一、中文版（約500字）

LJ12A3-2（4）-J/EZ 是一款高性能電感式接近開(kāi)關(guān)，專(zhuān)為工業(yè)自動(dòng)化場(chǎng)景設(shè)計(jì)。該產(chǎn)品采用先進(jìn)的電磁感應(yīng)技術(shù)，能夠非接觸式檢測(cè)金屬物體的存在，適用于機(jī)械制造、自動(dòng)化產(chǎn)線、物流分揀等多種復(fù)雜工況環(huán)境。

產(chǎn)品特點(diǎn)：

1. 穩(wěn)定檢測(cè)性能：有效檢測(cè)距離為2mm或4mm（具體型號(hào)對(duì)應(yīng)不同規(guī)格），對(duì)鐵磁性金屬材料具有穩(wěn)定的檢測(cè)靈敏度，可適應(yīng)不同安裝環(huán)境需求。
2. 抗干擾設(shè)計(jì)：內(nèi)置電磁屏蔽結(jié)構(gòu)，有效降低環(huán)境中的電磁干擾影響，確保信號(hào)傳輸?shù)目煽啃浴?/li>
3. 環(huán)境適應(yīng)性：防護(hù)等級(jí)達(dá)到IP67，全密封結(jié)構(gòu)設(shè)計(jì)可抵御油污、粉塵及潮濕環(huán)境影響，工作溫度范圍為-25℃至+70℃。
4. 安裝便捷性：圓柱形殼體（直徑12mm）配標(biāo)準(zhǔn)M12螺紋安裝孔，支持嵌入式或外置式安裝，兼容主流工業(yè)設(shè)備接口。
5. 接線靈活性：提供電纜引出式接線方式，標(biāo)配1.5米耐彎折電纜，支持DC 10-30V寬電壓輸入，可選NPN或PNP輸出類(lèi)型。

技術(shù)參數(shù)：

• 檢測(cè)物體：鐵、鋼等磁性金屬
• 響應(yīng)頻率：≤100Hz
• 輸出電流：≤200mA
• 空載電流：≤10mA
• 狀態(tài)指示：內(nèi)置LED工作指示燈

應(yīng)用領(lǐng)域：

本產(chǎn)品可廣泛應(yīng)用于機(jī)床定位、輸送帶控制、機(jī)械臂動(dòng)作監(jiān)測(cè)、自動(dòng)化裝配設(shè)備、包裝機(jī)械及倉(cāng)儲(chǔ)物流系統(tǒng)等場(chǎng)景。其可靠的性能表現(xiàn)可幫助用戶實(shí)現(xiàn)精確的位置檢測(cè)、行程控制及設(shè)備安全保護(hù)功能。

產(chǎn)品優(yōu)勢(shì)：

通過(guò)優(yōu)化電路設(shè)計(jì)與機(jī)械結(jié)構(gòu)，該型號(hào)在同類(lèi)產(chǎn)品中具有更優(yōu)的性價(jià)比。緊湊的外形尺寸（總長(zhǎng)50mm）適合空間受限的安裝場(chǎng)景，特殊的表面處理工藝增強(qiáng)了產(chǎn)品的耐腐蝕性能，延長(zhǎng)了在惡劣工況下的使用壽命。

二、English Version（約450 words）

LJ12A3-2(4)-J/EZ Inductive Proximity Sensor Product Introduction

The LJ12A3-2(4)-J/EZ is a high-performance inductive proximity switch designed for industrial automation applications. Utilizing electromagnetic induction technology, this non-contact sensor reliably detects the presence of metallic objects, making it ideal for manufacturing equipment, automated production lines, and material handling systems.

Key Features:

1. Precision Detection: Offers selectable detection ranges of 2mm or 4mm (model-dependent), maintaining consistent sensitivity for ferrous metals under varying installation conditions.
2. Enhanced Reliability: Incorporates electromagnetic shielding to minimize interference from surrounding equipment, ensuring stable signal transmission.
3. Robust Construction: IP67-rated housing provides protection against dust, moisture, and oil contamination, with operational capability from -25℃ to +70℃.
4. Flexible Installation: 12mm cylindrical housing with M12 threaded mount allows both flush and non-flush mounting configurations.
5. Versatile Connectivity: Features 1.5-meter flexible cable output, compatible with 10-30V DC power supply, available in NPN or PNP output configurations.

Technical Specifications:

• Target Material: Ferrous metals (iron, steel)
• Switching Frequency: Up to 100Hz
• Max. Load Current: 200mA
• Standby Current: <10mA
• Status Indication: Built-in LED operation indicator

Typical Applications:

This sensor excels in position detection for CNC machine tools, conveyor belt monitoring, robotic arm positioning, automated assembly systems, and warehouse automation equipment. Its precise detection capability supports critical functions including object presence verification, movement limitation control, and equipment safety interlocks.

Performance Advantages:

Engineered with optimized circuitry and mechanical structure, this