【E3F-R2N1 接近开关 产品介绍（中文版）】
E3F-R2N1 接近开关是一款广泛应用于工业自动化领域的非接触式检测装置，采用电磁感应原理实现对金属物体的稳定探测。其设计注重实用性与环境适应性，可满足多种场景下的位置检测、物体计数或设备保护需求。产品结构紧凑，外壳采用工程材料制成，具备良好的抗冲击性和耐腐蚀性，适合在粉尘、油污或湿度较高的工况环境中长期使用。
该型号接近开关采用直流供电模式，支持10-30V宽电压输入范围，兼容性较强。输出端配置NPN常开型信号，便于与PLC、控制器等设备快速对接。检测距离为2mm，响应时间短，能有效提升自动化系统的检测精度与响应效率。内置过载保护电路，可避免因接线错误或电压波动导致的设备损坏，进一步延长使用寿命。
安装方式灵活，提供螺纹固定与支架安装两种选择，支持水平或垂直方向调节，适应不同机械结构的安装需求。产品表面经过特殊工艺处理，指示灯设计可直观显示工作状态，便于现场调试与故障排查。典型应用场景包括机床定位、传送带物料检测、自动化包装设备及安全防护系统等。其稳定性能可减少设备维护频率，帮助用户优化生产效率。
【E3F-R2N1 Proximity Sensor Product Introduction (English Version)】
The E3F-R2N1 proximity sensor is a non-contact detection device widely used in industrial automation systems. Utilizing electromagnetic induction technology, it provides reliable detection of metallic objects without physical contact. The compact housing is constructed with industrial-grade materials, offering resistance to mechanical impact and corrosion, making it suitable for prolonged operation in challenging environments such as areas with dust, oil contaminants, or high humidity.
This sensor operates on a DC power supply with a wide voltage range of 10-30V, ensuring compatibility with various control systems. Equipped with an NPN normally open output configuration, it facilitates seamless integration with PLCs and other industrial controllers. The 2mm detection distance and rapid response time enhance the precision and efficiency of automated processes. Integrated overload protection circuitry safeguards the device against potential damage caused by wiring errors or voltage fluctuations, thereby extending operational lifespan.
Installation flexibility is achieved through both threaded mounting and bracket attachment options, allowing horizontal or vertical orientation adjustments to accommodate diverse mechanical configurations. The housing surface features a specially treated finish, while the built-in status indicator enables real-time operational monitoring for simplified field debugging. Typical applications encompass machine tool positioning, conveyor belt material detection, automated packaging systems, and safety interlock mechanisms. Its consistent performance contributes to reduced maintenance requirements and improved production line efficiency.
