D-A73磁性開關(guān)/價格/生產(chǎn)廠家/

產(chǎn)品概述

D-A73磁性開關(guān)是一種采用磁感應(yīng)原理工作的工業(yè)自動化元件，廣泛應(yīng)用于機械設(shè)備、輸送系統(tǒng)及氣動裝置中，用于檢測氣缸活塞位置或金屬物體的接近信號。該產(chǎn)品通過內(nèi)置磁簧管實現(xiàn)觸點開合，結(jié)構(gòu)緊湊且抗震性強，適合在震動較大的環(huán)境中穩(wěn)定工作。其典型特性包括LED指示燈設(shè)計、直接出線式接線方式（導(dǎo)線長度可選0.5m/3m/5m），以及縱向或橫向安裝的靈活性。19

核心功能與優(yōu)勢

D-A73磁性開關(guān)采用觸點磁簧管型設(shè)計，支持5~240V AC/DC寬電壓范圍，開關(guān)電流為100mA，感應(yīng)靈敏度達60Gs。產(chǎn)品具備IP67防護等級，可在-10~70℃環(huán)境下穩(wěn)定運行。其優(yōu)點包括安裝簡便（通過緊定螺釘固定）、抗震性能優(yōu)異，且內(nèi)置紅色LED可直觀顯示工作狀態(tài)。適用于皮帶輸送機、自動化生產(chǎn)線等場景，能有效提升設(shè)備的位置檢測精度。使用時需注意避免直接連接電源，需串聯(lián)負載（如繼電器）以保護開關(guān)壽命。129

價格與供應(yīng)

根據(jù)市場數(shù)據(jù)，D-A73磁性開關(guān)的零售單價區(qū)間為35~84元人民幣，具體價格因采購量、導(dǎo)線長度（如標(biāo)準0.5m或加長3m/5m）及供應(yīng)商而異。例如，阿里巴巴平臺現(xiàn)貨批發(fā)起批價為35元/個（≥1個），而SMC原裝型號D-A73H的單價為84元。供應(yīng)商通常提供2天內(nèi)發(fā)貨服務(wù)，批量采購可協(xié)商折扣。主要貨源來自中國江蘇、山東等地的自動化設(shè)備制造商，如上海雙旭電子、山東卓信機械等。246

生產(chǎn)廠家信息

國內(nèi)主要生產(chǎn)商包括上海雙旭電子有限公司（專注磁性開關(guān)系列產(chǎn)品）、蘇州立業(yè)自動化科技有限公司（提供SMC原裝型號），以及山東卓信機械有限公司（主營工業(yè)傳感器）。這些企業(yè)擁有多年行業(yè)經(jīng)驗，產(chǎn)品覆蓋D-A73、D-Z73、D-A93等系列，支持定制化服務(wù)。部分廠商如臺灣AOTAI也提供同類產(chǎn)品，其型號兼容性強，適用于進口設(shè)備替換。供應(yīng)商通常通過電商平臺（如1688、淘寶）或直銷渠道提供服務(wù)，確�，F(xiàn)貨供應(yīng)。1711

English Introduction

Product Overview

The D-A73 magnetic switch is an industrial automation component utilizing magnetic induction technology, designed for detecting piston positions in cylinders or metal object proximity in machinery and conveyor systems. It features a reed contact mechanism enclosed in a compact housing with vibration-resistant construction, suitable for harsh environments. Key specifications include LED status indicators, direct wiring options (cable lengths: 0.5m/3m/5m), and flexible longitudinal/transverse mounting. 912

Key Features

This switch operates on a 5~240V AC/DC wide voltage range with a 100mA switching current and 60Gs sensitivity. Its IP67-rated housing ensures reliability in temperatures from -10°C to 70°C. The product excels in easy installation (via built-in screws), shock resistance, and visual operation feedback via red LEDs. Typical applications include automated production lines and pneumatic systems. Note: Always connect in series with a load (e.g., relay) to prevent damage. 912

Pricing & Availability

Market prices range from $5 to$12 USD per unit (wholesale rates start at $5 for ≥1 unit). Variations depend on cable length and supplier terms. Major Chinese suppliers like Shanghai Shuangxu Electronic and Shandong Zhuoxin Machinery offer bulk order discounts, with delivery within 2 working days. SMC-branded models (e.g., D-A73H) are priced higher at$12 USD. 24

Manufacturers

Leading manufacturers include Shanghai Shuangxu Electronic Co. (specialized in magnetic switches), Suzhou Liye Automation (authorized SMC distributor), and Taiwan-based AOTAI (known for cross-model compatibility). These providers support OEM services and distribute through platforms like Alibaba or direct sales. 1711

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