SICK UFN3-70B413 Ultrasonic Fork Sensor (6049678)

The SICK UFN3-70B413 is a compact ultrasonic fork sensor specifically engineered for label detection applications. With a narrow 3 mm fork width, 2-point teach-in, and reliable ultrasonic detection, it ensures precise and contactless detection of even the thinnest transparent labels on high-speed packaging lines.

Technical Specifications

Model: UFN3-70B413 SICK
Part No.: 6049678
Product Type: Ultrasonic Fork Sensor
Detection Principle: Ultrasonic through-beam within fork slot
Application: Label detection and edge detection on packaging lines

Optical & Detection Performance

Fork Width: 3 mm
Fork Depth: 69 mm
Minimum Detectable Object (MDO): Label gaps or label size ≥ 2 mm
Label Detection: Supported
Teach-In Modes:

• 2-point teach-in
• Dynamic teach-in

Adjustment Interface: Plus/minus buttons for sensitivity and switching mode
Switching Mode: Light/dark switching (selectable)

Electrical Interface

Supply Voltage (UB): 10 V DC to 30 V DC
Ripple: < 10%
Current Consumption: 40 mA
Initialization Time: 100 ms

Output Type: PNP / NPN selectable
Output Voltage (PNP): HIGH = UV ≤ 2 V / LOW ≈ 0 V
Output Voltage (NPN): HIGH ≈ UV / LOW ≤ 2 V
Max Output Current (Imax): 100 mA
Response Time: 250 µs
Switching Frequency: 1.5 kHz

Connection Type: M8 male connector, 4-pin
Protection Class: III
Circuit Protection: Short-circuit protected output, interference suppression

Mechanical Data

Enclosure Rating: IP65

Housing Design: Fork-shaped sensor body
Dimensions (W x H x D): 18 mm × 47.5 mm × 92.5 mm
Weight: Approx. 95 g

Housing Material: Aluminum (metal body for robust performance)

Environmental Conditions

Operating Temperature: –25 °C to +55 °C (typical)
Storage Temperature: –40 °C to +75 °C

Certificates and Compliance

• European Conformity (CE)
• UKCA Certified
• cULus Listed
• RoHS Compliant

Applications

Ideal For:

• Transparent and opaque label detection
• High-speed label dispensing machines
• Narrow-gap material edge detection
• Web guiding systems in packaging or converting

Key Features & Benefits

✅ Ultrasonic Precision: Reliably detects clear, metallic, or irregular labels using sound waves.

✅ Narrow Fork Width: 3 mm opening for high-precision label edge detection.

✅ Fast Response Time: 250 µs with 1.5 kHz switching frequency for high-speed applications.

✅ Easy Setup: Teach-in buttons for fast calibration and switching mode configuration.

✅ Rugged Design: Aluminum housing and IP65 rating for industrial durability.

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