited. The IP67-rated ABS/PC/POM body withstands wash-down environments. It targets automation engineers who need reliable presence sensing on conveyors or packaging lines.

Sensing Range and Response

The retro-reflective dual-lens optics detect targets from 0.01 m up to 2.5 m with a maximum range of 3 m. A visible red LED at 632 nm produces a 140 mm light spot at 2 m distance. Switching frequency reaches 1000 Hz with a 0.5 ms response time for fast-moving objects. Attenuation along the beam is rated at 20 per cent, limiting performance in heavily contaminated atmospheres.

Build Quality and Connectivity

The sensor operates on 10 V DC to 30 V DC supply with 30 mA consumption and PNP light/dark switching selectable via rotary switch. Output current is capped at 100 mA with circuit protection A, B and D. Connection uses a male M8 4-pin connector for quick wiring. A mounting bracket BEF-W100-A and reflector P250 are included for immediate installation.

Highlights

  • Detects transparent objects reliably
  • Compact 11 mm x 31 mm x 20 mm housing fits tight spaces
  • Fast 0.5 ms response at 1,000 Hz switching frequency
  • IP67 enclosure resists dust and water ingress
  • Operates on 10 V DC to 30 V DC supply

Specifications

BrandSICK
ModelSICK WL100-2P4429

Questions about this item

Can I connect this sensor to a 10 V DC to 30 V DC supply on my existing machine?

Yes, the supply voltage range is 10 V DC to 30 V DC with ±10 % ripple.

How do I verify the sensor detects transparent objects after installation?

Use the potentiometer to adjust sensitivity; the PNP output switches at up to 1,000 Hz with a 0.5 ms response time.

Does the box include a reflector and mounting bracket or must I buy them separately?

The package supplies a BEF-W100-A mounting bracket and a P250 reflector; the M8 4-pin connector cable is not included.

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