接近开关， LJ2L-15-4/121 价格

产品概述

LJ2L-15-4/121是一款高性能电感式接近开关，采用非接触式检测技术，专为工业自动化应用设计。该产品通过电磁感应原理实现金属物体的精准检测，检测距离可达15mm，适用于机床、冶金、化工等多种场景。其核心由振荡器、开关电路和放大输出电路组成，当金属目标进入感应区域时，内部涡流效应触发信号输出，响应频率高且稳定性强。外壳采用ABS材质，防护等级达IP67，具备防水、防震和耐腐蚀特性，可适应-30℃至+65℃的工作环境。113

技术特点

该接近开关支持直流6-36V宽电压输入，额定电流400mA，功耗低至13mA以下。产品设计注重实用性，提供常开或常闭输出选项，并内置逆连接保护、浪涌吸收等电路防护功能。其检测面采用耐磨材料，标准检测物体为45×45×1mm铁质材料，重复定位精度高，滞后距离小于检测距离的10%。独特的结构设计使得安装调整便捷，可直接替代传统机械式行程开关，减少维护需求。58

应用场景

LJ2L-15-4/121广泛应用于自动化生产线中的位置检测、计数控制和限位保护。在包装机械中可实现物料到位检测，在数控机床上用于刀具定位，在物流分拣系统中完成金属物体识别。其非接触式工作原理避免了机械磨损，特别适合高频次操作的场景，如汽车焊接流水线或食品灌装设备。产品兼容PLC控制系统，能无缝集成到各类工业自动化解决方案中。1315

产品优势

与同类产品相比，该接近开关以稳定的性能和较长的使用寿命著称。交变磁场技术确保检测稳定性，不受环境光线或粉尘影响。紧凑的圆柱形结构（具体尺寸需参考厂商资料）适合空间受限的安装环境。产品经过严格测试，在高温、高湿等严苛条件下仍能保持可靠运行，为用户提供持续稳定的检测服务。124

Product Introduction

The LJ2L-15-4/121 inductive proximity sensor is designed for non-contact metal detection in industrial automation. With a sensing range of 15mm, it utilizes electromagnetic field technology to reliably detect ferrous targets without physical contact. The robust ABS housing provides IP67 protection against dust and water ingress, making it suitable for challenging environments including manufacturing plants and material handling systems. Key components include an oscillator, switching circuit and amplified output stage for precise signal conversion.113

Technical Specifications

Operating on 6-36VDC power supply, this sensor consumes less than 13mA current while delivering 400mA output capacity. It features selectable NO/NC configurations and built-in protection against reverse polarity and voltage spikes. The device maintains stable performance across -30°C to +65°C temperature ranges, with ±10% detection distance tolerance. Standard detection is optimized for 45×45×1mm iron plates, achieving high repeatability with minimal hysteresis. The compact cylindrical design facilitates easy mounting in space-constrained applications.58

Typical Applications

Ideal for position verification in CNC machining centers, this sensor excels in conveyor belt monitoring, robotic arm positioning, and automated assembly line controls. Its oil-resistant construction suits hydraulic machinery, while the non-contact principle eliminates mechanical wear in high-cycle operations like stamping presses. The sensor integrates seamlessly with PLCs and control systems for diverse automation tasks including object counting, presence checking and safety interlocks.1315

Performance Highlights

This sensor distinguishes itself through consistent operation in demanding conditions. The oscillating magnetic field ensures immunity to ambient light interference and particulate contamination. Durable construction materials extend service life in vibration-intensive environments such as mining equipment. Users benefit from maintenance-free operation and reduced downtime compared to mechanical limit switches. The product s reliability has been verified in extensive industrial field tests.124

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