SICK Background Suppression Photoelectric Sensor, Block Sensor, 4 mm → 120 mm Detection Range
- RS Stock No.:
- 210-3923
- Mfr. Part No.:
- WTB4S-3P3431
- Brand:
- SICK
Subtotal (1 unit)*
£180.58
(exc. VAT)
£216.70
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- 1 unit(s) shipping from 03 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £180.58 |
*price indicative
- RS Stock No.:
- 210-3923
- Mfr. Part No.:
- WTB4S-3P3431
- Brand:
- SICK
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | SICK | |
| Sensor Style | Block | |
| Detection Type | Background Suppression | |
| Detection Range | 4 mm → 120 mm | |
| Output Type | PNP | |
| Electrical Connection | M12 connector with cable | |
| Maximum DC Voltage | 30V | |
| Terminal Type | 4 Pin Connector | |
| Light Source | Red Light | |
| IP Rating | IP66, IP67 | |
| Maximum Current | 100 mA | |
| Response Time | 0.0005 seconds | |
| Minimum Operating Temperature | -40 °C | |
| Series | W4S-3 | |
| Maximum Operating Temperature | +60°C | |
| Housing Material | Plastic | |
| Standards Met | CE Certified, UL Certified | |
Select all | ||
|---|---|---|
Brand SICK | ||
Sensor Style Block | ||
Detection Type Background Suppression | ||
Detection Range 4 mm → 120 mm | ||
Output Type PNP | ||
Electrical Connection M12 connector with cable | ||
Maximum DC Voltage 30V | ||
Terminal Type 4 Pin Connector | ||
Light Source Red Light | ||
IP Rating IP66, IP67 | ||
Maximum Current 100 mA | ||
Response Time 0.0005 seconds | ||
Minimum Operating Temperature -40 °C | ||
Series W4S-3 | ||
Maximum Operating Temperature +60°C | ||
Housing Material Plastic | ||
Standards Met CE Certified, UL Certified | ||
- COO (Country of Origin):
- DE
Overview
At a glance
Best background suppression sensor in its class
Universal use of PinPoint LED technology in all models
BGS proximity sensor with laser-like light spot for precise detection tasks
Reliable setting via 5-turn potentiometer, teach-in pushbutton, teach-in via cable or IO-Link
Flexible sensor settings, monitoring, advanced diagnostics, and visualization thanks to IO-Link
Universal use of PinPoint LED technology in all models
BGS proximity sensor with laser-like light spot for precise detection tasks
Reliable setting via 5-turn potentiometer, teach-in pushbutton, teach-in via cable or IO-Link
Flexible sensor settings, monitoring, advanced diagnostics, and visualization thanks to IO-Link
Your Benefit
Application versatility due to reliable detection of shiny, transparent or jet-black objects
Very quick and easy alignment due to the highly visible, intense PinPoint LED light spot
Rugged mounting system with M3 threaded metal inserts reduces maintenance costs due to a long service life
Background suppression sensors with a laser-like light spot reduce costs and installation of additional protective measures by replacing laser sensors
IO-Link provides easy data access from the PLC
Quick and easy configuration
Quick and easy integration using function blocks
Very quick and easy alignment due to the highly visible, intense PinPoint LED light spot
Rugged mounting system with M3 threaded metal inserts reduces maintenance costs due to a long service life
Background suppression sensors with a laser-like light spot reduce costs and installation of additional protective measures by replacing laser sensors
IO-Link provides easy data access from the PLC
Quick and easy configuration
Quick and easy integration using function blocks
The W4S-3 family of photoelectric sensors offers best-in-class performance in a slim housing design. Universal use of the latest ASIC and PinPoint LED technologies provide maximum reliability in the detection of all objects, including transparent and shiny objects like blisters, e-cards and aluminum cans. Optical axes on the flat side enable simple, space-saving integration in the machine environment - even without separate mounting brackets.
Applications
Access protection with muting on belt conveyors
Checking presence and level monitoring in a vibratory bowl feeder
Checking presence at the dispenser
Integrated object and gap measurement when feeding products
Reliable, cost-effective detection of secondary packaging in harsh environments
Checking presence and level monitoring in a vibratory bowl feeder
Checking presence at the dispenser
Integrated object and gap measurement when feeding products
Reliable, cost-effective detection of secondary packaging in harsh environments
Note
Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.