--- product_id: 234075533 title: "Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire" brand: "heschen" price: "C$779" currency: NIO in_stock: true reviews_count: 7 category: "Heschen" url: https://www.desertcart.ni/products/234075533-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3 store_origin: NI region: Nicaragua --- # 200mA robust current output 4mm precise detection range 10-30VDC wide voltage compatibility Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire **Brand:** heschen **Price:** C$779 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your automation game with precision sensing that just works! ## Quick Answers - **What is this?** Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire by heschen - **How much does it cost?** C$779 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/234075533-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 - • **Visual Operation Feedback:** Red LED indicator instantly confirms sensor status, eliminating guesswork. - • **Plug & Play PLC Integration:** Directly connects with PLCs with built-in reverse polarity and short-circuit protection. - • **Pinpoint Precision Detection:** Detects magnetic metals within a tight 4mm ±10% range for flawless automation. - • **Versatile Switch Replacement:** Seamlessly substitutes mini and limit switches, streamlining your control systems. - • **Built for Industrial Toughness:** IP67-rated protection ensures reliable performance even in harsh environments. ## Overview The Heschen M12 Inductive Proximity Sensor Switch offers a compact 12mm mounting size with a precise 4mm detection distance. Operating on a wide 10-30VDC range and delivering up to 200mA current, it features NPN normally open output and IP67 protection for durability. Designed for easy PLC integration with built-in protections and a clear red LED status indicator, it’s an economical, reliable choice for industrial presence detection and switch replacement. ## Description Power supply reversal connection protection; short-circuit protection, can directly connect with PLC.Used 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 Review: Works as it should - Fits my four wheeler great and works as it should Review: excelente articulo - muy efectivo el tiempo y el producto ## Features - Mounting Hole Diameter: 12mm - Detecting Distance: 4mm±10%; Set distance: 0-3.6mm - Output Type: NPN NO(Normally Open); Non-Shield Type - Current Output: 200mA; Working Voltage: 10-30 VDC - Detect Object: Magnetic metal ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071ZQ6VV6 | | Best Sellers Rank | #289,634 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #117 in Inductive Proximity Sensors | | Brand | Heschen | | Brand Name | Heschen | | Circuit Type | 1-way | | Compatible Devices | PLCs supporting 10-30 VDC and 200mA current rating | | Connectivity Protocol | X-10 | | Connector Type | Crimp | | Contact Material | Copper | | Contact Type | Normally Open | | Control Type | Presence Detection | | Current Rating | 200 Milliamps | | Customer Reviews | 4.6 out of 5 stars 382 Reviews | | International Protection Rating | IP67 | | Manufacturer | Heschen Electric Co.,Ltd | | Material Type | Aluminum | | Model | HS-LJ12A3-4-Z/BX | | Mounting Type | Surface Mount | | Number of Items | 1 | | Operating Voltage | 20 Volts (DC) | | Operation Mode | ON-OFF | | Part Number | LJ12A3-4-Z/BX | | Smart Home Compatibility | Not Smart Home Compatible | | Switch Type | Limit Switch | | Terminal | Crimp | | UPC | 670534170786 | | Unit Count | 1.0 Count | | Wattage | 6 watts | ## Product Details - **Brand:** Heschen - **Circuit Type:** 1-way - **Connector Type:** Crimp - **Contact Type:** Normally Open - **Current Rating:** 200 Milliamps - **Material:** Aluminum - **Operating Voltage:** 20 Volts (DC) - **Operation Mode:** ON-OFF - **Switch Type:** Limit Switch - **Terminal:** Crimp ## Images ![Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire - Image 1](https://m.media-amazon.com/images/I/61JhN6VUm9L.jpg) ![Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire - Image 2](https://m.media-amazon.com/images/I/6114qIKtuXL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire - Image 3](https://m.media-amazon.com/images/I/51nOmMYfZlL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire - Image 4](https://m.media-amazon.com/images/I/61KsDPEOmYL.jpg) ![Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire - Image 5](https://m.media-amazon.com/images/I/61YqEZZUfnL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works as it should *by A***A on January 1, 2025* Fits my four wheeler great and works as it should ### ⭐⭐⭐⭐⭐ excelente articulo *by H***Y on July 4, 2024* muy efectivo el tiempo y el producto ### ⭐⭐⭐⭐⭐ Fiable *by C***N on March 16, 2025* Muy bueno y fiable ## Frequently Bought Together - Heschen M12 Inductive Proximity Sensor Switch Non-Shield Type LJ12A3-4-Z/BX Detector 4mm 10-30VDC 200mA NPN Normally Open(NO) 3 Wire - FREEDARE Skateboard Wheels 54mm and Bearings Set for Street Tricks (Pack of 4) - Baomain Standard Cylinder SC 63 X 250 G3/8 Bore: 2-1/2 inch, Stroke: 10 inch, Screwed Piston Rod Double-Action and 2Pcs Fittings --- ## 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.ni/products/234075533-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3](https://www.desertcart.ni/products/234075533-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-07-08*