中文介绍： PR12-4AO光电开关是一种广泛应用于工业自动化领域的检测设备，主要用于检测物体的存在与否。该产品采用先进的光电技术，通过发射和接收光线来判断物体的位置，具有响应速度快、检测精度高、抗干扰能力强等特点。

PR12-4AO光电开关适用于多种工业场景，如生产线上的物料检测、机械装置的位置控制、自动化流水线的物体计数等。其工作电压范围宽，通常为直流10-30V或交流90-250V，能够适应不同的电源环境。此外，该产品还具备良好的环境适应性，能够在一定的温度、湿度和灰尘条件下稳定工作。

PR12-4AO光电开关的检测距离一般在10-30mm之间，具体数值可能因实际应用环境和被检测物体的反射率等因素而有所变化。其外观设计紧凑，安装方便，可嵌入式或非嵌入式安装，适合在空间受限的场合使用。

英文 Introduction: The PR12-4AO photoelectric switch is a widely used detection device in the field of industrial automation. It is mainly used to detect the presence or absence of objects. The product employs advanced photoelectric technology to judge the position of objects by emitting and receiving light. It features fast response, high detection accuracy, and strong anti-interference ability.

The PR12-4AO photoelectric switch is suitable for a variety of industrial scenarios, such as material detection on production lines, position control of mechanical devices, and object counting on automated assembly lines. It has a wide working voltage range, typically from 10-30V DC or 90-250V AC, which can adapt to different power supply environments. In addition, the product has good environmental adaptability and can work stably under certain temperature, humidity, and dust conditions.

The detection distance of the PR12-4AO photoelectric switch is generally between 10-30mm. The specific value may vary depending on the actual application environment and the reflectivity of the object being detected. The product has a compact design and is easy to install, with options for flush or non-flush mounting, making it suitable for use in space-limited situations.

中文介绍： PR12-4AO光电开关的价格因生产厂家、采购数量和销售渠道等因素而有所不同。一般来说，单个产品的价格在几百元人民币左右。例如，山东卓信生产的PR12-4AO光电开关，单个价格为380元，采购数量达到50台及以上时，单价可降至350元。

PR12-4AO光电开关的生产厂家众多，其中一些知名厂家包括上海双旭电子有限公司、深圳市锐翼思科技发展有限公司、无锡市昌林自动化科技有限公司等。这些厂家在光电开关领域拥有丰富的生产经验和成熟的技术，能够提供高质量的产品和完善的售后服务。

English Introduction: The price of the PR12-4AO photoelectric switch varies depending on the manufacturer, purchase quantity, and sales channel. Generally, the price of a single unit is around several hundred yuan. For example, the PR12-4AO photoelectric switch produced by Shandong Zhuoxin costs 380 yuan per unit. When the purchase quantity reaches 50 units or more, the unit price can be reduced to 350 yuan.

There are many manufacturers of PR12-4AO photoelectric switches. Some well-known manufacturers include Shanghai Shuangxu Electronics Co., Ltd, Shenzhen Ruiyisi Technology Development Co., Ltd, and Wuxi Changlin Automation Technology Co., Ltd. These manufacturers have rich production experience and mature technology in the field of photoelectric switches. They can provide high-quality products and comprehensive after-sales service.