E3F-5DN2 接近开关产品介绍（中文版）
E3F-5DN2型接近开关是一款基于非接触式检测原理设计的工业级传感器设备，适用于各类自动化控制场景的物体位置检测需求。该产品采用电感式传感技术，能够对金属材质目标物实现稳定可靠的检测，其典型检测距离为5毫米，满足多种工业环境下的精度要求。
在结构设计方面，E3F-5DN2具备紧凑的外形尺寸（直径18mm×长度50mm），可适应狭小空间的安装需求。产品外壳采用工程塑料与金属部件复合结构，在保证机械强度的同时提升了环境耐受性，工作温度范围覆盖-25℃至+70℃，防护等级达到IP67标准要求，可应对粉尘、油污及短时水淋等复杂工况。
电气性能方面，设备支持10-30VDC宽电压输入，输出形式为NPN常开型，最大负载电流200mA，响应频率1kHz。内置短路保护和反极性保护功能，有效降低因接线错误导致的设备故障风险。接线方式采用标准三线制，配有防护型电缆或可拆卸式接插件两种连接方案供选择。
产品适用于机床设备、物流分拣系统、包装机械等自动化设备的定位检测环节，在汽车制造、食品加工、电子装配等领域均有成熟应用案例。设备提供黄色LED状态指示灯，便于现场调试与状态确认。根据使用环境差异，可提供不同线缆长度和外壳材质的定制化服务。
生产厂商通过完善的质量管理体系确保产品一致性，针对不同采购需求提供阶梯式价格方案。建议用户在选型时根据检测物材质、安装空间和电气参数等要素进行综合考量。
E3F-5DN2 Proximity Switch Product Introduction (English Version)
The E3F-5DN2 proximity switch is an industrial-grade non-contact detection device designed for object positioning in automated control systems. Utilizing inductive sensing technology, this sensor reliably detects metallic targets with a standard sensing distance of 5mm, delivering consistent performance across diverse industrial applications.
Featuring a compact cylindrical design (18mm diameter × 50mm length), the device offers flexible installation in space-constrained environments. The hybrid construction combining engineering plastic and metal components ensures mechanical durability while maintaining environmental resistance. With an operational temperature range of -25℃ to +70℃ and IP67 protection rating, it withstands challenging conditions including dust, oil contamination, and temporary water exposure.
Electrical specifications include 10-30VDC power input and NPN normally open output configuration supporting up to 200mA load current. The 1kHz response frequency enables rapid detection cycles. Built-in short-circuit protection and reverse polarity protection enhance operational safety, while three-wire connection options with armored cable or detachable connectors provide installation flexibility.
This sensor is widely implemented in positioning systems for machine tools, logistics sorting equipment, and packaging machinery, with proven applications in automotive manufacturing, food processing, and electronics assembly. A yellow LED status indicator facilitates on-site debugging and operation monitoring. Customizable solutions are available for cable length and housing materials to meet specific application requirements.
Manufacturers maintain product consistency through rigorous quality control processes, offering tiered pricing structures for various procurement scales. Users are advised to consider target material properties, spatial constraints, and electrical specifications during product selection. Technical support teams provide application guidance to ensure optimal system integration.
