Photoelectric sensors | W4 | WTB4S-3N2131 | Sensing range max.: 4 mm ... 120 mm | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression | Switching output: NPN | Switching mode: Light switching | Connection type: Connector M8, 3-pin | Light source: PinPoint LED | Type of light: Visible red light | Housing material: ABS | Adjustment: Potentiometer | Housing: Rectangular
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Sensing range max.
4 mm ... 120 mm1)
Sensing range
10 mm ... 120 mm1)
Light source
PinPoint LED2)
Type of light
Visible red light
Light spot size (distance)
Ø 2.5 mm (50 mm)
Wave length
650 nm
Adjustment
Potentiometer, 5 turns
MTTFD
1,078 years
DCavg
0 %
TM(mission time)
20 years
Supply voltage UB
10 V DC ... 30 V DC1)
Ripple
< 5 Vpp2)
Current consumption
20 mA3)
Protection class
III
Type
NPN
Switching mode
Light switching
Output current Imax.
≤ 100 mA
Response time
< 0.5 ms4)
Switching frequency
1,000 Hz5)
Circuit protection
A6)C7)D8)
Design detail
Slim
Dimensions (W x H x D)
12.2 mm x 41.8 mm x 17.3 mm
Connection
Connector M8, 3-pin
Housing
Plastic, ABS
Front screen
Plastic, PMMA
Kaal
30 g
Enclosure rating
IP67IP66
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
✔
Photobiological safety (DIN EN 62471) certificate
✔
ECLASS 5.1.4
27270903
ECLASS 6.0
27270903
ECLASS 7.0
27270903
ECLASS 8.0
27270903
ECLASS 9.0
27270903
ECLASS 10.0
27270903
ECLASS 11.0
27270903
ECLASS 12.0
27270903
ECLASS 13.0
27270903
ECLASS 14.0
27270903
ECLASS 15.0
27270903
ETIM 6.0
EC002719
ETIM 7.0
EC002719
ETIM 8.0
EC002719
ETIM 9.0
EC002719
ETIM 10.0
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