---
product_id: 403124189
title: "2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire"
brand: "dorhea"
price: "₨450"
currency: SCR
in_stock: true
reviews_count: 2
category: "Dorhea"
url: https://www.desertcart.sc/products/403124189-2pcs-lj12a3-4-z-ax-m12-inductive-proximity-switch-sensor
store_origin: SC
region: Seychelles
---

# DC 10-30V wide voltage range 4mm precise detection distance 0.5kHz fast switching frequency 2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire

**Brand:** dorhea
**Price:** ₨450
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your automation game with pinpoint precision and industrial toughness!

## Quick Answers

- **What is this?** 2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire by dorhea
- **How much does it cost?** ₨450 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/403124189-2pcs-lj12a3-4-z-ax-m12-inductive-proximity-switch-sensor)

## 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

- • **Rapid Response:** 0.5kHz switching frequency keeps your processes running at lightning speed.
- • **Power Flexibility:** Operates smoothly across a broad 10-30V DC range to fit your setup.
- • **Robust & Reliable:** Durable metal shell with IP67 protection for industrial-grade resilience.
- • **Effortless Integration:** Standard 3-wire NPN NC output compatible with diverse control systems.
- • **Precision at Your Fingertips:** 4mm detection distance ensures pinpoint accuracy for seamless automation.

## Overview

The LJ12A3-4-Z/AX is a high-performance inductive proximity sensor featuring a 4mm detection range, NPN normally closed output, and a robust metal shell with IP67 rating. Operating on DC 10-30V and supporting up to 0.5kHz switching frequency, it delivers reliable, fast, and precise non-contact metal detection ideal for advanced industrial automation.

## Description

LJ12A3-4-Z/AX Supply Voltage : DC 10-30V Detection distance: 4mm Current Output : 200mA Switching frequency: 0.5KHZ Output Type: NPN NC (normally close) Detect Object: Magnetic metal Cable Length: 115cm/ 45” External Material : ABS + nickel-plated brass Protection Level: IP67 Operating Temperature : -30℃ to 65℃ (non-freezing condition) Wire Type: DC 3 wires - brown (positive electrode), black (output signal), blue (negative electrode) Package include: 2 x LJ12A3-4-Z/AX inductive proximity switch

Review: Good - Good senor
Review: Not 8mm detection distance…. - Actual detection distance is 3.2mm. Not 8mm as advertised. Useless for my 3D printer because doesn’t detect anything at 8mm.

## Features

- LJ12A3-4-Z/AX inductive proximity switch; Theory: Inductive sensor; Wire Type: 3 wire type (brown, blue, black)
- Switch appearance type : Cylinder type, metal shell; Output type : NPN NC (Normally Closed); Detecting distance: 4mm(+/-10%)
- Detect object: Iron; Column sensor diameter: 10.4mm/0.4""""; Thread diameter: 12mm/0.5"""", Total size : 66 x 21mm/ 2.6'' x 0.8'' ; Cable length : 115.5cm/45''
- Supply voltage: DC 10-30V output current : 200mA; Respond Frequency: 0.5KHZ
- LJ12A3-4-Z/AX is a component widely used for detecting, controlling and non-contact switching

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dorhea |
| Part number | 14786-1 |
| Item Weight | 52 g |
| Package Dimensions | 12.2 x 9.6 x 1.9 cm; 52 g |
| Item model number | LJ12A3-4-Z/AX |
| Size | LJ12A3-4-Z/AX |
| Material | Metal |
| Batteries Required? | No |

## Images

![2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire - Image 1](https://m.media-amazon.com/images/I/61+z5UWtmFL.jpg)
![2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire - Image 2](https://m.media-amazon.com/images/I/61J502OvG-L.jpg)
![2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire - Image 3](https://m.media-amazon.com/images/I/61giGgGSCIL.jpg)
![2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire - Image 4](https://m.media-amazon.com/images/I/61wPVhipHCL.jpg)
![2Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire - Image 5](https://m.media-amazon.com/images/I/61yr4BEkaSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by S***A on 6 April 2024*

Good senor

### ⭐ Not 8mm detection distance….
*by D***G on 16 May 2023*

Actual detection distance is 3.2mm. Not 8mm as advertised. Useless for my 3D printer because doesn’t detect anything at 8mm.

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**Shop now:** [https://www.desertcart.sc/products/403124189-2pcs-lj12a3-4-z-ax-m12-inductive-proximity-switch-sensor](https://www.desertcart.sc/products/403124189-2pcs-lj12a3-4-z-ax-m12-inductive-proximity-switch-sensor)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-20*