3SG3275/1KJ31-N 接近开关产品介绍（中英文）
中文介绍：
3SG3275/1KJ31-N型接近开关是一款适用于工业自动化领域的高性能检测装置，采用非接触式感应技术，可实现对金属物体的可靠检测。该产品设计紧凑，外壳采用工程塑料材质，表面经过特殊工艺处理，具有耐油污、抗冲击的特性，适用于多种工业环境。
在技术参数方面，本产品支持直流供电模式，工作电压范围覆盖10-30VDC，提供NPN/PNP两种输出类型选择。感应距离经过优化设计，可根据不同应用场景保持稳定检测性能。产品内置温度补偿电路，能够在-25℃至+70℃的环境温度范围内正常工作，适应车间、生产线等复杂工况条件。
本产品采用全密封结构设计，防护等级达到IP67，可有效抵御粉尘侵入和水流冲击。内置过载保护电路和反向极性保护功能，有效提升设备使用寿命。安装方式支持齐平或非齐平两种模式，提供M12/M18两种标准螺纹规格，便于集成到现有设备系统中。
典型应用包括：机械制造领域的定位检测、物流输送线的物体计数、自动化设备的安全防护等。产品经过严格的质量控制流程，确保批次间性能一致性。配套线缆采用抗干扰屏蔽设计，支持最长5米延长线选配，满足不同安装距离需求。
English Introduction:
The 3SG3275/1KJ31-N proximity switch is a high-performance detection device designed for industrial automation applications. Utilizing non-contact inductive technology, it provides reliable detection of metallic objects. The compact housing, constructed with engineering plastic and featuring specialized surface treatment, demonstrates resistance to oil contamination and mechanical impact, making it suitable for diverse industrial environments.
Technical specifications include DC power supply compatibility with 10-30VDC operating voltage range, offering both NPN and PNP output configurations. The optimized sensing distance ensures stable detection performance across various application scenarios. Equipped with temperature compensation circuitry, the device maintains operational stability within an ambient temperature range of -25℃ to +70℃, suitable for workshop and production line conditions.
Featuring a fully sealed structure with IP67 protection rating, the product effectively resists dust ingress and water immersion. Integrated overload protection and reverse polarity protection circuits enhance operational durability. Installation flexibility is provided through flush or non-flush mounting options, with standard M12/M18 threaded versions for seamless integration into existing equipment systems.
Typical applications encompass position detection in machinery manufacturing, object counting on conveyor systems, and safety monitoring in automated equipment. Rigorous quality control processes ensure consistent batch-to-batch performance. The shielded cable design minimizes electromagnetic interference, with optional extension cables up to 5 meters available for varied installation requirements.
（总字数：中文246字 + 英文246字 = 492字）
