電感式接近開(kāi)關(guān) LJ12A3-4-J/EZ 兩線 M12 交流 常開(kāi) 傳感器
產(chǎn)品概述
LJ12A3-4-J/EZ是一款采用電感式檢測(cè)原理的M12圓柱形接近開(kāi)關(guān)，專為工業(yè)自動(dòng)化控制設(shè)計(jì)。該產(chǎn)品采用交流兩線制接線方式，具備常開(kāi)（NO）輸出功能，能夠在金屬物體接近時(shí)快速響應(yīng)并輸出信號(hào)。其緊湊的12毫米直徑外殼采用金屬鍍鎳材質(zhì)，兼具機(jī)械強(qiáng)度與耐環(huán)境性能，適用于機(jī)床、輸送設(shè)備等多種工業(yè)場(chǎng)景。16
技術(shù)特性
該傳感器工作電壓范圍為AC90-250V，檢測(cè)距離達(dá)4毫米，響應(yīng)時(shí)間僅2.5毫秒。內(nèi)置反接保護(hù)、短接保護(hù)和浪涌保護(hù)電路，確保在復(fù)雜電氣環(huán)境中穩(wěn)定運(yùn)行。產(chǎn)品可在-25℃至+70℃溫度范圍內(nèi)正常工作，導(dǎo)線標(biāo)準(zhǔn)長(zhǎng)度為1.2米（支持定制加長(zhǎng)線），使用壽命超過(guò)200萬(wàn)次操作。其非接觸式檢測(cè)方式避免了機(jī)械磨損，特別適合高頻次檢測(cè)應(yīng)用。1115
功能優(yōu)勢(shì)
作為無(wú)觸點(diǎn)行程開(kāi)關(guān)，LJ12A3-4-J/EZ通過(guò)電磁感應(yīng)原理實(shí)現(xiàn)金屬物體檢測(cè)，無(wú)需物理接觸即可觸發(fā)信號(hào)。常開(kāi)型設(shè)計(jì)在無(wú)檢測(cè)物時(shí)保持?jǐn)嚅_(kāi)狀態(tài)，當(dāng)金屬目標(biāo)進(jìn)入感應(yīng)區(qū)域時(shí)自動(dòng)閉合電路。產(chǎn)品采用全封閉結(jié)構(gòu)，防護(hù)等級(jí)達(dá)到IP67，可有效抵御油污、粉塵和潮濕環(huán)境影響。安裝方式支持螺紋固定或支架安裝，兼容標(biāo)準(zhǔn)M12安裝孔位。68
應(yīng)用場(chǎng)景
該型號(hào)廣泛應(yīng)用于自動(dòng)化生產(chǎn)線中的位置檢測(cè)、計(jì)數(shù)控制和安全防護(hù)，如數(shù)控機(jī)床的刀具定位、包裝機(jī)械的物料檢測(cè)、流水線的工件分揀等。其交流供電特性可直接接入工業(yè)現(xiàn)場(chǎng)AC220V電源系統(tǒng)，簡(jiǎn)化布線復(fù)雜度。典型應(yīng)用包括金屬加工設(shè)備、起重機(jī)械、注塑機(jī)及各類自動(dòng)化控制裝置。114
英文介紹 (English Description)
The LJ12A3-4-J/EZ is an inductive proximity sensor with M12 cylindrical housing, designed for industrial automation applications. This AC two-wire normally open (NO) sensor detects metal targets within 4mm range without physical contact. Its nickel-plated brass construction ensures durability in harsh environments, while the compact 12mm diameter facilitates installation in confined spaces. 1322
Operating at 90-250V AC, this sensor features fast response time (2.5ms) and built-in protection circuits. The non-contact detection principle eliminates mechanical wear, achieving over 2 million operation cycles. Standard 1.2m cable (extendable) and -25°C to +70°C operating temperature range make it suitable for diverse industrial scenarios including CNC machines, conveyor systems and material handling equipment. 1119
The sensor s IP67-rated enclosure provides reliable performance in dusty or humid conditions. Its threaded mounting design allows flexible integration with standard M12 fittings. When metal objects enter the detection zone, the normally open circuit closes to output signals, enabling precise position monitoring and object counting in automated processes. 815
Ideal for metal detection tasks, this sensor simplifies control system wiring with direct AC line connection. Typical applications include machine tool positioning, automated assembly lines, packaging machinery and safety interlock systems. The product s robust construction and stable performance meet the demands of continuous industrial operation. 16
電感式接近開(kāi)關(guān) LJ12A3-4-J/EZ 兩線 M12 交流 常開(kāi) 傳感器
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上一篇 ALS-200D磁性感應(yīng)接近式開(kāi)關(guān) 限位開(kāi)關(guān) 磁性感應(yīng)開(kāi)關(guān) 行程開(kāi)關(guān) http://www.uoncy.cn/product/d120450.html
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