Photoelectric sensors | W27 | WTB27-3R2641 | Sensing range max.: 30 mm ... 1,100 mm | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression | Switching output: Relay | Switching mode: Light/dark switching | Connection type: Male connector Q6, 6-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 ... 1,100 mm1)
Sensing range
100 mm ... 1,100 mm
Type of light
Visible red light
Light source
LED2)
Light spot size (distance)
Ø 15 mm (500 mm)
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
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
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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