SN04-N接近开关NPN常开DC24V角柱型电感式传感器直流三线
产品概述
SN04-N是一款电感式接近开关，采用角柱型设计，适用于工业自动化领域的金属物体检测。该传感器通过直流三线NPN常开输出方式工作，额定电压为DC24V，能够稳定检测4mm范围内的金属目标。其紧凑的方形结构（18×18×36mm）和ABS塑料外壳使其适用于空间受限的安装环境，同时具备抗干扰、耐腐蚀和防水特性。1616
技术特点
传感器基于电感式检测原理，当金属物体接近感应区域时，内部LC振荡器产生涡流效应，触发开关动作，响应频率达500Hz，适合高速检测场景。支持6-36V宽电压输入，兼容不同工业电源环境。输出为NPN三线常开型，可直接连接PLC或控制器，接线步骤简单：先连接24V电源，再接入信号线与公共端。工作温度范围覆盖-20℃~70℃，适应恶劣工况。61621
应用场景
广泛应用于自动化生产线上的机械臂定位、传送带物料检测、工装夹具状态监控等场景。也可用于物流分拣系统、图书馆设备管理及安全防护装置，实现无接触式位置检测。其高重复精度和长寿命设计降低了设备维护频率。61015
Product Overview
The SN04-N is an inductive proximity switch with a square-column design, designed for metal object detection in industrial automation. It operates via a DC three-wire NPN normally open (NO) output configuration at 24V, reliably detecting metal targets within a 4mm range. The compact dimensions (18×18×36mm) and ABS housing make it suitable for space-constrained installations, while offering resistance to interference, corrosion, and moisture.1716
Key Features
Utilizing inductive sensing technology, the switch activates when eddy currents generated by metallic objects alter the internal LC oscillator s parameters. With a 500Hz response frequency, it supports high-speed applications. The wide voltage input (6-36V) ensures compatibility with diverse power supplies. The NPN NO output simplifies integration with PLCs or control systems via a three-step wiring process: connect power, signal wire, and common terminal. Operating temperatures range from -20℃ to 70℃ for harsh environments.61221
Applications
Ideal for robotic arm positioning, conveyor belt material detection, and fixture status monitoring in automated production lines. Also used in logistics sorting systems, library equipment, and safety devices for contactless position sensing. Its high repeatability and durable design reduce maintenance needs.61020
SN04-N接近开关NPN常开DC24V角柱型电感式传感器直流三线
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