SICK Background Suppression Photoelectric Sensor, Block Sensor, 4 mm → 120 mm Detection Range

View all Photoelectric Sensors

Subtotal (1 unit)*

£218.80

(exc. VAT)

£262.56

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 08 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£218.80

*price indicative

Photoelectric Sensors to Sensors & Actuator Cables
Don’t Forget the Cables
Photoelectric sensors need the right cables to connect, communicate, and perform reliably. Our range of sensors & actuator cables are designed for secure connections, fast installation, and long-lasting durability. If you're selecting sensors, make sure to explore compatible cables to complete your setup and ensure optimal performance in your application.
Shop Now
RS Stock No.:
210-3911
Mfr. Part No.:
WTB4S-3P2432V
Brand:
SICK
Find similar products by selecting one or more attributes.
Select all

Brand

SICK

Sensor Style

Block

Detection Type

Background Suppression

Detection Range

4 mm → 120 mm

Output Type

PNP

Electrical Connection

M12 Connector

Maximum DC Voltage

30V

Terminal Type

4 Pin Connector

Light Source

Red Light

IP Rating

IP66, IP67, IP68, IP69K

Maximum Current

100 mA

Response Time

0.0005 seconds

Minimum Operating Temperature

-30°C

Housing Material

Stainless Steel

Maximum Operating Temperature

+60°C

Series

W4S-3 Inox

Standards Met

CE Certified, UL Certified

COO (Country of Origin):
DE

Overview


At a glance


WashDown rated for fluid tightness (IP 66, IP 67, IP 68 and IP 69K) and Ecolab certified
Tough stainless steel housing (316L/1.4404)
Resistant to a variety of common cleaning and disinfection agents
Highly visible laser-like light spot due to PinPoint LED
Teach-in via stainless steel pushbutton with a metal membrane
Flexible sensor settings, monitoring, advanced diagnostics, and visualization thanks to IO-Link

Your Benefit


Long service life in harsh conditions ensures less downtime and fewer replacement costs
Quick and easy alignment due to highly visible PinPoint emitter LED
Easy adjustment via a stainless steel metal membrane teach-in pushbutton
IO-Link provides easy data access from the PLC
Quick and easy configuration
Quick and easy integration using function blocks
Easy device replacement and identification

The W4S-3 INOX product family in WashDown design combines rugged watertight IP 69K stainless steel housing with "best-in-class" optical functionality.
These space-saving miniature sensors are able to withstand the most aggressive cleaning agents and disinfectants thanks to a membrane teach-in button that is 100% watertight and pin-cast M12 connections. They can be relied upon for long-term service in critical applications in the food and beverage, pharmaceutical, solar, and electronics industries.

Applications


Detection of solar wafers in harsh cell production environments
Detection of solar wafers in harsh wafer production environments
Detection of the product at the oven outfeed

Note

Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.

Related links