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WF2-40B410 Fork Sensors – SICK Sensor

USD $ 149.10


SICK sensor one of the world’s leading producers of sensors and sensor solutions for industrial applications. SICK is a technology and market leader in Factory and Logistics Automation as well as Process Automation. The sensor range are: Laser Sensors, Cylinder Sensors, Photoelectric Sensors, Fork Sensors, Encoders, Color Sensors, Distance Sensor, Contrast Sensor, Color Sensor, Inductive Proximity Sensors, Fiber Optic Sensor with our signature range sick sensor intelligence.

Part Number: 6028428
Fork Sensor Model: WF2-40B410
OEM Spec Ref 


Functional principle Optical detection principle
Dimensions (W x H x D) 10 mm x 32 mm x 57 mm
Housing design (light emission) Fork shaped
Fork width 2 mm
Fork depth 42 mm
Minimum detectable object (MDO) 0.2 mm
Label detection
Light source LED, Infrared light
Wave length 850 nm
Adjustment Plus/minus button (Sensitivity, light/dark switching, key lock)
Teach-in mode
Output function Light/darkswitching, selectable via button


Supply voltage 10 V DC … 30 V DC 1)
Ripple < 10 % 2)
Current consumption 40 mA
Switching frequency 10 kHz 3)
Response time 100 µs
Stability of response time ± 20 µs
Jitter 40 µs
Switching output PNP/NPN
Switching output (voltage) PNP: HIGH = VS– ≤ 2 V / LOW approx. 0 V

NPN: HIGH = approx. VS / LOW ≤ 2 V

Switching mode Light/dark switching
Output current Imax. 100 mA
Initialization time 100 ms
Connection type Male connector M8, 4-pin
Protection class III 4)
Circuit protection UV connections, reverse polarity protected

Output Q short-circuit protected

Interference pulse suppression

Enclosure rating IP65
Weight Approx. 36 g … 160 g 5)
Housing material Metal, Aluminum
  • 1) Limit values, reverse-polarity protected, operation in short-circuit protected network: max. 8 A.
  • 2) May not exceed or fall below Uv tolerances.
  • 3) With light/dark ratio 1:1.
  • 4) Reference voltage DC 50 V.
  • 5) Depending on fork width.


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