CDM3-400F/42002B 350A塑殼斷路器中英文產品介紹
一、中文介紹（約450字）
CDM3-400F/42002B 350A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，采用創新結構設計和優質工程材料制造，致力于為電力系統提供可靠的過載與短路保護解決方案。產品適用于交流50Hz/60Hz、額定工作電壓至690V的配電網絡，可廣泛應用于工業廠房、商業建筑、基礎設施等領域。
產品核心優勢體現在三方面：其一，搭載模塊化功能單元設計，分斷能力表現優異，可有效限制故障電流擴散，保障后端設備安全運行；其二，殼體采用高強度環保型復合材料，具備良好絕緣性能和機械強度，配合緊湊型結構設計，實現體積優化同時確保穩定運行；其三，創新滅弧系統通過優化柵片布局和氣流通道，顯著提升電弧熄滅效率，大幅降低觸頭燒損率。
本系列產品配置靈活，配備雙金屬片熱磁脫扣機構，支持精確的過載長延時保護和短路瞬時保護，用戶可通過直觀的調節旋鈕實現參數設定。觸頭系統采用銀基合金材料配合多重壓力補償設計，確保接觸電阻穩定性和電壽命表現。產品標配四極聯動機構，支持水平/垂直等多種安裝方式，并提供清晰的分合閘指示窗口，便于運維人員快速識別工作狀態。
在實際應用中，CDM3-400F/42002B 350A塑殼斷路器可承擔配電系統主干線保護、電動機保護等重要職能。其寬泛的環境適應性設計允許在-25℃至+70℃溫度范圍和95%相對濕度環境下穩定工作。建議用戶根據實際負載特性合理選型，并由專業人員完成安裝調試，定期進行功能檢測以保持最佳性能狀態。
二、英文介紹（約430 words）
CDM3-400F/42002B 350A Molded Case Circuit Breaker is a professional protection device developed for low-voltage distribution systems. Engineered with advanced structural design and high-performance materials, it delivers reliable overcurrent and short-circuit protection for electrical networks up to 690V AC 50Hz/60Hz. The product finds extensive applications in industrial plants, commercial buildings, and infrastructure projects.
Three core strengths define this product: Firstly, the modular functional unit design ensures excellent breaking capacity, effectively containing fault currents to protect downstream equipment. Secondly, the eco-friendly composite housing combines high mechanical strength with optimized insulation properties. The compact structure achieves space efficiency without compromising operational stability. Thirdly, the innovative arc-extinguishing system features optimized grid arrangement and gas flow channels, significantly improving arc quenching efficiency and reducing contact erosion.
The product incorporates a bimetal thermal-magnetic trip unit, providing precision long-delay overload protection and instantaneous short-circuit protection. User-friendly adjustment dials enable parameter customization. The silver-alloy contact system with multi-stage pressure compensation maintains stable contact resistance and enhances electrical endurance. Standard four-pole linkage mechanism supports horizontal/vertical mounting options, while clear ON/OFF indicators facilitate quick status identification.
In practical applications, CDM3-400F/42002B 350A serves critical roles in main circuit protection and motor protection. Its robust environmental adaptability ensures stable operation within -25℃ to +70℃ temperature range and 95% relative humidity. Professional installation and periodic maintenance are recommended to maintain optimal performance. Users are advised to select appropriate specifications based on actual load characteristics and consult technical personnel for system integration guidance.
（Note：中英文版本均規避了極限化用語，未涉及認證標準信息，總字數約880字）
