CDM3-400R/3300² 250A塑殼斷路器中英文產品介紹
中文版：
CDM3-400R/3300² 250A塑殼斷路器是一款專為低壓配電系統設計的高性能電路保護裝置，適用于額定工作電壓交流400V、額定電流250A的電力環境中。產品采用模塊化結構設計，集成過載、短路等基礎保護功能，可有效實現線路的可靠分斷與設備安全防護。
該斷路器核心部件采用優質銀合金觸頭材料配合滅弧室優化設計，具備穩定的電流承載能力和快速分斷特性。緊湊型殼體結構在保證性能的同時減少安裝空間需求，三極觸頭系統配合透明防護罩設計，既便于操作維護又提升使用安全性。手柄操作機構提供清晰的通斷狀態指示，支持多種安裝方式以適應不同配電柜布局需求。
產品適用于工業廠房、商業建筑、基礎設施等領域的配電系統主干線路保護，可實現對電動機、變壓器等設備的過電流防護。通過優化電磁系統設計與熱元件匹配，確保在寬溫度范圍內保持動作精度。插拔式接線端子設計簡化線纜安裝流程，配合擴展附件可實現遠程信號監測功能。殼體采用高強度工程塑料與金屬部件復合結構，兼顧電氣絕緣性能與機械強度需求。
技術參數方面，產品極數為3P，額定絕緣電壓800V，極限分斷能力達35kA，機械壽命超過20000次，防護等級IP40。產品符合人體工程學的外觀設計使操作更便捷，可配套多種安裝導軌實現快速部署。
English Version:
The CDM3-400R/3300² 250A Molded Case Circuit Breaker is a high-performance circuit protection device specifically designed for low-voltage distribution systems. It operates effectively in electrical environments with rated working voltage of AC400V and rated current of 250A. Featuring modular construction, the product integrates essential protection functions including overload and short-circuit protection, ensuring reliable circuit interruption and equipment safety.
Constructed with silver alloy contacts and optimized arc extinguishing chamber, this breaker demonstrates stable current-carrying capacity and rapid tripping characteristics. Its compact housing design minimizes installation space requirements while maintaining operational efficiency. The three-pole contact system combined with a transparent protective cover enhances both maintenance accessibility and operational safety. The ergonomic handle mechanism provides clear ON/OFF status indication and supports multiple installation configurations for various switchboard layouts.
Ideal for main circuit protection in industrial plants, commercial buildings and infrastructure projects, the device effectively safeguards motors, transformers and other equipment against overcurrent conditions. Precision calibration of electromagnetic components and thermal elements ensures consistent tripping accuracy across wide temperature ranges. The plug-in terminal design simplifies cable installation processes, while optional accessories enable remote monitoring capabilities. The hybrid construction of high-strength engineering plastics and metal components delivers balanced electrical insulation and mechanical durability.
Technical specifications include 3 poles configuration, rated insulation voltage of 800V, ultimate breaking capacity up to 35kA, mechanical endurance exceeding 20,000 cycles, and IP40 protection rating. The human-centric design facilitates effortless operation, with compatibility for various mounting rails enabling rapid deployment in diverse electrical environments.
