中文介紹
E3JK-R4Y2是一款高性能的光電開關(guān)，廣泛應(yīng)用于工業(yè)自動化領(lǐng)域。它采用回歸反射型檢測方式，通過反射板實現(xiàn)對物體的精準(zhǔn)檢測。該產(chǎn)品具有較長的檢測距離，能夠適應(yīng)多種復(fù)雜的工作環(huán)境，其檢測距離可達(dá)數(shù)米，適用于檢測不透明物體。
E3JK-R4Y2光電開關(guān)的電源電壓范圍為10-30VDC，能夠滿足不同設(shè)備的供電需求。其輸出形式為繼電器觸點輸出，可實現(xiàn)穩(wěn)定的信號傳輸。此外，該產(chǎn)品還具備良好的抗干擾能力，能夠在復(fù)雜的電磁環(huán)境中穩(wěn)定工作。
在設(shè)計上，E3JK-R4Y2光電開關(guān)體積小巧，外形尺寸為M18×50×50mm，便于安裝在各種設(shè)備上，節(jié)省空間。它還具備較高的防護(hù)等級，能夠防止灰塵和水汽的侵入，從而延長使用壽命。
E3JK-R4Y2光電開關(guān)適用于多種行業(yè)，如機械制造、紡織、輕工、造紙、印刷和包裝等。它能夠與PLC、伺服控制器、變頻器等設(shè)備連接，實現(xiàn)自動化控制。
目前，E3JK-R4Y2光電開關(guān)的生產(chǎn)廠家眾多，其中包括歐姆龍自動化（中國）有限公司。歐姆龍作為全球知名的自動化設(shè)備制造商，以其先進(jìn)的技術(shù)和嚴(yán)格的質(zhì)量控制體系，確保了產(chǎn)品的高性能和可靠性。此外，上海雙旭電子有限公司也生產(chǎn)該型號產(chǎn)品，并提供良好的售后服務(wù)和優(yōu)質(zhì)的解決方案。
E3JK-R4Y2光電開關(guān)的價格因生產(chǎn)廠家、銷售渠道和采購數(shù)量等因素而有所不同。一般來說，其價格在幾百元人民幣左右。

English Introduction
The E3JK-R4Y2 photoelectric switch is a high-performance sensor widely used in industrial automation. It employs a retro-reflective detection method, which relies on a reflector to achieve precise object detection. With a long detection range, this switch can adapt to various complex working environments and is suitable for detecting opaque objects.
The E3JK-R4Y2 operates within a voltage range of 10-30VDC, meeting the power supply requirements of different devices. It features a relay contact output, ensuring stable signal transmission. Moreover, the switch has strong anti-interference capabilities, allowing it to work stably in complex electromagnetic environments.
In terms of design, the E3JK-R4Y2 photoelectric switch is compact, with dimensions of M18×50×50mm, making it easy to install on various equipment and saving space. It also has a high protection rating, preventing dust and moisture ingress, thereby extending its service life.
The E3JK-R4Y2 photoelectric switch is applicable to a variety of industries, including mechanical manufacturing, textiles, light industry, papermaking, printing, and packaging. It can be connected to PLCs, servo controllers, frequency converters, and other devices to achieve automated control.
Currently, there are numerous manufacturers of the E3JK-R4Y2 photoelectric switch. Omron Automation (China) Co., Ltd is one of them. Omron, a globally renowned manufacturer of automation equipment, ensures the high performance and reliability of its products through advanced technology and strict quality control systems. In addition, Shanghai Shuangxu Electronics Co., Ltd also produces this model and offers good after-sales service and high-quality solutions.
The price of the E3JK-R4Y2 photoelectric switch varies depending on the manufacturer, sales channel, and purchase quantity. Generally, it is priced at several hundred yuan.