---
product_id: 650459240
title: "Heschen M12 Inductive Proximity Sensor Switch Shield Type LJ12A3-4-Z/BY Detector 4 mm 10-30VDC 200mA PNP Normally Open (NO) 3-Wire"
brand: "heschen"
price: "VT5601"
currency: VUV
in_stock: true
reviews_count: 5
category: "Heschen"
url: https://www.desertcart.vu/products/650459240-heschen-m12-inductive-proximity-sensor-switch-shield-type-lj12a3-4
store_origin: VU
region: Vanuatu
---

# 200 mA current output 4 mm detection range 10-30 VDC operating voltage Heschen M12 Inductive Proximity Sensor Switch Shield Type LJ12A3-4-Z/BY Detector 4 mm 10-30VDC 200mA PNP Normally Open (NO) 3-Wire

**Brand:** heschen
**Price:** VT5601
**Availability:** ✅ In Stock

## Summary

> 🔍 Elevate your automation game with pinpoint precision and rock-solid reliability!

## Quick Answers

- **What is this?** Heschen M12 Inductive Proximity Sensor Switch Shield Type LJ12A3-4-Z/BY Detector 4 mm 10-30VDC 200mA PNP Normally Open (NO) 3-Wire by heschen
- **How much does it cost?** VT5601 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/650459240-heschen-m12-inductive-proximity-sensor-switch-shield-type-lj12a3-4)

## 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

- • **Built-in Protection:** Reverse polarity and short circuit safeguards ensure worry-free integration.
- • **Robust 200mA Output:** Delivers reliable current output to power your control systems effortlessly.
- • **IP67 Rated Durability:** Dust-tight and waterproof for consistent performance in demanding environments.
- • **Precision Sensing at 4 mm:** Detect iron objects with pinpoint accuracy for flawless automation.
- • **Wide Voltage Compatibility:** Operates seamlessly between 10-30 VDC to fit diverse industrial setups.

## Overview

The Heschen M12 Inductive Proximity Sensor Switch (LJ12A3-4-Z/BY) offers a 4 mm detection distance with PNP normally open output, operating on 10-30 VDC and delivering 200 mA current. Designed for iron object detection, it features reverse polarity and short circuit protection, an LED status indicator, and an IP67 rating for dust and water resistance, making it a versatile, durable choice for industrial automation and PLC integration.

## Description

Protection for reverse connection of the power source; short circuit protection, can be directly connected to a PLC. Used in common places with medium environmental resistance. The red LED indicates that the operating status of the sensor can be detected Easy and cost-effective operation Widely used, can replace the minute switch and limit switch. Protection class IP 67.

Review: Llega a tiempo, funcionando como era de esperar.
Review: Preis-Leistungsverhältnis perfekt.

## Features

- Mounting hole diameter: 12 mm
- Detection distance: 4 mm
- Operating voltage: 10-30 VDC, current output: 200 mA
- Output Type: PNP NO (Normally Open)
- Detect Object: Iron

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071FR2R85 |
| Item model number | HS-LJ12A3-4-Z/BY |
| Manufacturer | Heschen Electric Co.Ltd |
| Package Dimensions | 9.3 x 5.9 x 2.1 cm; 40 g |

## Product Details

- **Brand:** Heschen
- **Colour:** yellow
- **Item weight:** 0.04 Kilograms
- **Mounting type:** Pole Mount
- **Power source:** Battery Powered

## Images

![Heschen M12 Inductive Proximity Sensor Switch Shield Type LJ12A3-4-Z/BY Detector 4 mm 10-30VDC 200mA PNP Normally Open (NO) 3-Wire - Image 1](https://m.media-amazon.com/images/I/61XwXWwJ0SL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***O on 2 July 2025*

Llega a tiempo, funcionando como era de esperar.

### ⭐⭐⭐⭐⭐ Review
*by A***H on 4 May 2025*

Preis-Leistungsverhältnis perfekt.

### ⭐⭐⭐⭐⭐ Review
*by G***O on 28 January 2026*

Détecteur correspond à mes besoins; Très bon rapport qualité-prix. Vue son coût par rapport à d'autres, vieillira t-il ????

## 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

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**Shop now:** [https://www.desertcart.vu/products/650459240-heschen-m12-inductive-proximity-sensor-switch-shield-type-lj12a3-4](https://www.desertcart.vu/products/650459240-heschen-m12-inductive-proximity-sensor-switch-shield-type-lj12a3-4)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-23*