WENGLOR KN88PA3 photoelectric sensor

Detection of transparent or glossy surfaces (glass, foil, PET)

Quality control in packaging and bottling lines

Precision object detection in automation

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KN88PA3 is a retro-reflex photoelectric sensor capable of detecting transparent objects like glass, foil, or PET bottles reliably. It uses a polarization filter to ensure stable detection.

Detection Range: 2,600 mm

Polarization Filter: Yes

Switching Hysteresis: < 5%

Light Source: Red LED

Polarizing Optics

Service Life: Approx. 100,000 hours

Max Ambient Light: 10,000 Lux

Beam Angle: 3°

Single-Lens Optics

Supply Voltage: 10–30 V DC

Current Consumption: < 40 mA (@ 24 V)

Switching Frequency: 2,500 Hz

Response Time: 200 μs

Temperature Drift: < 3%

Operating Temperature: –10 ... +60 °C

Output Voltage Drop: < 2.5 V

PNP Output, Max Current 200 mA

Residual Current: < 50 μA

Short-Circuit, Reverse Polarity, Overload Protection

Protection Class: III, IP67

Adjustment: Potentiometer

Housing: Plastic, fully encapsulated

Connection: M12 × 1, 4-pin

PNP output, both NO and NC available

Data Sheet