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LJC30A3-H-Z/BX是一款高性能電容式接近開關(guān)，采用先進(jìn)的非接觸式檢測技術(shù)，適用于工業(yè)自動(dòng)化領(lǐng)域的多種應(yīng)用場景。該產(chǎn)品通過檢測物體的介電常數(shù)變化實(shí)現(xiàn)精準(zhǔn)控制，能夠可靠識別金屬和非金屬材料，包括液體和粉末狀物體。其圓柱形金屬外殼設(shè)計(jì)（直徑30mm）兼具耐用性與環(huán)境適應(yīng)性，工作電壓范圍為6-36V直流，支持NPN三線常開輸出模式，最大檢測距離可達(dá)15mm±10%，響應(yīng)頻率達(dá)500Hz，能滿足高速檢測需求。產(chǎn)品采用直出線式連接方式，安裝便捷，可廣泛應(yīng)用于機(jī)床、冶金、化工、輕紡等行業(yè)的生產(chǎn)線定位、計(jì)數(shù)及安全防護(hù)環(huán)節(jié)。1 5 16

技術(shù)特點(diǎn)

該接近開關(guān)的核心優(yōu)勢在于其穩(wěn)定的性能表現(xiàn)和廣泛的適用性。內(nèi)置高頻振蕩器和放大輸出電路，當(dāng)目標(biāo)物體進(jìn)入感應(yīng)區(qū)域時(shí)，通過渦流效應(yīng)改變振蕩狀態(tài)并觸發(fā)開關(guān)信號，全過程無機(jī)械接觸，顯著延長使用壽命。產(chǎn)品支持-30℃至+65℃的工作溫度范圍，防護(hù)等級達(dá)IP67，可抵御粉塵、油污及潮濕環(huán)境的干擾。獨(dú)特的溫度補(bǔ)償技術(shù)確保在環(huán)境溫度波動(dòng)時(shí)仍保持±15%以內(nèi)的檢測精度，同時(shí)具備逆接保護(hù)和短路保護(hù)功能，保障設(shè)備安全運(yùn)行。其模塊化結(jié)構(gòu)設(shè)計(jì)便于維護(hù)，環(huán)氧樹脂封裝工藝進(jìn)一步提升了抗沖擊和抗震性能。6 15 23

應(yīng)用場景

This proximity switch is particularly suitable for automated production lines requiring high-precision position detection. In packaging machinery, it can accurately identify the presence of cartons or plastic containers; in food processing equipment, it reliably detects liquid levels in non-metallic pipelines. The product also excels in automotive assembly lines for parts counting, and in textile machinery for thread breakage monitoring. Its ability to sense through certain barriers makes it ideal for hazardous environments where direct contact is impractical. The corrosion-resistant nickel-copper alloy housing ensures long-term reliability even in chemically aggressive settings like pharmaceutical or chemical plants.5 18

產(chǎn)品優(yōu)勢

LJC30A3-H-Z/BX stands out for its versatility and cost-effectiveness in industrial automation. Compared with traditional mechanical switches, it eliminates contact wear and maintains consistent performance over 10 million operation cycles. The three-wire DC configuration (brown+/blue-/black signal) simplifies integration with PLC systems, while the standardized M30×1.5 mounting thread enables quick replacement. With adjustable sensitivity via built-in potentiometer, it can be fine-tuned for specific material types ranging from paper to ceramics. The switch s compact dimensions (60mm length) and lightweight design (約550g) facilitate installation in space-constrained applications. Backed by rigorous quality control, each unit undergoes individual testing to guarantee stable induction distance and output consistency.11 20 25

品牌服務(wù)

As a professional industrial sensor manufacturer, we focus on delivering reliable automation solutions with comprehensive technical support. Our global distribution network ensures prompt delivery, while dedicated engineering teams provide application consulting and troubleshooting guidance. The product is compatible with major control systems and can be customized with extended cables or special connectors upon request. With continuous R&D investment, we keep enhancing product performance to meet evolving industry demands, offering competitive solutions for smart manufacturing and IIoT applications.19 21

LJC30A3-H-Z/BX |接近開關(guān)

LJ18A3-8-Z/BX LJ為編號1 18為編號2

A3為編號3 8為編號4 Z為編號5 B為編號6

X為編號7 (具體型號請核對下面表格),

編號 N.o	構(gòu)成 Composition	代碼及含義 Code and definition
1	開關(guān)類別 Switch category	LJ:電感式 inductance type LJC：電容式 capacitance type LJM:霍爾式 Hall type LJB:安全防爆式 safety explosion-proof type LJH:舌簧式 mimic linear type LJH:舌簧式 reedtype
2	外形尺寸 Outward appearance code	18:18mm 12:12mm 30:30mm
3	外形代號 Outward appearance code	A 圓柱型 cylinder type A3 金屬外殼 metal shell A4 塑料外殼 plastil shell
4	檢測距離 Detection distance	1:1mm 5:5mm 8:8mm 10:10mm
5	工作電壓 Working voltage	Z：6-36VDC Z1：30-65VDC J：90-250VAC J1：345-400VAC
6	輸出狀態(tài) Output state	B：常開(NO)Normally open(NO) A：常閉(NC)Normally close(NC) C：一開一閉(NO+NC)Normally open+normally close(NO+NC)
7	輸出形式 Output form	X：三線直流NPN負(fù)邏輯輸出three-wire DC NPN output Y：三線直流PNP正邏輯輸出three-wire DC PNP output D：二線直流輸出 two-wire DC output J：交流二線輸出 AC two-wire output J1：繼電器輸出 Relay contact output NP：NPN+PNP雙輸出 NPN+PNP double output