---
product_id: 56681218
title: "E3JK 4m Retro-Reflective DC 12-24V NC Photoelectric Sensor Switch | E3JK-R4M2 relay mechanism, reflector panel matched circuit, commercial garage door opener, security entrance gates"
brand: "heschen"
price: "₩45068"
currency: KRW
in_stock: true
reviews_count: 4
url: https://www.desertcart.kr/products/56681218-e3jk-4m-retro-reflective-dc-12-24v-nc-photoelectric-sensor
store_origin: KR
region: South Korea
---

# 12-24VDC 4M range 3A 250VAC E3JK 4m Retro-Reflective DC 12-24V NC Photoelectric Sensor Switch | E3JK-R4M2 relay mechanism, reflector panel matched circuit, commercial garage door opener, security entrance gates

**Brand:** heschen
**Price:** ₩45068
**Availability:** ✅ In Stock

## Summary

> 🔍 See the Future of Detection!

## Quick Answers

- **What is this?** E3JK 4m Retro-Reflective DC 12-24V NC Photoelectric Sensor Switch | E3JK-R4M2 relay mechanism, reflector panel matched circuit, commercial garage door opener, security entrance gates by heschen
- **How much does it cost?** ₩45068 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/56681218-e3jk-4m-retro-reflective-dc-12-24v-nc-photoelectric-sensor)

## 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

- • **Robust Output:** Handles up to 3A at 250VAC for reliable performance.
- • **Versatile Voltage:** Compatible with a wide range of 12-24VDC power supplies.
- • **Precision Detection:** Experience unparalleled accuracy with feedback reflection technology.
- • **User-Friendly Design:** Easy installation with included reflector panel for immediate use.
- • **Long-Range Capability:** Detects objects up to 4 meters away effortlessly.

## Overview

The Heschen Photoelectric Switch E3JK-R4M2 is a cutting-edge device designed for precise detection of opaque objects within a 4-meter range. Operating on a versatile 12-24VDC supply, it features a robust relay output capable of handling 3A at 250VAC, making it ideal for various industrial applications. Its feedback reflection type detection method ensures accuracy and reliability, while the included reflector panel simplifies installation.

## Description

HeschenPhotoelectric Switch, E3JK-R4M2, DC 12-24V, Feedback Reflection Type, Detection Distance 4M, with Reflector Panel

## Features

- Supply Voltage: 12-24VDC, Output: 3A 250VAC
- Detection Method: Feedback Reflection Type
- Relay Output: DC non-illuminate
- Detection Target: Opaque Object
- Detection Range: 4M

## Images

![E3JK 4m Retro-Reflective DC 12-24V NC Photoelectric Sensor Switch | E3JK-R4M2 relay mechanism, reflector panel matched circuit, commercial garage door opener, security entrance gates - Image 1](https://m.media-amazon.com/images/I/512W0BDmlNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Sucessful for my application
  

*by J***D on Reviewed in the United Kingdom 🇬🇧 on 28 February 2020*

Alignment a little tricky

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    As expected. Worth its money!
  

*by R***N on Reviewed in the United Kingdom 🇬🇧 on 1 November 2019*

Very useful!

### ⭐ 1.0 out of 5 stars







  
  
    Not working
  

*by M***W on Reviewed in the United Kingdom 🇬🇧 on 22 April 2019*

Didn’t work

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**Shop now:** [https://www.desertcart.kr/products/56681218-e3jk-4m-retro-reflective-dc-12-24v-nc-photoelectric-sensor](https://www.desertcart.kr/products/56681218-e3jk-4m-retro-reflective-dc-12-24v-nc-photoelectric-sensor)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-09-04*