CDM3-400N/4300B 250A塑殼斷路器中英文產品介紹
【中文版】
CDM3-400N/4300B 250A塑殼斷路器是一款專為低壓配電系統設計的電路保護裝置，適用于交流50Hz/60Hz、額定工作電壓至690V的電力環境。產品采用模塊化結構設計，具備高分段能力和穩定的運行性能，可有效實現線路的過載、短路保護功能，同時支持遠程控制和狀態監測，滿足現代化配電系統的多樣化需求。
產品特點：
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緊湊型結構設計
殼體采用高強度工程材料一體成型，體積小巧且內部布局優化，節省安裝空間。觸頭系統通過特殊工藝處理，有效降低接觸電阻，提升導電穩定性。
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智能化保護功能
配備精準的電子脫扣單元，可靈活調節過載與短路保護參數，響應時間短，動作可靠性高。輔助觸點模塊支持擴展，方便與自動化系統集成。
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耐久性與安全性
機械壽命達20000次以上，關鍵部件經過嚴格老化測試，確保長期使用穩定性。滅弧室采用多重柵片設計，可快速分斷故障電流，減少電弧對設備的影響。
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廣泛適用場景
適用于工業廠房、商業建筑、基礎設施等領域的配電箱、電機控制中心及末端回路保護，尤其適合負載波動較大的應用環境。
該產品通過人性化的操作界面設計，支持手動/電動操作切換，并提供清晰的合閘/分閘狀態指示。安裝方式兼容導軌固定與螺栓固定，適配多種柜體結構需求，為用戶提供高效便捷的電路保護解決方案。
【英文版】
Product Introduction of CDM3-400N/4300B 250A Molded Case Circuit Breaker (MCCB)
The CDM3-400N/4300B 250A MCCB is a circuit protection device specifically designed for low-voltage distribution systems, suitable for AC power environments with 50Hz/60Hz frequency and rated operational voltage up to 690V. Featuring a modular structure design, it delivers high breaking capacity and reliable operational performance, effectively providing overload and short-circuit protection while supporting remote control and status monitoring to meet diverse requirements of modern power distribution systems.
Key Features:
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Compact Structural Design
The enclosure is molded from high-strength engineering materials with optimized internal layout, saving installation space. The contact system employs specialized processing technology to reduce contact resistance and enhance conductivity.
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Intelligent Protection
Equipped with precise electronic trip units allowing flexible adjustment of overload and short-circuit protection parameters. Auxiliary contact modules support expansion for seamless integration with automation systems.
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Durability & Safety
Mechanical lifespan exceeds 20,000 operations, with critical components undergoing rigorous aging tests to ensure long-term stability. The arc chute utilizes multi-layer splitter plates for rapid fault current interruption, minimizing arc impact.
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Broad Application Scope
Ideal for switchboards, motor control centers, and branch circuit protection in industrial plants, commercial buildings, and infrastructure projects, particularly suitable for environments with significant load fluctuations.
The product features user-friendly operation with manual/electric switching modes and clear ON/OFF status indication. Compatible with both DIN rail and bolt mounting methods, it adapts to various cabinet structures, delivering an efficient and flexible circuit protection solution for diverse scenarios.
（注：中英文合計約550字，內容嚴格規避極限化用語，未涉及認證/專利信息，符合技術要求描述規范。）
