金属感应器 LJ12A3-4-Z/BX NPN 直流三线常开 M12 4MM 接近开关产品介绍

中文介绍 ：

LJ12A3-4-Z/BX NPN 直流三线常开 M12 4MM 接近开关是一种性能可靠的感应设备。它采用先进的感应技术，能够精准地检测到金属物体的接近。当有金属物体进入其感应范围时，接近开关可以迅速响应，实现电路的导通，从而为自动化设备提供可靠的信号传输。这种接近开关的感应距离为 4mm，能够满足多种应用场景下的近距离检测需求。其 M12 的螺纹设计，便于安装和固定，可轻松适配各种机械结构。在工业自动化生产线上，它可以用于物体的定位、计数、限位等多种功能，有效提高生产效率和设备运行的稳定性。此外，该接近开关具有良好的抗干扰能力，能够在复杂的电磁环境中稳定工作，确保信号的准确传输。

English Introduction ：

The LJ12A3-4-Z/BX NPN DC three-wire normally open M12 4MM proximity switch is a reliable sensing device. It employs advanced sensing technology to accurately detect the approach of metallic objects. When a metallic object enters its sensing range, the proximity switch can respond quickly to establish an electrical connection, thereby providing reliable signal transmission for automated equipment. With a sensing distance of 4mm, this proximity switch can meet the needs of close-range detection in various application scenarios. Its M12 threaded design facilitates easy installation and fixation, allowing it to be easily adapted to different mechanical structures. On industrial automated production lines, it can be used for functions such as object positioning, counting, and limiting, effectively improving production efficiency and equipment stability. Moreover, the proximity switch has strong anti-interference capabilities, enabling it to work stably in complex electromagnetic environments and ensuring accurate signal transmission.