--- product_id: 53971180 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 (1)" brand: "heschen" price: "€ 15.31" currency: EUR in_stock: true category: "Heschen" url: https://www.desertcart.com.cy/products/53971180-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3 store_origin: CY region: Cyprus --- # IP67 waterproof & dustproof rating 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 (1) **Brand:** heschen **Price:** € 15.31 **Availability:** ✅ In Stock ## Summary > 🔍 Detect with confidence, perform with precision! ## 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 (1) by heschen - **How much does it cost?** € 15.31 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/53971180-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 - • **LED Status Indicator:** Bright red LED instantly confirms sensor activation, keeping you in control and informed. - • **Smart Safety Features:** Built-in reverse polarity and short-circuit protection for worry-free integration with PLCs and controllers. - • **Durable IP67 Protection:** Waterproof and dustproof design guarantees uninterrupted performance in harsh environments. - • **Robust Voltage Flexibility:** Operates seamlessly between 10-30VDC, perfect for diverse industrial and DIY setups. - • **Pinpoint Precision Detection:** Reliable 4mm sensing distance with ±10% accuracy ensures flawless metal detection every time. ## Overview The Heschen M12 Inductive Proximity Sensor Switch offers a compact 12mm mounting design with a precise 4mm detection range, supporting 10-30VDC operation and 200mA current output. Featuring IP67-rated protection, it withstands tough industrial environments while providing reliable NPN Normally Open output. Its built-in safety protections and LED status indicator make it an ideal, cost-effective replacement for traditional limit switches in automation and sensing applications. ## 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: 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 | | Actuator Type | Push Button | | Best Sellers Rank | 59,560 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 22 in Inductive Proximity Sensors | | Brand | Heschen | | Circuit Type | 3-way | | Colour | Blue | | Connectivity Protocol | Bluetooth | | Connector Type | Crimp, Screw In | | Contact Material | Copper | | Contact Type | Normally Open | | Control Method | Remote | | Controller Type | Push Button | | Country Of Origin | China | | Current Rating | 200 Milliamps | | Customer Reviews | 4.3 4.3 out of 5 stars (392) | | International Protection Rating | IP67 | | Manufacturer | Heschen Electric Co.Ltd | | Manufacturer Part Number | LJ12A3-4-Z/BX | | Material | Metal | | Model Number | HS-LJ12A3-4-Z/BX | | Mounting Type | Panel Mount | | Number of Items | 1 | | Number of Positions | 1 | | Operating Voltage | 30 Volts | | Operation Mode | automatic | | Specification Met | IP67 | | Switch Type | Limit Switch | | Terminal | Screw | | UPC | 670534170786 | | Unit Count | 1.0 count | | Wattage | 6 watts | ## Product Details - **Brand:** Heschen - **Circuit type:** 3-way - **Connector type:** Crimp, Screw In - **Contact type:** Normally Open - **Current rating:** 200 Milliamps - **Material:** Metal - **Operating voltage:** 30 Volts - **Operation mode:** automatic - **Switch type:** Limit Switch - **Terminal:** Screw ## 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 (1) - Image 1](https://m.media-amazon.com/images/I/61JhN6VUm9L.jpg) ## Available Options This product comes in different **Item Package Quantity** options. ## Questions & Answers **Q: could you tell me the operating frequency please i need at least 220hz** A: This is a inductive proximity detector and it is DC voltage.. no frequency involved. ## 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.com.cy/products/53971180-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3](https://www.desertcart.com.cy/products/53971180-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-11-15*