SICK WSE12-3P2431 Photoelectric Sensor (1041459)

The SICK WSE12-3P2431 is a compact, high-performance photoelectric sensor designed for reliable object detection in industrial environments. Featuring background suppression technology and easy installation, it is ideal for a wide range of automation, packaging, and material handling applications where precision and durability are critical.

Technical Specifications

Model: WSE12-3P2431
Part Number: SICK 1041459
Product Type: Photoelectric Proximity Sensor with Background Suppression
Sensing Principle: Photoelectric detection
Light Source: PinPoint LED, visible red light
Sensing Range: 50 mm to 250 mm
Adjustment: Potentiometer, 5-turns
Output Type: PNP, Light/dark switching
Switching Frequency: 1,000 Hz
Response Time: 500 µs
Hysteresis: 3% to 15% of sensing range

Electrical Interface

Supply Voltage: 10 V DC to 30 V DC (Ripple ±10 %)
Power Consumption: ≤ 30 mA
Switching Output: PNP, short-circuit protected
Connection Type: 4-pin, M12 connector
Signal Type: Switching signal (binary)
Protection Class: III (EN 61140)

Mechanical Data

Enclosure Rating: IP67, IP69K (according to IEC 60529 and DIN 40050)
Housing Material: ABS plastic with enhanced mechanical resistance
Lens Material: PMMA (acrylic glass)
Dimensions (W x H x D): 15 mm x 49 mm x 41.5 mm
Weight: Approx. 100 g
Mounting: Through-hole mounting, M3 screws

Safety-Related Data

Short-Circuit Protection: Yes
Overvoltage Protection: Yes
Reverse Polarity Protection: Yes
EMC: EN 60947-5-2 compliance

Ambient Conditions

Operating Temperature: -25 °C to +55 °C (-13 °F to 131 °F)
Storage Temperature: -40 °C to +75 °C (-40 °F to 167 °F)
Ambient Light Immunity: 5,000 Lux (incandescent)
Vibration Resistance: 10 g (10 Hz to 55 Hz, IEC 60068-2-6)
Shock Resistance: 30 g (11 ms, IEC 60068-2-27)

Certificates and Compliance

• European Conformity (CE)
• UK Conformity Assessed (UKCA)
• cULus Listed (UL 508)
• RoHS Compliance

Applications

Ideal For:

• Conveyor and packaging line object detection
• Machine automation and presence sensing
• Assembly lines with background suppression needs
• Robotics end-effector object sensing
• Small parts detection in tight spaces

Key Features & Benefits

✅ Reliable Background Suppression: Accurate detection independent of object color or material.

✅ Fast Response: 1,000 Hz switching frequency for high-speed applications.

✅ Easy Adjustment: 5-turn potentiometer for precise setup.

✅ Compact and Robust: Slim housing fits into tight spaces while ensuring IP67/IP69K protection.

✅ Versatile Installation: Flexible mounting and industry-standard M12 connection.

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