SD-3020B 接近開關(guān)/價(jià)格/生產(chǎn)廠家/SD-3020B

SD-3020B接近開關(guān)的產(chǎn)品介紹

SD-3020B是一款圓盤形電感式接近開關(guān)，采用非接觸式檢測(cè)原理，能夠可靠檢測(cè)金屬目標(biāo)物的接近。該產(chǎn)品直徑48mm，厚度32mm，檢測(cè)距離達(dá)20mm，適用于工業(yè)自動(dòng)化中的定位、計(jì)數(shù)和自動(dòng)保護(hù)等場(chǎng)景。其外殼采用PBT材質(zhì)，防護(hù)等級(jí)達(dá)到IP67，可在-25℃至+55℃環(huán)境下穩(wěn)定工作，具有抗干擾、耐腐蝕、防水防震等特點(diǎn)。產(chǎn)品提供直流NPN常閉輸出，工作電壓范圍6-36VDC，響應(yīng)頻率達(dá)150Hz，適合高速檢測(cè)應(yīng)用。1311

產(chǎn)品技術(shù)特點(diǎn)與優(yōu)勢(shì)

該接近開關(guān)通過(guò)電磁感應(yīng)原理工作，內(nèi)置高頻振蕩器和信號(hào)處理電路，當(dāng)金屬物體進(jìn)入感應(yīng)區(qū)域時(shí)會(huì)產(chǎn)生渦流效應(yīng)，觸發(fā)開關(guān)狀態(tài)變化。相比機(jī)械式開關(guān)，具有無(wú)磨損、使用壽命長(zhǎng)（超過(guò)100萬(wàn)次操作）、響應(yīng)速度快（毫秒級(jí)）等優(yōu)勢(shì)。產(chǎn)品特別設(shè)計(jì)為平面安裝型，適合空間受限的場(chǎng)合，且提供多種輸出配置可選（包括二線/三線制、常開/常閉型），能夠兼容PLC、變頻器等工業(yè)控制設(shè)備。102125

生產(chǎn)廠家與采購(gòu)信息

主要生產(chǎn)廠家包括湖北杭榮電氣有限公司、上海雙旭電子有限公司及樂(lè)清市杭榮自動(dòng)化電氣有限公司。湖北杭榮電氣位于麻城市龍池工業(yè)區(qū)，提供批量定制服務(wù)；上海雙旭電子在上海嘉定區(qū)設(shè)有生產(chǎn)基地，專注工業(yè)傳感器研發(fā)。產(chǎn)品可通過(guò)阿儀網(wǎng)、儀器儀表交易網(wǎng)等B2B平臺(tái)采購(gòu)，參考單價(jià)為580-1260元/只，具體價(jià)格根據(jù)采購(gòu)數(shù)量浮動(dòng)。廠家通常提供1年質(zhì)量保證，支持非標(biāo)定制和樣品試用。1413

English Product Introduction (SD-3020B Proximity Switch)

The SD-3020B is a disc-type inductive proximity sensor designed for non-contact detection of metallic objects in industrial automation systems. With a compact dimension of φ48×32mm and 20mm sensing range, it features PBT housing providing IP67 protection against dust and water ingress. Operating at 6-36VDC, this normally closed (NC) NPN output device achieves fast response up to 150Hz frequency, suitable for position monitoring, object counting and safety protection applications. The encapsulated construction ensures reliable performance in harsh environments with temperature tolerance from -25°C to +55°C.1125

Key Features & Applications

Utilizing electromagnetic induction technology, the sensor generates stable oscillating field to detect ferrous/non-ferrous metals without physical contact, eliminating mechanical wear. Typical applications include CNC machine tools, conveyor systems, packaging equipment and robotic arms. Compared to mechanical limit switches, it offers superior durability (>1 million operations), maintenance-free operation and resistance to vibration/oil contamination. Multiple mounting options and output configurations (2-wire/3-wire, NO/NC) provide flexible integration with control systems. Manufacturers like Hangrong Electric (Hubei) and Shuangxu Electronics (Shanghai) support OEM customization including special sensing distances or connector types.31021

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