---
product_id: 438314747
title: "3Pcs 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"
brand: "dorhea"
price: "€ 22.33"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/438314747-3pcs-lj12a3-4-z-ay-m12-approach-sensor-inductive-proximity
store_origin: HR
region: Croatia
---

# 4mm Detecting Range DC 6-36V Power 300mA Output Current 3Pcs 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

**Brand:** dorhea
**Price:** € 22.33
**Availability:** ✅ In Stock

## Summary

> 🔍 Discover the Future of Automation!

## Quick Answers

- **What is this?** 3Pcs 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 by dorhea
- **How much does it cost?** € 22.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/438314747-3pcs-lj12a3-4-z-ay-m12-approach-sensor-inductive-proximity)

## Best For

- dorhea enthusiasts

## Why This Product

- Trusted dorhea brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Design:** Crafted with durable ABS material, ensuring longevity and reliability in demanding environments.
- • **Easy Integration:** Designed with a 3-wire setup for seamless installation in your projects.
- • **Precision Detection:** Experience pinpoint accuracy with a 4mm detection range, perfect for your 3D printing needs.
- • **Versatile Applications:** Ideal for automation in various industries, from mechanical to light manufacturing.
- • **Smart Sensing Technology:** Equipped with an intelligent sensing chip for rapid and sensitive object detection.

## Overview

The LJ12A3-4-Z/AY is a high-performance inductive proximity sensor switch designed for a wide range of applications, including 3D printer bed leveling and industrial automation. With a detection range of 4mm and a robust ABS construction, this sensor operates on a DC voltage of 6-36V and delivers a current output of 300mA, making it a reliable choice for modern automation needs.

## Description

3Pcs 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

## Features

- LJ12A3-4-Z/AY (PNP NC) inductive proximity switch; Wire Type : DC 3 Wire Type (Black, Brown, Blue); Switch Appearance Type : Cylinder Type
- LJ12A3-4-Z/AY inductive proximity switch supply voltage : DC 6-36V; Current Output : 300mA;Detect Object : Iron
- M12 approach sensor theory: Inductive Sensor;Output Type: PNP NC; Diameter of column Sensor: 12mm; Detecting distance : 4mm±10%
- Inductive proximity switch sensitive detection: ABS material detection surface, the built-in intelligent sensing chip of the proximity switch can sensitively detect objects, when proximity switch is close to single target object, it will send control signal
- LJ12A3-4-Z/AY application: It is a component widely used in automatic control industry for detecting, controlling, and contactless switching. It is widely used in mechanical automation, 3D printer probe bed leveling, paper making, light industry for limiting station, orientation taking count, speeding trial etc.

## Images

![3Pcs 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 - Image 1](https://m.media-amazon.com/images/I/71lZiwaT4qL.jpg)

## Available Options

This product comes in different **Size** options.

---

## 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.hr/products/438314747-3pcs-lj12a3-4-z-ay-m12-approach-sensor-inductive-proximity](https://www.desertcart.hr/products/438314747-3pcs-lj12a3-4-z-ay-m12-approach-sensor-inductive-proximity)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-20*