$ 251.85
High-precision SICK WTF12-3N2433 photoelectric sensor with foreground suppression for reliable detection of flat or low-contrast objects in demanding automation.
The SICK WTF12-3N2433 photoelectric sensor is engineered for accurate and stable detection in automation environments where precision is critical. Its foreground suppression technology maintains consistent sensing from 30 mm to 175 mm, ensuring reliable performance even on shiny, dark, or low-contrast surfaces. The compact metal housing, paired with a bright red LED spot, supports easy alignment and dependable operation in space-restricted installations. Built to tolerate harsh industrial use with IP66/IP67 protection and a wide temperature range, this model effectively addresses common detection issues such as inconsistent reflections, component variability, and challenging material textures.
The WTF12-3N2433 boosts process stability through rapid signal response and high switching frequency, enabling smooth operation in fast-moving production lines. Its foreground suppression ensures the sensor focuses precisely on the intended detection zone, minimizing false triggers caused by background surfaces or environmental variations. The dual teach-in interface allows quick setup, making adjustments straightforward even for inexperienced operators. With its durable construction and reliable electronics, the sensor performs consistently in applications such as packaging, small-part detection, and automated positioning tasks. It enhances productivity by reducing manual intervention, improving detection accuracy, and maintaining stable operation under demanding industrial conditions.
The WTF12-3N2433 is designed for environments where flawless detection is essential but difficult to achieve. Its intelligent foreground suppression and precise red-light spot ensure stable performance even on irregular, shiny, or low-contrast objects. Compact, rugged, and fast, it brings consistent accuracy to automated systems where space is tight and reliability is non-negotiable.
This model eliminates the common failures seen in conventional sensors—unstable readings, false triggers, and sensitivity to changing backgrounds or surface colors. It ensures the target is detected cleanly and repeatedly, regardless of contrast or texture. By reducing detection errors and setup complexity, it helps production lines maintain high throughput with fewer interruptions.
| Feature | Details | Benefit |
|---|---|---|
| Functional Principle | Photoelectric proximity sensor with foreground suppression | Accurate detection even when backgrounds vary or are reflective |
| Sensing Range | 30 mm to 175 mm (stable on low-contrast targets) | Reliable detection of flat, dark, glossy, or uneven surfaces |
| Light Source | Visible red LED, 640 nm wavelength | Easy visual alignment and consistent signal performance |
| Light Spot Size | Ø 2 mm at 60 mm distance | Sharp targeting improves precision in small-object detection |
| Adjustment Method | Double teach-in button | Fast installation and repeatable calibration |
| Switching Output | NPN, complementary light/dark switching | Flexible integration into various machine control designs |
| Response Time | ≤ 330 μs with up to 1,500 Hz switching frequency | Supports high-speed processes with minimal delay |
| Operating Voltage | 10–30 V DC with low ripple tolerance | Stable operation even with electrical noise present |
| Current Consumption | Approx. 45 mA (no load) | Energy-efficient and suitable for multi-sensor setups |
| Housing Material | Robust metal body with PMMA front screen | Long-lasting durability in industrial environments |
| Connection Type | M12, 4-pin male connector | Standardized, secure, and easy to replace cabling |
| Enclosure Rating | IP66/IP67 protection | Proven resistance to dust, water spray, and washdown conditions |
| Operating Temperature | –40°C to +60°C | Reliable in cold storage, outdoor environments, and hot machinery |
| Safety & Compliance | ECOLAB certified, cULus approved, China RoHS compliant | Suitable for chemical zones, food production, and regulated industries |
| MTTFD | 747 years (theoretical) | Proven long-term dependability and minimal risk of failure |
| Included Accessories | 2× BEF-KH-W12 clamps with mounting screws | Ready-to-install package reduces setup time |
| Special Application Capability | Optimized for detecting flat objects | Excellent performance on packaging films, labels, sheets, and wafers |
| Dimensions (W × H × D) | 15.6 × 48.5 × 42 mm | Compact form factor ideal for tight machine layouts |
Download SICK WTF12-3N2433 (1041409) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084140860 |
| Country of Origin | Hungary |
| Weight | 116 g |
In packaging and converting systems, thin sheets such as labels, cartons, and laminated materials often pass through rapidly and vary in finish from glossy to matte. Conventional sensors may react inconsistently due to shifting reflectivity, leading to double-feeds or uncounted sheets. The WTF12-3N2433 counters this by maintaining a controlled sensing field that isolates the target, ensuring stability even when surfaces change. Its crisp red-light spot helps the machine detect edges with greater reliability. This produces smoother feeding, reduces scrap, and minimizes stoppages—especially valuable in production lines that frequently switch materials or run at high cycle speeds.
Assembly cells often handle components that are dark, textured, or highly absorbent, making them difficult for standard sensors to detect consistently. When a machine cannot confirm part presence, it risks misalignment or failed assembly steps. The WTF12-3N2433 overcomes this by focusing on the intended detection area rather than relying on surface reflectivity. Its rapid switching capability keeps up with robotic arms and linear slides moving at high speeds. By delivering stable detection of low-contrast components, it helps maintain assembly accuracy, reduces error-related downtime, and supports repeatable quality in electronics, automotive, and consumer product manufacturing.
Diverter systems in distribution centers must time their movements precisely when items of different shapes and reflectivities pass by. Traditional sensors may struggle to differentiate the product from the conveyor surface, causing premature or delayed actuation. The WTF12-3N2433 provides a consistent detection window that is less influenced by surface finish or packaging variation, enabling the system to react more accurately. Its strong metal housing withstands vibrations from busy conveyor lines. With more dependable detection signals, diverters mis-route fewer items, reduce congestion, and improve overall sorting efficiency, particularly in facilities with wide-ranging parcel sizes and mixed materials.
Vertical form-fill-seal machines rely on precise film tracking to maintain tension and alignment. Reflective or printed films can cause conventional sensors to misread the film’s position, leading to wrinkling, skewing, or poor sealing quality. The WTF12-3N2433 maintains steady detection regardless of gloss level or print pattern by controlling how the sensing field interacts with the film surface. Its tight light spot helps pinpoint the film’s edge or loop height accurately. With reliable feedback, tension regulators respond more effectively, reducing film waste and lowering the frequency of manual adjustments. This boosts line efficiency in food, pharmaceutical, and consumer goods packaging operations.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Mounting Bracket – Large | BEF-WG-W12 | 2013942 | Sturdy stainless-steel bracket for fixed mounting; ideal for vibration-prone machines; maintains stable sensor position. |
| Universal Clamp Plate | BEF-KHS-N11N | 2071081 | Versatile mounting plate with universal clamp; supports flexible angle adjustments; useful for complex machine layouts. |
| Sensor Cable (PVC, 5 m) | YF2A14-050VB3XLEAX | 2096235 | Durable PVC cable with M12 4-pin female connector; suited for clean industrial zones; simple plug-and-operate integration. |
| Sensor Cable (PUR, 5 m) | YF2A14-050UB3XLEAX | 2095608 | Oil-resistant PUR cable ideal for robotics and drag chain applications; high flexibility and long service life. |
| Field-Installable Terminal Connector (Female) | DOS-1204-G | 6007302 | M12 female connector with screw terminals; enables custom cable lengths; suitable for on-site assembly. |
| Field-Installable Terminal Connector (Male) | STE-1204-G | 6009932 | M12 male connector with screw terminals; useful for retrofits and maintenance; supports 4-wire sensor wiring. |
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Warranty – 1-year warranty for your peace of mind.
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