电感式接近开关LJ12A3-4-Z/BX直流12V24V金属感应
产品概述
LJ12A3-4-Z/BX是一款高性能电感式接近开关,采用直流12V-24V供电,专为金属物体检测设计。该产品通过电磁感应原理实现非接触式检测,具有响应速度快、定位精度高、使用寿命长等特点。其圆柱形设计(直径12mm)便于安装,适用于工业自动化控制、机械设备限位检测等多种场景。产品采用NPN三线常开输出方式,工作电压范围宽泛(DC6-36V),能稳定检测4mm距离内的金属目标。1311
技术特点
本产品内置高频振荡器和信号处理电路,当金属物体进入感应区域时,涡流效应使振荡衰减并触发开关信号,检测过程无机械接触,避免了传统限位开关的磨损问题。外壳采用黄铜镀镍材质,检测面为ABS工程塑料,防护等级达IP67,可适应粉尘、油污及潮湿环境。产品支持-30℃至+65℃工作温度,响应频率达0.5kHz,能胜任高速检测任务。其三线制接线设计(棕色线接正极,蓝色线接负极,黑色线为信号输出)简化了安装流程。91617
应用领域
该接近开关广泛应用于机床定位、流水线计数、自动门控制、包装机械等场景。在汽车制造中可用于检测金属部件位置;在物流分拣系统中实现托盘识别;在注塑机上监控模具开合状态。产品兼容PLC控制系统,可直接驱动继电器或逻辑模块,是替代机械行程开关的理想选择。其紧凑结构特别适合空间受限的安装环境,如机械臂关节、数控设备导轨等。111516
英文介绍(English Description)
The LJ12A3-4-Z/BX is an inductive proximity sensor designed for metal object detection with DC 12V-24V power supply. Featuring a 12mm cylindrical housing, this non-contact switch utilizes electromagnetic induction to reliably detect ferrous targets within 4mm range. Its NPN normally-open configuration and wide voltage compatibility (6-36VDC) ensure stable performance in industrial automation systems. The brass-nickel plated body with IP67 protection resists harsh conditions including dust, moisture, and oil contamination. With 0.5kHz response frequency and -30℃~65℃ operating temperature range, it excels in high-speed applications like CNC machinery, conveyor systems, and robotic positioning. The three-wire connection (brown+/blue-/black signal) simplifies integration with control circuits. Ideal for replacing mechanical limit switches, this sensor provides maintenance-free operation through its wear-free design. Typical applications include part presence verification, equipment safety interlocks, and automated assembly line monitoring. The compact size allows installation in confined spaces while maintaining precise detection of moving metal components.3916
电感式接近开关LJ12A3-4-Z/BX直流12V24V金属感应




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