WTB9L-3N2491_SICK_PRODUCT_吉林易择科技技术发展有限公司

The WTB9L-3N2491 is a compact background-suppression photoelectric proximity sensor featuring a precise red laser light source. It delivers reliable detection of small objects over short to medium ranges, housed within a rugged VISTAL® enclosure with high protection ratings—designed for demanding industrial environments.

Grace +86 13600179521

DESCRIBE

Parameters
Parameter Specification
Sensor type Photoelectric proximity sensor, background suppression
Sensing range 25 mm … 400 mm
Light source Visible red laser (Class 2), λ = 650 nm
Light spot size Ø 0.9 mm at ~230 mm
Supply voltage 10 … 30 V DC, ripple < 5 Vpp
Current consumption Approx. 30 mA (no load)
Output type NPN, complementary light/dark switching
Max. output current ≤ 100 mA
Response time ≤ 1 ms
Switching frequency 500 Hz
Adjustment 5-turn potentiometer
Connection M12, 4-pin male connector
Housing material VISTAL® plastic; optics in PMMA
Dimensions (W×H×D) 12.2 mm × 52.2 mm × 23.6 mm
Protection rating IP66, IP67, IP69K
Ambient operating temp –10 °C … +50 °C (up to –30 °C…+55 °C extended)
Storage temperature –30 °C … +70 °C
Weight Approx. 13 g
Certifications UL listed
Special feature Detects small objects with high precision and rugged interference suppression

SERVICE HOTLINE Grace +86 13600179521

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