Product Model
WL34-R240

Selling Points
- 1High operating reserve at a long range minimizes downtime.
- 2Adjustable time delay and alarm output provide early warning for maintenance needs.
- 3Test input allows users to validate sensor operation.
- 4Universal AC/DC voltage reduces the number of part numbers needed.
- 5Compact design with 90° rotatable M12 or terminal chamber connection.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Functional principle | Photoelectric retro-reflective sensor | Functional principle detail | With minimum distance to reflector (dual lens system) |
Dimensions (W x H x D) | 27 mm x 92 mm x 70 mm | Housing design (light emission) | Rectangular |
Sensing range max. | 0.03 m ... 22 m | Sensing range | 0.03 m ... 15 m |
Type of light | Visible red light | Light source | LED |
Light spot size (distance) | Ø 250 mm (15 m) | 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 isolated |
Output function | Change-over contacts | Switching mode | Light switching, Dark switching |
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 DC#!#UL: 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 Hz |
Time functions | Off delay#!#Switch-on delay#!#Adjustable | 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 | II | Weight | 140 g |
Polarisation filter | ✔ | Housing material | Plastic, ABS |
Enclosure rating | IP67 | Ambient operating temperature | –40 °C ... +60 °C |
Ambient temperature, storage | –40 °C ... +75 °C | UL File No. | NRKH.E181493 & NRKH7.E181493 |
Specifications may be subject to change without notice