DZ20J-400/33002 315A塑殼斷路器產品介紹
DZ20J-400/33002 315A塑殼斷路器是一款專為配電系統設計的電氣保護裝置，適用于交流50Hz、額定工作電壓至380V的電路中，可實現對線路及設備的過載、短路等異常狀態的可靠保護。該產品采用模塊化結構設計，具備緊湊的外形尺寸和便捷的安裝維護特性，能夠有效提升配電系統的安全性和運行穩定性。其核心組件采用優質合金材料制造，觸頭系統具備良好的導電性能和耐磨特性，配合高性能滅弧室結構，確保在異常工況下快速分斷故障電流。
產品核心優勢體現在智能化保護功能與人性化操作設計的結合。通過精確的電流檢測機制與機械聯動系統，可在電路發生過載或短路時快速響應，避免設備損壞和事故擴大。操作機構采用彈簧儲能式設計，分合閘動作靈敏可靠，手柄位置清晰指示斷路器通斷狀態，便于日常運維人員直觀掌握設備運行情況。殼體采用高強度工程塑料壓鑄成型，具備優異的絕緣性能和抗沖擊能力，適用于各類工業環境下的長期使用。
該產品適用于建筑配電、工業控制柜、電力分配系統等場景，可配合多種母線排安裝方式，滿足不同配電柜的空間布局需求。優化的散熱通道設計和接線端子結構，既能保證大電流通載時的穩定性，又可減少接觸電阻帶來的能量損耗。作為配電網絡中的重要保護單元，其平衡的保護特性與持久的機械壽命有助于降低系統維護成本，為用戶提供高性價比的用電安全保障。
（中文：423字）
Product Introduction of DZ20J-400/33002 315A Molded Case Circuit Breaker
The DZ20J-400/33002 315A molded case circuit breaker is an electrical protection device specifically designed for power distribution systems. It operates in AC 50Hz circuits with rated operational voltage up to 380V, providing reliable protection against overload and short-circuit conditions for electrical lines and connected equipment. Featuring a modular construction design, this product combines compact dimensions with easy installation and maintenance capabilities, effectively enhancing the safety and operational stability of power distribution systems. Its critical components utilize premium alloy materials, with contact systems demonstrating excellent conductivity and wear resistance. The integrated high-performance arc extinguishing chamber ensures rapid interruption of fault current under abnormal operating conditions.
The product s core strengths lie in the integration of intelligent protection functions and user-friendly operational design. Equipped with precise current detection mechanisms and mechanical linkage systems, it delivers swift response to overload or short-circuit situations, effectively preventing equipment damage and incident escalation. The spring-operated energy storage mechanism ensures sensitive and reliable switching operations, while the clearly marked handle position provides visual status indication for straightforward maintenance monitoring. The housing, molded from high-strength engineering plastics, offers superior insulation properties and impact resistance, making it suitable for long-term operation in various industrial environments.
This circuit breaker finds application in building power distribution systems, industrial control cabinets, and electrical distribution networks. Compatible with multiple busbar installation methods, it adapts to different spatial configurations within distribution panels. The optimized heat dissipation channels and terminal connection structures ensure stable performance under high-current conditions while minimizing energy loss caused by contact resistance. As a crucial protective component in power distribution networks, its balanced protection characteristics and extended mechanical lifespan contribute to reduced system maintenance costs, delivering cost-effective electrical safety solutions for users.
（英文：414字）
