$ 51.29
SICK IM12-04NNS-ZWB inductive proximity sensor with 4 mm sensing range, M12 housing, non-flush mounting, and fast response for industrial automation.
The SICK IM12-04NNS-ZWB inductive proximity sensor is a compact M12 cylindrical sensor engineered for dependable detection of metallic objects without physical contact. Designed with a 4 mm sensing range and non-flush installation, it addresses common reliability issues found in mechanical switches, such as wear, contamination, and misalignment. The sensor combines fast response behavior with a rugged metal housing, making it suitable for automation systems where precision, durability, and consistent switching performance are essential.
The SICK IM12-04NNS-ZWB delivers repeatable detection in dynamic industrial environments where vibration, temperature changes, and electrical noise are present. Its rapid switching capability supports monitoring of moving parts and short cycle times, while integrated protection functions help prevent electrical damage during startup or fault conditions. The nickel-plated brass housing enhances mechanical strength and resistance to harsh conditions, and the extended cable simplifies panel and machine wiring. These advantages make it a practical sensing solution for long-term operation in production lines, handling systems, and automated equipment.
Why SICK IM12-04NNS-ZWB?
The SICK IM12-04NNS-ZWB stands out for engineers who need dependable metal detection in tight spaces without compromising reliability. Its compact M12 form factor, fast response behavior, and robust metal housing make it ideal for continuous industrial operation. Designed for non-flush mounting, it delivers stable sensing performance even when targets are uneven, moving quickly, or exposed to vibration, ensuring consistent machine feedback and long service life.
What problem does it solve?
The SICK IM12-04NNS-ZWB eliminates common failures caused by mechanical switches and unreliable sensing in harsh environments. It solves inaccurate detection, premature wear, and downtime by providing contactless metal detection that remains stable under dust, oil, vibration, and temperature changes. This allows machines to maintain precise positioning, reduce maintenance interventions, and sustain high production efficiency over extended operating cycles.
| Feature | Details | Benefit |
|---|---|---|
| Sensor Type | Inductive proximity sensor | Reliable, contactless detection of metal objects |
| Housing Size | M12 cylindrical, Ø12 mm | Easy integration into compact machines |
| Sensing Range | 4 mm | Accurate detection at close distances |
| Installation Type | Non-flush (non-embedded) | Improved sensing performance in metal surroundings |
| Switching Output | NPN, Normally Open (NO) | Compatible with common industrial control systems |
| Switching Frequency | Up to 2,000 Hz | Suitable for fast-moving targets and high-speed processes |
| Electrical Wiring | DC 3-wire | Simple and widely supported wiring scheme |
| Supply Voltage | 10 to 30 V DC | Flexible use across standard industrial power supplies |
| Output Current | Up to 200 mA | Directly drives PLC inputs and control circuits |
| Response Time | ≤ 100 ms on power-up | Fast readiness after system startup |
| Repeatability | ≤ 2% | Consistent and precise switching behavior |
| Environmental Protection | IP67 rated | Reliable operation in dusty, wet, or oily environments |
| Operating Temperature | –25 °C to +70 °C | Stable performance across wide temperature ranges |
| Housing Material | Nickel-plated brass | High mechanical strength and corrosion resistance |
| Sensing Face Material | Plastic | Durable surface with stable sensing characteristics |
| Mechanical Length | 50 mm housing, 35 mm thread length | Secure mounting with standard accessories |
| Connection Type | Fixed cable, 3-wire, 5 m length | Simplifies installation in control cabinets |
| Shock & Vibration Resistance | High resistance to mechanical stress | Suitable for harsh industrial machinery |
| Safety Reliability | Very high MTTFd value | Supports long-term, maintenance-friendly operation |
Download SICK IM12-04NNS-ZWB (6026527) Datasheet
| Commercial Data | Details |
|---|---|
| Weight | 128 g |
| Country of Origin | Italy |
In conveyor and material handling systems, the SICK IM12-04NNS-ZWB is well suited for detecting metal carriers, stop tabs, or pallet fixtures used to control flow and prevent congestion. Its fast switching capability supports high-speed conveyor lines where short detection windows are common. The non-flush M12 design allows stable mounting near steel frames without false triggering, while the IP67-rated housing withstands dust, vibration, and occasional wash-down. By providing consistent, contactless detection, the sensor helps eliminate mechanical wear points, reduces unplanned stoppages, and ensures smoother accumulation control in packaging, logistics, and intralogistics environments.
In automated machines using pneumatic cylinders, the IM12-04NNS-ZWB can confirm full extension or retraction by sensing a metal target attached to the moving element. The 4 mm sensing range is ideal for compact actuator designs where space is limited and precise positioning matters. Because detection is contactless, there is no mechanical fatigue or alignment drift over time. The robust metal housing resists oil mist and vibration commonly found in assembly stations, while the wide DC voltage range allows easy integration into both new machines and retrofit projects, improving reliability and repeatability of motion control.
Rotary indexing tables and cam-driven mechanisms rely on accurate position feedback to synchronize downstream operations. The IM12-04NNS-ZWB can detect metal slots, tabs, or timing plates to confirm index completion before the next process step begins. Its high switching frequency enables reliable detection even at higher rotational speeds, supporting tight cycle times. Electrical protection features help prevent sensor damage during frequent start-stop sequences, while the fixed cable connection reduces the risk of intermittent faults in vibrating environments. This makes it a dependable solution for packaging machines, assembly automation, and inspection equipment.
In assembly and inspection cells, the sensor is commonly used to verify that metal fixtures, jigs, or guard elements are correctly positioned before allowing machine operation. This prevents cycle starts when parts are missing or misaligned, reducing scrap and protecting tooling. The non-flush mounting option is especially useful in dense machine layouts with nearby metal structures. With strong resistance to shock, vibration, and environmental exposure, the sensor maintains stable operation on robot bases, feeder systems, and compact workstations, providing a simple yet reliable condition check that improves overall process safety and consistency.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Mounting System (Clamping Block, fixed stop) | BEF-KHF-M12 | 2051480 | Fast, repeatable sensor positioning for M12 round sensors; fixed stop helps maintain consistent sensing distance and alignment. |
| Mounting System (Clamping Block, no fixed stop) | BEF-KH-M12 | 2051479 | Flexible mounting for M12 sensors when you need adjustable positioning; simplifies retrofits and tight mechanical layouts. |
| Mounting System (Mounting Plate) | BEF-WG-M12 | 5321869 | Strong, stable base mounting on flat surfaces; useful for panels, machine frames, and structured brackets. |
| Mounting System (Mounting Bracket) | BEF-WN-M12 | 5308447 | Practical bracket mounting for quick installation and sensor re-orientation; ideal for conveyors, guards, and machine side frames. |
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