Photoelectric sensors | W12-3 | WL12-3N1141 | Sensing range max.: 0 m ... 7 m | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: Without reflector minimum distance (autocollimation/coaxial optics) | Switching output: NPN | Switching mode: Light/dark switching | Connection type: Cable, 4-wire, 2 m | Light source: LED | Type of light: Visible red light | Adjustment: Potentiometer | Special features: Without polarisation filter | Housing: Rectangular | Included with delivery: 2 x clamps BEF-KH-W12, incl. screws
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
Without reflector minimum distance (autocollimation/coaxial optics)
Sensing range max.
0 m ... 7 m1)
Sensing range
0 m ... 5 m1)
Light source
LED2)
Type of light
Visible red light
Light spot size (distance)
Ø 100 mm (3 m)
Wave length
640 nm
Adjustment
Potentiometer, 5 turns
Angle of dispersion
Approx. 1.5°
Special features
Without polarisation filter
Items supplied
2 x clamps BEF-KH-W12, incl. screws
MTTFD
1,543 years
DCavg
0 %
Supply voltage UB
10 V DC ... 30 V DC1)
Ripple
< 5 Vpp2)
Current consumption
40 mA3)
Protection class
III
Type
NPN
Switching mode
Light/dark switching
Signal voltage NPN HIGH/LOW
Approx. VS / < 2.5 V
Output current Imax.
≤ 100 mA
Response time
≤ 330 µs4)
Switching frequency
1,500 Hz5)
Output function
Complementary
Circuit protection
A6)C7)D8)
Dimensions (W x H x D)
15.6 mm x 48.5 mm x 42 mm
Connection
Cable, 4-wire, 2 m1)
Conductor size
0.25 mm²
Length of cable (L)
2 m1)
Housing
Metal
Front screen
Plastic, PMMA
Cable
Plastic, PVC
Weight
200 g
Enclosure rating
IP66IP67IP69K
Ambient operating temperature
–40 °C ... +60 °C
Ambient temperature, storage
–40 °C ... +75 °C
UL File No.
NRKH.E181493 & NRKH7.E181493
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
ECOLAB certificate
✔
cULus certificate
✔
Photobiological safety (DIN EN 62471) certificate
✔
ECLASS 5.1.4
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