BX7滑線變阻器/BX-7
BX7滑線變阻器產(chǎn)品介紹（中文）
BX7滑線變阻器是一種廣泛應(yīng)用于電氣控制領(lǐng)域的可調(diào)電阻裝置，適用于交流50Hz、電壓380V以下及直流440V以下的電路環(huán)境。該產(chǎn)品采用優(yōu)質(zhì)康銅絲經(jīng)氧化絕緣處理后緊密纏繞于陶瓷管上，通過金屬支架固定，并配備導(dǎo)電電刷接觸系統(tǒng)，用戶可通過滑動(dòng)電刷位置實(shí)現(xiàn)電阻值的連續(xù)調(diào)節(jié)。其典型應(yīng)用場(chǎng)景包括電氣機(jī)械設(shè)計(jì)階段的電壓/電流校正、實(shí)驗(yàn)室教學(xué)演示的電路參數(shù)調(diào)節(jié)，以及發(fā)電設(shè)備或直流電動(dòng)機(jī)的勵(lì)磁控制等。產(chǎn)品具有單管、雙管等多種結(jié)構(gòu)形式，阻值范圍覆蓋0.1Ω-29kΩ，額定電流最高可達(dá)50A，通過多管并聯(lián)方式可擴(kuò)展至200A負(fù)載能力。設(shè)計(jì)上注重散熱性能與操作便利性，采用模塊化結(jié)構(gòu)支持串并聯(lián)組合，滿足不同電壓、阻值的參數(shù)需求。安裝時(shí)需注意保持環(huán)境通風(fēng)，避免接觸腐蝕性氣體，定期維護(hù)電刷接觸面可確保長(zhǎng)期穩(wěn)定運(yùn)行。1915
BX7 Sliding Rheostat Product Introduction (English)
The BX7 sliding rheostat is a precision adjustable resistor designed for electrical control systems, compatible with both AC (50Hz/380V max) and DC (440V max) circuits. Its construction features oxidation-insulated constantan wire tightly wound on ceramic tubes, mounted on durable metal frames with movable conductive brushes for smooth resistance adjustment. This device serves versatile functions including voltage/current calibration during electrical machinery design, circuit parameter demonstration in laboratory education, and excitation control for generators or DC motors. Available in single-tube and double-tube configurations, it offers resistance ranges from 0.1Ω to 29kΩ with current ratings up to 50A (expandable to 200A via parallel connection). The product emphasizes heat dissipation efficiency and user-friendly operation, featuring modular designs for series/parallel combinations to accommodate diverse parameter requirements. Maintenance involves ensuring proper ventilation and periodic cleaning of brush contact surfaces to preserve optimal performance. 41721
產(chǎn)品技術(shù)特點(diǎn)
該變阻器采用傳統(tǒng)繞線工藝，在連續(xù)工作狀態(tài)下表現(xiàn)出良好的溫度穩(wěn)定性和阻值精度，誤差控制在標(biāo)稱值的±10%以內(nèi)。電阻管選用直徑64mm的陶瓷材質(zhì)，配合金屬保護(hù)支架形成穩(wěn)固結(jié)構(gòu)，外形尺寸根據(jù)型號(hào)不同在265mm×90mm至520mm×180mm之間。特殊設(shè)計(jì)的接觸系統(tǒng)允許電刷在康銅絲表面平滑移動(dòng)，實(shí)現(xiàn)無級(jí)調(diào)節(jié)，同時(shí)產(chǎn)品提供M6安裝孔和接地端子保障使用安全。對(duì)于教學(xué)科研用途，可通過限流接法或分壓接法靈活改變電路特性，初始使用時(shí)建議將滑片置于電阻最大位置以確保設(shè)備安全。91928
Application Scenarios
In industrial settings, the BX7 series proves effective for load testing, discharge circuits, and aging equipment simulation. Educational institutions utilize its adjustable characteristics for demonstrating Ohm s Law principles and variable voltage/current relationships. The rheostat s customizable nature allows technical adaptation to non-standard specifications (below 400A) by providing current-voltage-resistance parameters. Typical installations include power generation facilities for motor speed regulation, where its parallel-configurable tubes (up to 8 units) deliver 50kW power handling capacity. The product s ceramic-core construction ensures stable performance under continuous operation, making it suitable for prolonged experimental sessions or industrial processes requiring gradual parameter adjustments. 21624
BX7滑線變阻器
的詳細(xì)介紹BX7滑線變阻器/BX-7
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滑線變阻器（可訂制特殊規(guī)格）
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序號(hào)
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型號(hào)
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名稱
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示值范圍
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額定電流
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出廠價(jià)￥
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3-68
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BX7
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滑線變阻器
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0～1k
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0.5A
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240
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3-69
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BX7
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滑線變阻器
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0～4k
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3A
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2710
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3-70
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BX8
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滑線變阻器
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0～5k
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0.3A
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410
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3-71
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BX8
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滑線變阻器
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0～2k
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0.8A
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500
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