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WTB4-3P3161F20

The SICK WTB4-3P3161F20 is a versatile cylindrical photoelectric sensor designed for reliable object detection in various industrial automation applications. Featuring through-beam technology, this sensor provides precise and stable detection even in challenging environmental conditions

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Key Parameters
Sensing Performance:

Sensing Principle: Through-beam

Light Source: Infrared light (880 nm)

Sensing Range: 0-15 m

Response Time: ≤ 1.5 ms

Light Beam Type: Modulated pulsed light

Electrical Specifications:

Operating Voltage: 10-30 V DC

Current Consumption: ≤ 40 mA (transmitter), ≤ 35 mA (receiver)

Output Type: PNP normally open (NO)

Output Current: ≤ 100 mA

Voltage Drop: ≤ 2.5 V DC

Connection: M12 4-pin quick-disconnect connector

Mechanical Specifications:

Housing Material: Brass, nickel-plated

Protection Rating: IP67

Dimensions: Ø18 × 54 mm (both transmitter and receiver)

Weight: ~80 g per unit

Mounting: M18 × 1 threaded barrel

Environmental Ratings:

Operating Temperature: -25°C to +60°C

Storage Temperature: -40°C to +80°C

Ambient Light Immunity: ≤ 10,000 Lux

Optical Specifications:

Transmitter Type: Infrared LED

Receiver Type: Phototransistor

Beam Alignment: Visual alignment aid

Key Features:
Long Sensing Range: Up to 15 meters detection distance

High Reliability: Through-beam technology for stable operation

Environmental Resistance: IP67 protection for harsh environments

Quick Response: 1.5 ms response time

Easy Installation: M18 threaded design

Strong Anti-interference: Modulated light technology

Typical Applications:

Conveyor belt systems

Material handling equipment

Packaging machinery

Automated storage systems

Object counting applications

Safety protection systems