Photoelectric sensors | W27 | WL27-3R2631 | Sensing range max.: 0.1 m ... 15 m | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: With minimum distance to reflector (dual lens system) | Switching output: Relay | Switching mode: Light/dark switching | Connection type: Male connector Q6, 6-pin, AC/UC-coded | Adjustment: Potentiometer
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
With minimum distance to reflector (dual lens system)
Dimensions (W x H x D)
24.6 mm x 80.6 mm x 54 mm
Housing design (light emission)
Rectangular
Sensing range max.
0.1 m ... 15 m1)
Sensing range
0.1 m ... 11 m1)
Focus
Approx. 1.5°
Type of light
Visible red light
Light source
LED2)
Light spot size (distance)
Ø 220 mm (10 m)
Angle of dispersion
Approx. 1.5°
Wave length
660 nm
Adjustment
Potentiometer
Supply voltage UB
20 V AC/DC ... 250 V AC/DC1)
Power consumption
≤ 2.5 VA
Switching output
Relay, electrically isolated2)
Output function
Change-over contacts
Switching mode
Light/dark switching
Switching mode selector
Selectable via time delay selector switch
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 Hz3)
Time functions
Switch-on delayOff delaySwitch on delay and time delay off
Delay time
Adjustable via time delay selector switch, 0.5 s ... 10 s
Connection type
Male connector Q6, 6-pin, AC/UC-coded
Circuit protection
A4)C5)
Protection class
II6)
Kaal
120 g
Polarizing filter
✔
Housing material
Plastic, ABS
Optics material
Plastic, PMMA
Enclosure rating
IP65
Usage category
AC-15, DC-13According to EN 60947-1
Ambient operating temperature
–40 °C ... +60 °C7)
Ambient temperature, storage
–40 °C ... +75 °C
UL File No.
NRKH.E181493 & NRKH7.E181493
MTTFD
707 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
27270902
ECLASS 5.1.4
27270902
ECLASS 6.0
27270902
ECLASS 6.2
27270902
ECLASS 7.0
27270902
ECLASS 8.0
27270902
ECLASS 8.1
27270902
ECLASS 9.0
27270902
ECLASS 10.0
27270902
ECLASS 11.0
27270902
ECLASS 12.0
27270902
ETIM 5.0
EC002717
ETIM 6.0
EC002717
ETIM 7.0
EC002717
ETIM 8.0
EC002717
UNSPSC 16.0901
39121528
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