Wengart M18 Inductive Proximity Sensor Switch PNP Normally Open,LJ18A3-5-Z/BY DC 10-30V 5mm Sensing Distance, Shielded Flush-Mountable 3-Wire Metal Detector Switch for CNC,DIY Projects, IP65

Descripción

The Professional Standard for Reliable Motion FeedbackMechanical limit switches are prone to clogging from coolant and metal shavings. The Wengart LJ18A3-5-Z/BY Shielded Proximity Sensor offers a high-performance, non-contact solution that excels where others fail. By utilizing a shielded electromagnetic head, this M18 sensor focuses its detection field directly forward, making it the top choice for CNC milling machines, automated sorting lines, and precision metalwork projects.Why Pros Choose Wengart Shielded Sensors:Flush Mounting Mastery: Ideal for recessed mounting in tight spaces. Since the tip is shielded, it is not affected by the metal of its own mounting bracket.Inductive Detection Excellence: Specifically optimized for magnetic metals (Iron/Steel). It provides a razor-sharp response for end-of-travel limits and object detection.Rock-Solid Stability: Engineered to minimize signal drift, ensuring your machine's homing position remains consistent even during long operational shifts.Direct Solutions to Technical Questions - FAQ (Rufus AI Optimized):Q: What is the benefit of PNP over NPN? A: It depends on your controller. This is a PNP (Sourcing) sensor. When it detects metal, the black wire sends a Positive (+) voltage. Most modern industrial PLCs prefer this logic for enhanced safety and easier troubleshooting. Q: Will it sense Aluminum or Copper? A: Yes, but with a "Reduction Factor." The 5mm range is rated for Iron and Steel. For non-magnetic metals like Aluminum, the sensing distance typically reduces to 30-45% of the rated range. Always test your target material for precision. Q: Does it work with a 5V logic board? A: This sensor requires a DC 10-30V power source. If your controller uses 5V logic, you may need a voltage divider or optocoupler to ensure the signal is read correctly without damaging your board. Technical Specifications:Model: LJ18A3-5-Z/BY (Shielded)Output Type: PNP NO (Normally Open)Sensing Distance: 5mm (Target: Iron/Steel)Voltage: DC 10-30V (3-Wire)Current Output: 300mASwitching Frequency: 0.5KHz (500Hz)Dimensions: M18 x 1mm Thread / 60mm Length

Características

• Precision Flush-Mount Technology: Designed for clean, integrated installations. Unlike unshielded sensors that require a large clearance zone, the Wengart LJ18A3-5-Z/BY is a shielded model. This allows you to mount it "flush" (level) with your metal mounting plate without accidental "ghost" triggering from the sides—perfect for compact CNC gantry and robotic arm setups.
• Reliable PNP Normally Open Logic: This 3-wire DC sensor features PNP NO (Normally Open) logic, providing a Positive (+) signal output when metal is detected. It is the professional choice for modern PLCs and industrial controllers that require "Sourcing" inputs. Pro-Tip: Please verify your system requires PNP logic rather than NPN (Sinking) to ensure immediate compatibility.
• Industrial-Grade IP65 Durability: Built to survive the rigors of a busy workshop. The high-impact nickel-plated brass shell and IP65 protection rating mean this switch is resistant to oil, dust, and moisture splashes. It is a rugged "workhorse" for continuous duty in automated packaging lines, metal stamping machines, and humid DIY enclosures.
• High-Speed & Non-Contact Response: With a rapid 0.5KHz (500Hz) response frequency and no moving parts to wear out, this inductive sensor is a superior replacement for mechanical microswitches. It provides a stable, repeatable 5mm sensing range, reducing downtime and mechanical fatigue in high-speed spindle monitoring and conveyor counting.
• Simplified 3-Wire Wiring Guide: Eliminate the guesswork during installation. Following universal industry standards, the 3.9ft cable uses a clear color code: Brown (Positive 10-30V), Blue (Negative/Ground), and Black (PNP Signal Output). This transparency ensures a "first-time-right" setup for both experienced technicians and DIY hobbyists.

Especificaciones