---
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: "KD 3.18"
currency: KWD
in_stock: true
reviews_count: 1
category: "Heschen"
url: https://www.desertcart.com.kw/products/94978571-heschen-m12-inductive-proximity-sensor-switch-non-shield-type-lj12a3
store_origin: KW
region: Kuwait
---

# 10-30 VDC wide voltage compatibility 4mm precise detection range IP67 waterproof & dustproof rating 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:** KD 3.18
**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?** KD 3.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/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

- • **Seamless PLC Integration:** Directly connects to PLC systems with PNP NO output, simplifying your industrial automation setup.
- • **Visual Operation Assurance:** Integrated red LED indicator confirms sensor status at a glance, eliminating guesswork.
- • **Built to Brave the Elements:** IP67-rated casing ensures reliable performance in dusty, wet, or industrial environments.
- • **Pinpoint Precision Detection:** Detects magnetic metal objects within a sharp 4mm ±10% range for flawless automation.
- • **Plug & Play Power Flexibility:** Operates seamlessly across a broad 10-30 VDC voltage range with built-in short-circuit and reverse polarity protection.

## Overview

The Heschen M12 Inductive Proximity Sensor Switch offers a compact 12mm mounting size with a reliable 4mm detection distance for magnetic metals. Featuring IP67 protection, it withstands harsh industrial environments while delivering stable PNP NO output compatible with PLC systems. Its wide 10-30 VDC operating voltage and built-in protections ensure durability and easy integration, making it a cost-effective solution for modern automated machinery.

## 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

Review: Total rubbish - Stopped working after a few weeks. Do not reccomend.

## 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 |
| Battery description | Battery operated, type not specified |
| Best Sellers Rank | 39,634 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 21 in Inductive Proximity Sensors |
| Brand | Heschen |
| Colour | Blue |
| Compatible Devices | [PLC] |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 129 Reviews |
| Item Weight | 0.04 Kilograms |
| Item weight | 0.04 Kilograms |
| Manufacturer | Heschen Electric Co.Ltd |
| Mounting Type | Pole Mount |
| Mounting type | Pole Mount |
| Power source | Corded Electric |
| UPC | 670534170779 |

## Product Details

- **Brand:** Heschen
- **Colour:** Blue
- **Power source:** Corded Electric
- **Item weight:** 0.04 Kilograms
- **Mounting type:** Pole Mount

## 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/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 2](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 3](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 4](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 5](https://m.media-amazon.com/images/I/61c-yyZO6DL.jpg)

## Customer Reviews

### ⭐ Total rubbish
*by S***B on 4 November 2023*

Stopped working after a few weeks. Do not reccomend.

## Frequently Bought Together

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- 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

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-01-23*