Photoelectric sensors | W34 | WT34-R250 | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression | Switching output: Relay | Switching mode: Light switching, Dark switching | Connection type: Terminal connection with M16 gland | Light source: LED | Adjustment: Potentiometer | Communication interface: -
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Dimensions (W x H x D)
27 mm x 92 mm x 70 mm
Housing design (light emission)
Rectangular
Sensing range max.
100 mm ... 1,200 mm1)
Sensing range
100 mm ... 1,200 mm
Type of light
Visible red light
Light source
LED2)
Light spot size (distance)
Ø 40 mm (1,200 mm)
Wave length
660 nm
Adjustment
Potentiometer
Supply voltage UB
20 V AC/DC ... 250 V AC/DC
Power consumption
< 2 VA
Switching output
Relay, electrically isolated1)
Output function
Change-over contacts
Switching mode
Light switching, Dark switching1)
Switching mode selector
Selectable via light/dark selector
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)
Response time
≤ 10 ms
Switching frequency
10 Hz2)
Time functions
Switch-on delayOff delayAdjustable
Delay time
Adjustable via time delay selector switch, 0.5 s ... 10 s
Connection type
Terminal connection with M16 gland
Circuit protection
A3)C4)
Protection class
II5)
Weight
140 g
Housing material
Plastic, ABS
Enclosure rating
IP67
Usage category
AC-15, DC-13According to EN 60947-1
Ambient operating temperature
–40 °C ... +60 °C
Ambient temperature, storage
–40 °C ... +75 °C
UL File No.
NRKH.E181493 & NRKH7.E181493
MTTFD
487 years
DCavg
0 %
TM(mission time)
20 years
B10D
59,123 Switching cycles1)
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
CCC certificate
✔
cULus 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
EC002719
UNSPSC 091201.0
32151804
UNSPSC 100501.0
32151804
UNSPSC 111201.0
32151804
UNSPSC 120901.0
32151804
UNSPSC 131201.0
32151804
UNSPSC 140801.0
32151804
UNSPSC 151101.0
32151804
UNSPSC 160901.0
32151804
UNSPSC 171001.0
32151804
UNSPSC 180801.0
32151804
UNSPSC 190501.0
32151804
UNSPSC 200601.0
32151804
UNSPSC 210901.0
32151804
UNSPSC 220601.0
32151804
UNSPSC 230701.0
32151804
UNSPSC 240301.0
32151804
UNSPSC 250901.0
32151804
UNSPSC 260801.0
32151804
Download Datasheet
Manuals, CAD models, certificates and other materials are available on the manufacturer's website:
Open product page on manufacturer's website