Photoelectric sensors | W250-2 | WL250-2R1631 | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: With minimum distance to reflector (dual lens system) | Switching output: Relay | Switching mode: Light switching | Connection type: Cable, 5-wire, 5 m | 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 60 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)
Supply voltage UB
24 V DC ... 240 V DC1)24 V AC/DC ... 240 V AC/DC1)
Power consumption
≤ 5 VA
Switching output
Relay, electrically isolated2)
Output function
Change-over contacts
Switching mode
Light switching2)
Switching current (switching voltage)
3 A (240 V AC)3 A (30 V DC)
Response time
≤ 15 ms
Switching frequency
33 Hz3)
Connection type
Cable, 5-wire, 5 m4)
Cable material
Plastic, PVC
Conductor cross section
0.76 mm²
Cable diameter
Ø 6.4 mm
Circuit protection
A5)C6)
Protection class
II7)
Overvoltage category
2
Kaal
330 g
Polarisation filter
✔
Housing material
Plastic, ABS
Optics material
Plastic, PMMA
Enclosure rating
IP67
Items supplied
Reflector P250, BEF-W250 mounting bracket
Usage category
AC-15, DC-13According to EN 60947-1
Electromagnetic compatibility (EMC)
EN 60947-5-28)
Ambient operating temperature
–25 °C ... +55 °C
Ambient temperature, storage
–40 °C ... +70 °C
UL File No.
NRKH2.E300503 & NRKH8.E300503
MTTFD
1,541 years
DCavg
0 %
B10D
68,000 Switching cycles1)
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
CCC certificate
✔
cRUus certificate
✔
Photobiological safety (DIN EN 62471) certificate
✔
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