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Rectangular metal photoelectric sensor, 15.5 by 48.5 by 42 mm, M12 5-pin connector

Sick

Sick WL12G-3P2582P04 Photoelectric Sensor PNP

SKU CH-HA3H-F1DDQ

Small photoelectric retro-reflective sensor detects transparent objects up to 3 m with infrared LED, PNP output, teach-in adjustment, M12 connector, 10–30 V DC supply, 120 g zinc housing

  • Detects transparent objects with polarised retro-reflective sensing
  • 5 mm wide rectangular housing fits tight machine spaces
  • PNP light-switching output rated for 100 mA load current
  • 5 kHz switching frequency enables fast production-line detection
  • Zinc diecast metal housing resists shock and industrial environments

Compact photoelectric sensor for transparent

The Sick WL12G-3P2582P04 is a retro-reflective photoelectric sensor designed to detect transparent objects in industrial automation. Its rectangular metal housing measures 15.5 mm x 48.5 mm x 42 mm and weighs 120 g. The sensor operates on a 10 V DC to 30 V DC supply with a 40 mA power consumption. It suits engineers integrating presence detection into conveyors, packaging lines or material handling systems.

M12 connector and teach-in button simplify setup

Installation uses a male M12 5-pin connector for quick wiring without cable preparation. A single teach-in button handles sensitivity adjustment, operation mode selection and pin assignment changes. The polarising filter helps suppress reflections from shiny surfaces that can cause false triggers. Ensure the reflector is aligned within the 3 m maximum sensing range and the 10 V to 30 V supply ripple stays below 5 Vpp for reliable switching.

Three metre range with 1.5 kHz switching frequency

The infrared LED emits at 850 nm producing a 25 mm light spot at 1.5 m distance. The PNP light-switching output delivers up to 100 mA with a 333 µs response time and 1.5 kHz switching frequency. A selectable time delay of 50 ms off-delay extends pulse duration for slower PLC inputs. The sensor handles fast-moving transparent items such as bottles or film but reaches its limit beyond 3 m or when heavy contamination blocks the optical path.

Highlights

  • Detects transparent objects with polarised retro-reflective sensing
  • 5 mm wide rectangular housing fits tight machine spaces
  • PNP light-switching output rated for 100 mA load current
  • 5 kHz switching frequency enables fast production-line detection
  • Zinc diecast metal housing resists shock and industrial environments

Specifications

BrandSICK
ModelSICK WL12G-3P2582P04

Questions about this item

How do I confirm the sensor is operating correctly after installation?

Verify the output switches when an object enters the 0 m to 3 m sensing range; the teach-in button lets you set sensitivity to 40 %, 18 % or 10 % and choose light-switching mode.

What comes in the box and what must I source separately?

The sensor housing with integrated M12 5-pin male connector is supplied; you must provide a compatible M12 cable, a 10 V to 30 V DC power supply and a suitable reflector for retro-reflective operation.

Which version should I choose for detecting transparent objects?

This WL12G-3P2582P04 model is specifically highlighted for transparent-object detection using an 850 nm infrared LED with a 25 mm spot at 1.5 m distance.

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