LJA12M-5N1电感式接近开关产品介绍
产品概述
LJA12M-5N1是一款基于电磁感应原理设计的非接触式检测装置，采用直流三线制NPN输出结构，常开型（NO）工作模式，适用于工业自动化领域中对金属物体的可靠检测。该产品为非埋入式安装设计，通过电磁场变化感知目标物，无需物理接触即可实现精准的位置感应，有效减少机械磨损，延长使用寿命。
核心特点
- 稳定检测性能：内置高频振荡电路，对铁磁性金属具备良好的检测灵敏度，检测距离达2mm±10%，适应多种工业场景需求。
- 环境适应性：采用环氧树脂全密封工艺，防护等级达到IP67，可耐受-25℃至+70℃工作温度，抗油污、粉尘及振动干扰。
- 电路保护设计：内置反接保护与过载防护机制，支持10-30VDC宽电压输入，输出电流≤200mA，兼容主流PLC控制系统。
- 便捷安装：圆柱形M12螺纹结构（长度40mm），配备LED状态指示灯，支持轴向或径向安装方式，便于现场调试维护。
技术参数
• 输出类型：NPN三线常开（NO）
• 检测物体：铁磁性金属（如钢、铁）
• 工作电压：DC 10-30V±10%
• 空载电流：≤10mA
• 响应频率：200Hz
• 导线规格：2米PVC护套线（棕色线：电源+，蓝色线：电源-，黑色线：信号输出）
应用领域
本产品广泛应用于自动化生产线定位、机床安全防护、物流分拣系统、包装机械控制等场景，特别适用于需要非接触检测的金属部件位置反馈、设备运行状态监控等工业控制环节。
安全提示
安装时需确保传感器与金属物体间无强电磁干扰源，保持检测面清洁。接线前请仔细核对电源极性，避免反向连接。
LJA12M-5N1 Inductive Proximity Switch Introduction
Product Overview
The LJA12M-5N1 is a non-contact detection device based on electromagnetic induction principle, featuring DC 3-wire NPN output configuration with normally open (NO) operation mode. Designed for non-flush mounting applications, this sensor reliably detects metallic objects in industrial automation systems through electromagnetic field variation, eliminating mechanical wear for extended service life.
Key Features
- Stable Detection: Equipped with high-frequency oscillation circuit, providing 2mm±10% sensing distance for ferrous metals with optimized sensitivity.
- Robust Construction: Epoxy encapsulated housing achieves IP67 protection rating, operational in -25℃ to +70℃ environments with resistance to oil, dust and vibration.
- Circuit Protection: Built-in reverse polarity and overload protection supports 10-30VDC wide voltage input, delivering ≤200mA output current for PLC compatibility.
- Installation Flexibility: M12 cylindrical threaded housing (40mm length) with dual-color LED status indicator allows axial or radial mounting orientations.
Technical Specifications
• Output Type: NPN 3-wire NO
• Target Material: Ferrous metals (steel, iron)
• Supply Voltage: DC 10-30V±10%
• No-load Current: ≤10mA
• Response Frequency: 200Hz
• Cable: 2m PVC jacket (Brown: +V, Blue: -V, Black: Signal)
Applications
Ideal for position sensing in automated production lines, machine tool safety systems, logistics sorting equipment and packaging machinery. Particularly suitable for metal component detection and equipment status monitoring requiring contactless operation.
Safety Notice
Maintain clean sensing surface and avoid strong electromagnetic interference sources during installation. Verify power supply polarity before wiring to prevent reverse connection.
（总字数：中英文各约420字）
