Photoelectric sensors | W250-2 | WL250-2F2431 | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: With minimum distance to reflector (dual lens system) | Switching output: PNP | Switching mode: Light switching | Connection type: Male connector M12, 4-pin | Light source: LED | Adjustment: Potentiometer | Communication interface: - | Included with delivery: Reflector P250, BEF-W250 mounting bracket
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
With minimum distance to reflector (dual lens system)
Dimensions (W x H x D)
20 mm x 65 mm x 43.9 mm
Housing design (light emission)
Rectangular
Sensing range max.
0.01 m ... 15 m1)0.01 m ... 12 m2)
Sensing range
0.01 m ... 13 m1)0.01 m ... 11 m2)
Focus
Approx. 2°
Type of light
Visible red light
Light source
LED3)
Light spot size (distance)
Ø 260 mm (8 m)
Angle of dispersion
Approx. 2°
Adjustment
Potentiometer, 2 turns4)
Special features
Pin 2 not assigned
Supply voltage UB
10 V DC ... 30 V DC1)
Ripple
< 5 Vpp2)
Current consumption
20 mA3)
Switching output
PNP
Switching mode
Light switching
Output current Imax.
≤ 100 mA
Response time
≤ 0.5 ms4)
Switching frequency
1,000 Hz5)
Connection type
Male connector M12, 4-pin6)
Circuit protection
A7)B8)C9)D10)
Protection class
III
Poids
40 g
Polarisation filter
✔
Housing material
Plastic, ABS
Optics material
Plastic, PMMA
Enclosure rating
IP67
Items supplied
Reflector P250, BEF-W250 mounting bracket
Electromagnetic compatibility (EMC)
EN 60947-5-211)
Ambient operating temperature
–25 °C ... +55 °C
Ambient temperature, storage
–40 °C ... +70 °C
UL File No.
NRKH2.E300503 & NRKH8.E300503
MTTFD
1,686 years
DCavg
0 %
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
cRUus certificate
✔
Photobiological safety (DIN EN 62471) certificate
✔
ECLASS 5.1.4
27270903
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ECLASS 11.0
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