CDM3-400N/42002B 225A塑殼斷路器產品介紹（中文版）
CDM3-400N/42002B 225A塑殼斷路器是一款專為低壓配電系統設計的高性能保護裝置，采用模塊化結構和緊湊型設計理念，可廣泛應用于工業控制、建筑配電、能源系統等場景。該產品額定工作電流225A，具備可靠的電力分配與線路保護功能，在確保供電連續性的同時有效提升用電安全性。
產品核心特點：
- 智能分斷技術：通過優化的磁場脫扣結構，實現短路電流的快速響應與精準分斷，縮短故障處理時間，降低設備受異常電流沖擊的風險。
- 模塊化擴展設計：支持多種附件靈活配置，可擴展欠電壓脫扣、分勵脫扣等輔助功能模塊，滿足不同應用場景的定制化需求。
- 熱穩定性強化：采用耐高溫合金觸點與多層滅弧柵結構，在持續高負荷工況下仍能保持穩定的導電性能和分斷能力。觸頭部分通過特殊鍍層工藝處理，有效降低接觸電阻并延長使用壽命。
- 可視化操作界面：配備清晰的三色機械指示窗口，可直觀顯示斷路器"分閘"、"合閘"、"脫扣"三種狀態。操作手柄符合人體工學設計，確保分合閘動作的可靠性與操作便捷性。
- 環境適應性優化：外殼采用高阻燃增強尼龍材料，耐受溫度范圍達-25℃至+70℃，內部組件經防潮防塵處理，適應各類工業環境的長期穩定運行。
產品采用上下進線雙兼容結構，支持35mm標準導軌安裝，便捷的插拔式接線端子可減少現場安裝時間。適用于交流50/60Hz，額定工作電壓至690V的配電網絡，可為電動機、變壓器等重要負載提供過載和短路雙重保護。優化的散熱風道設計配合對流散熱孔，確保設備在滿負荷運行時的溫升控制在合理范圍。
CDM3-400N/42002B 225A Molded Case Circuit Breaker Product Introduction (English Version)
The CDM3-400N/42002B 225A molded case circuit breaker is a high-performance protection device designed for low-voltage distribution systems. Featuring modular construction and compact design, it is widely applicable in industrial control systems, building power distribution, and energy infrastructure. With a rated operational current of 225A, this device delivers reliable power distribution and circuit protection while ensuring power supply continuity and enhanced electrical safety.
Key Features:
- Intelligent Tripping Mechanism: The optimized magnetic trip structure enables rapid response to short-circuit currents and precise interruption, minimizing fault clearance time and reducing equipment exposure to abnormal current impacts.
- Modular Expansion Capability: Supports flexible configuration of auxiliary accessories including undervoltage release and shunt trip modules, accommodating customized requirements across various applications.
- Thermal Stability Enhancement: Equipped with high-temperature-resistant alloy contacts and multi-layer arc chutes, maintaining stable conductive performance and breaking capacity under continuous heavy-load conditions. Special coating technology on contacts reduces resistance and extends service life.
- Visual Status Indication: Features a three-color mechanical indicator window for clear identification of "OFF", "ON", and "TRIPPED" statuses. The ergonomic operating handle ensures reliable switching operations and user-friendly control.
- Environmental Adaptability: The flame-retardant reinforced nylon enclosure withstands temperatures from -25℃ to +70℃. Internal components with moisture-proof and dust-proof treatment ensure long-term stability in demanding industrial environments.
The dual-directional terminal design supports both top and bottom cable entry, compatible with 35mm standard mounting rails. Plug-in terminal blocks significantly reduce installation time. Suitable for 50/60Hz AC networks with rated operational voltage up to 690V, it provides dual protection against overload and short-circuit for critical loads including motors and transformers. The optimized thermal ventilation channels with convection cooling slots effectively control temperature rise during full-load operation.
（中英文合計約620字）
