--- product_id: 94978571 title: "Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue" brand: "heschen" price: "€ 12.74" currency: EUR in_stock: true url: https://www.desertcart.be/products/94978571-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3 store_origin: BE region: Belgium --- # IP67 waterproof & dustproof rating 4mm precise detection range 10-30 VDC wide voltage compatibility Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue **Brand:** heschen **Price:** € 12.74 **Availability:** ✅ In Stock ## Summary > 🔵 Precision sensing that keeps your automation ahead of the curve! ## Quick Answers - **What is this?** Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue by heschen - **How much does it cost?** € 12.74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/94978571-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3) ## Best For - heschen enthusiasts ## Why This Product - Trusted heschen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pinpoint Accuracy:** Detects magnetic metal objects within a tight 4mm ±10% range for flawless automation. - • **Robust Power Handling:** Operates seamlessly across 10-30 VDC with 200mA current output, ensuring stable performance. - • **Plug & Play Reliability:** Built-in power reversal and short-circuit protection for hassle-free integration with PLCs. - • **Visual Status Indicator:** Red LED instantly confirms sensor activity, keeping your system status crystal clear. - • **Durable Industrial Grade:** IP67-rated protection means it thrives in harsh environments—dust tight and water resistant. ## Overview The Heschen M12 Inductive Proximity Sensor Switch is a compact, non-shield type sensor designed for detecting magnetic metal objects within a 4mm range. It supports a wide voltage input of 10-30 VDC and delivers a 200mA PNP normally open output. With IP67 protection, power reversal and short-circuit safeguards, plus a clear red LED status indicator, it offers reliable, industrial-grade performance ideal for seamless integration with PLC systems in demanding environments. ## Description Power supply reversal connection protection; short-circuit protection, can directly connect with PLCUsed in common places with medium enviroment resistanceRed LED indicates that it's available to detect the sensor operation stateEconomic and simple operationWidely used, can be substitution of min-type switch and limit switchIP 67 protection ## Features - Mounting Hole Diameter: 12mm;Cable length: 120cm/48" - Detecting Distance: 4mm±10%;Set distance: 0-3.6mm - Output Type: PNP NO(Normally Open);Non-shield Type - Current Output: 200mA;Working Voltage: 10-30 VDC - Detect Object: Magnetic Metal ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071FR2R85 | | Antenna Location | industrial automation, intrusion detection, automated machinery | | Battery Description | Battery operated, type not specified | | Best Sellers Rank | 66,056 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 46 in Inductive Proximity Sensors | | Brand | Heschen | | Colour | Red | | Compatible Devices | [PLC] | | Customer Reviews | 4.4 4.4 out of 5 stars (136) | | Manufacturer | Heschen Electric Co.Ltd | | Maximum Range | 4 Millimetres | | Model Number | HS-LJ12A3-4-Z/BY | | Mounting Type | Pole Mount | | Part Number | LJ12A3-4-Z/BY | | Power source | Corded Electric | | Temperature Range | -2E+1 Degrees Celsius | | UPC | 670534170779 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Heschen - **Colour:** Red - **Maximum range:** 4 Millimetres - **Mounting type:** Pole Mount - **Power source:** Corded Electric ## Images ![Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue - Image 1](https://m.media-amazon.com/images/I/61XwXWwJ0SL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue - Image 2](https://m.media-amazon.com/images/I/61UPJaNuZOL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue - Image 3](https://m.media-amazon.com/images/I/51faWpA6FyL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue - Image 4](https://m.media-amazon.com/images/I/61KsDPEOmYL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue - Image 5](https://m.media-amazon.com/images/I/61c-yyZO6DL.jpg) ## Frequently Bought Together - Heschen M12 Inductive Proximity Sensor Switch, Non-shield Type, LJ12A3-4-Z/BY Detector, 4mm, 10-30 VDC, 200mA, PNP NO, 3 Wire, Magnetic Metal, IP67, Blue - 2Pcs LJ12A3-4-Z/AY M12 Approach Sensor Inductive Proximity Sensor Switch Detector Non-Shield Type PNP NC DC 6-36V 200mA 4mm Detecting Distance 3 Wire for 3D Printer Probe Bed Leveling,MCU Board --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/94978571-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3](https://www.desertcart.be/products/94978571-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-05-07*