CDM3-400N/4300A 350A塑殼式配電保護裝置產品介紹
中文版
CDM3-400N/4300A 350A塑殼式配電保護裝置是針對現代電力系統需求設計的智能化保護解決方案。該產品采用模塊化結構設計，適用于交流50Hz、額定工作電壓至690V的配電網絡，可有效實現線路的過載、短路保護及隔離控制功能。緊湊的殼體內集成多重保護機制，在保障電力系統穩定運行的同時，兼顧設備操作的安全性與便捷性。
產品主體結構采用高強度工程材料整體注塑成型，殼體具備優異的絕緣性能和機械強度。內部搭載精準的電磁式脫扣機構，配合優化的滅弧系統設計，能夠快速切斷故障電流。操作機構采用三位置顯示設計（分閘/合閘/脫扣），直觀的狀態指示便于運維人員快速識別設備狀態。可調式熱磁脫扣單元支持過載長延時保護和短路瞬時保護的雙重設定，滿足不同應用場景的定制化需求。
本裝置適用于工業廠房、商業建筑、基礎設施等領域的配電系統主干線路保護，可廣泛應用于電動機保護、變壓器二次側保護及電纜線路保護等場景。標準配置提供四極結構（3P+N），額定工作電流350A，分斷能力達到行業主流水平。側面擴展接口支持安裝多種功能附件，包括分勵脫扣器、輔助觸點等，便于實現遠程監控和自動化控制。產品采用通用型導軌安裝設計，支持垂直或水平安裝方式，適應各類配電柜的空間布局要求。
技術特點：
- 模塊化觸頭系統設計，維護便捷性提升30%
- 雙斷點分斷結構，有效增強電弧控制能力
- 寬溫度適應性設計（-25℃至+70℃）
- 人體工學操作手柄，啟閉力矩降低至行業平均水平的85%
- 可視化能量釋放指示窗設計
典型應用：
• 工業生產線配電柜主開關
• 商業綜合體樓層配電箱
• 光伏發電系統直流側保護
• 機械設備動力柜總控單元
English Version
CDM3-400N/4300A 350A Molded Case Circuit Protection Device Technical Overview
The CDM3-400N/4300A 350A molded case circuit protection device delivers intelligent power management for modern electrical systems. Designed for AC 50Hz networks with operational voltages up to 690V, this solution integrates multiple protection functions including overload prevention, short-circuit interruption, and circuit isolation within a compact housing. Its multi-layered safety architecture ensures reliable power distribution while maintaining operational flexibility.
Featuring a monobloc thermoplastic enclosure with reinforced insulation properties, the device incorporates precision-engineered electromagnetic trip mechanisms paired with an advanced arc-quenching system. The triple-position indicator (ON/OFF/TRIPPED) provides immediate operational status recognition. Adjustable thermal-magnetic tripping units enable customized configuration for time-delayed overload protection and instantaneous short-circuit response, adaptable to diverse application requirements.
This protective device finds extensive application in industrial plants, commercial complexes, and critical infrastructure for main circuit protection. Suitable for motor protection circuits, transformer secondary protection, and cable line safeguarding, the standard 4-pole (3P+N) configuration supports 350A rated current with competitive breaking capacity. Modular side-mounted accessories including shunt releases and auxiliary contacts facilitate integration with automated control systems. Universal rail-mount design accommodates vertical or horizontal installation in various panel board configurations.
Technical Highlights:
• Modular contact system reduces maintenance downtime by 30%
• Double-breakpoint arc control technology enhances interruption reliability
• Extended temperature tolerance (-25℃ to +70℃)
• Ergonomic handle design decreases operating torque by 15% versus conventional models
• Visual energy discharge indicator window
Typical Applications:
√ Main circuit protection for industrial switchboards
√ Floor distribution boxes in commercial buildings
√ DC side protection in photovoltaic systems
√ Power control units for mechanical equipment
（總字數：中文425字/英文368字）
