WTB9L-3P2491

Small photoelectric sensors
W9

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Features

Functional principle	Photoelectric proximity sensor
Functional principle detail	Background suppression
Dimensions (W x H x D)	12.2 mm x 52.2 mm x 23.6 mm
Housing design (light emission)	Rectangular
Mounting hole	M3
Sensing range max.	25 mm … 400 mm ¹⁾
Sensing range	25 mm … 400 mm ¹⁾
Type of light	Visible red light
Light source	Laser ²⁾
Light spot size (distance)	Ø 0.9 mm (230 mm)
Wave length	650 nm
Laser class	2 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
Adjustment	Potentiometer, 5 turns
Special applications	Detecting small objects

Mechanics/electronics

Supply voltage	10 V DC … 30 V DC ¹⁾
Ripple	< 5 V_pp ²⁾
Current consumption	30 mA ³⁾
Switching output	PNP ⁴⁾
Output function	Complementary
Switching mode	Light/dark switching ⁴⁾
Output current I_max.	≤ 100 mA
Response time	≤ 1 ms ⁵⁾
Switching frequency	500 Hz ⁶⁾
Connection type	Male connector M12, 4-pin
Circuit protection	A ⁷⁾ B ⁸⁾ C ⁹⁾
Protection class	III
Weight	13 g
Housing material	Plastic, VISTAL®
Optics material	Plastic, PMMA
Enclosure rating	IP66 IP67 IP69K
Ambient operating temperature	–10 °C … +50 °C
Ambient operating temperature extended	–30 °C … +55 °C ¹⁰⁾ ¹¹⁾
Ambient temperature, storage	–30 °C … +70 °C
UL File No.	NRKH.E181493

¹⁾ Limit values when operated in short-circuit protected network: max. 8 A.
²⁾ May not exceed or fall below U_v tolerances.
³⁾ Without load.
⁴⁾ Q = light switching.
⁵⁾ Signal transit time with resistive load.
⁶⁾ With light/dark ratio 1:1.
⁷⁾ A = V_S connections reverse-polarity protected.
⁸⁾ B = inputs and output reverse-polarity protected.
⁹⁾ C = interference suppression.
¹⁰⁾ As of T_a = 50 °C, a max. supply voltage V_max. = 24 V and a max. load current I_max. = 50 mA is permitted.
¹¹⁾ Operation below Tu –10 °C is possible if the sensor is already switched on at Tu > –10 °C, then cools down, and the supply voltage is subsequently not switched off. Switching on below Tu –10 °C is not permissible.

Safety-related parameters
MTTF_D 424 years (EN ISO 13849-1) ¹⁾

DC_avg 0 %
- ¹⁾ Mode of calculation: Parts-Count-calculation.

Classifications