Photoelectric sensors | W27 | WTB27-3S3711 | Sensing range max.: 30 mm ... 1,600 mm | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression | Switching output: Relay | Switching mode: Light switching | Connection type: Cable with Q7 male connector, 7-pin, AC/UC-coded | Adjustment: Potentiometer
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Dimensions (W x H x D)
24.6 mm x 80.6 mm x 54 mm
Housing design (light emission)
Rectangular
Sensing range max.
30 mm ... 1,600 mm1)
Sensing range
100 mm ... 1,600 mm
Type of light
Infrared light
Light source
LED2)
Light spot size (distance)
Ø 25 mm (800 mm)
Wave length
880 nm
Adjustment
Potentiometer
Supply voltage UB
20 V AC/DC ... 250 V AC/DC1)
Current consumption
40 mA2)
Power consumption
≤ 2.5 VA
Switching output
Relay, electrically isolated3)
Output function
Change-over contacts
Switching mode
Light switching
Switching current (switching voltage)
4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 250 V DCUL: 4 A @ 250 V AC, general use / 4 A @ 250 V AC, resistive (NO) / 3 A @ 250 V AC, resistive (NC) / 4 A @ 24 V DC, NO, general use / 3 A @ 24 V DC, NC, general use / R300 / B300 (NO contacts only) / 0 °C ... +60 °C
Response time
≤ 10 ms
Switching frequency
10 Hz4)
Connection type
Cable with Q7 male connector, 7-pin, AC/UC-coded, 150 mm
Cable material
Plastic, PVC
Circuit protection
A5)C6)
Protection class
II7)
Weight
140 g
Housing material
Plastic, ABS
Optics material
Plastic, PMMA
Enclosure rating
IP66IP67
Usage category
AC-15, DC-13According to EN 60947-1
Ambient operating temperature
–40 °C ... +60 °C8)
Ambient temperature, storage
–40 °C ... +75 °C
UL File No.
NRKH.E181493 & NRKH7.E181493
MTTFD
698 years
DCavg
0 %
B10D
65,693 Switching cycles1)
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
CCC certificate
✔
ECOLAB certificate
✔
cULus certificate
✔
Photobiological safety (DIN EN 62471) certificate
✔
ECLASS 5.0
27270904
ECLASS 5.1.4
27270904
ECLASS 6.0
27270904
ECLASS 6.2
27270904
ECLASS 7.0
27270904
ECLASS 8.0
27270904
ECLASS 8.1
27270904
ECLASS 9.0
27270904
ECLASS 10.0
27270904
ECLASS 11.0
27270904
ECLASS 12.0
27270903
ETIM 5.0
EC002719
ETIM 6.0
EC002719
ETIM 7.0
EC002719
ETIM 8.0
EC002719
UNSPSC 16.0901
39121528
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