以下是符合要求的LJ12A3-4-J/EZ接近开关传感器中英文产品介绍：
中文介绍
LJ12A3-4-J/EZ型接近开关传感器是一款采用电磁感应原理设计的非接触式检测装置，适用于工业自动化领域的物体位置检测需求。该产品通过稳定的性能表现，为设备运行提供可靠的信号反馈，满足多种复杂场景的应用要求。
本产品有效检测距离为12mm，采用不锈钢外壳材质，具备较强的机械防护能力。内置耐冲击传感元件可适应高强度工作环境，防护等级达到IP67，能够在粉尘、油污及轻度液体飞溅条件下保持稳定工作状态。工作电压范围覆盖10-30V DC，兼容主流工业控制系统，提供NPN/PNP双输出模式选择，便于不同电气架构的集成应用。
在技术特点方面，产品采用全密封结构设计，有效避免环境污染物侵入内部电路。温度适应范围覆盖-25℃至+70℃，确保在温差变化较大的场景中维持检测精度。LED状态指示灯设计便于现场人员快速掌握设备运行状态，紧凑型外观结构（直径12mm×长度50mm）适合空间受限的安装需求。
该传感器广泛应用于自动化生产线中的物料定位、机械手臂动作检测、传送带物料监控等场景。在包装机械、数控机床、物流分拣系统中均可实现精准的位置传感功能。产品通过优化的电磁屏蔽设计，有效降低设备间的信号干扰，提升系统整体稳定性。
生产厂家专注于工业传感器研发制造，拥有专业的技术团队和完善的质量管理体系。产品经过多环节性能测试，确保每台设备达到设计要求，为用户提供长期稳定的使用体验。厂家提供定制化服务，可根据具体需求调整产品参数配置。
English Introduction
The LJ12A3-4-J/EZ proximity sensor is a non-contact detection device based on electromagnetic induction principle, designed for object position sensing in industrial automation systems. With reliable performance characteristics, it delivers stable signal feedback for equipment operation, meeting diverse application requirements in complex scenarios.
This sensor features a 12mm effective detection range and stainless steel housing, providing enhanced mechanical protection. The impact-resistant sensing element is suitable for demanding working environments, with IP67 protection rating ensuring stable operation in dusty, oily, or slightly wet conditions. Supporting 10-30V DC operating voltage, it is compatible with mainstream industrial control systems and offers configurable NPN/PNP output modes for flexible integration with various electrical architectures.
Technical highlights include a fully sealed structure that prevents environmental contaminants from entering internal circuits. The operational temperature range of -25℃ to +70℃ maintains detection accuracy under significant temperature variations. A built-in LED status indicator enables quick operational checks, while the compact cylindrical design (12mm diameter × 50mm length) accommodates space-constrained installations.
Typical applications encompass material positioning in automated production lines, robotic arm motion detection, and conveyor belt monitoring. The sensor demonstrates reliable performance in packaging machinery, CNC equipment, and logistics sorting systems. Optimized electromagnetic shielding design minimizes signal interference between devices, enhancing overall system stability.
Manufactured by a professional industrial sensor producer with dedicated R&D teams and comprehensive quality management systems, each unit undergoes multi-stage performance testing to ensure compliance with design specifications. The manufacturer offers customized solutions to adjust product parameters according to specific application requirements, ensuring long-term operational reliability for users.
（中英文总字数：约620字）
说明：内容避免使用绝对化表述，聚焦产品功能与技术特性，未涉及认证及专利信息，符合工业产品介绍的专业性要求。生产厂家信息以客观描述方式呈现，未出现广告法限制用语。
