DZ20J-400/33002 315A塑壳断路器产品介绍
DZ20J-400/33002 315A塑壳断路器是一款专为配电系统设计的电气保护装置，适用于交流50Hz、额定工作电压至380V的电路中，可实现对线路及设备的过载、短路等异常状态的可靠保护。该产品采用模块化结构设计，具备紧凑的外形尺寸和便捷的安装维护特性，能够有效提升配电系统的安全性和运行稳定性。其核心组件采用优质合金材料制造，触头系统具备良好的导电性能和耐磨特性，配合高性能灭弧室结构，确保在异常工况下快速分断故障电流。
产品核心优势体现在智能化保护功能与人性化操作设计的结合。通过精确的电流检测机制与机械联动系统，可在电路发生过载或短路时快速响应，避免设备损坏和事故扩大。操作机构采用弹簧储能式设计，分合闸动作灵敏可靠，手柄位置清晰指示断路器通断状态，便于日常运维人员直观掌握设备运行情况。壳体采用高强度工程塑料压铸成型，具备优异的绝缘性能和抗冲击能力，适用于各类工业环境下的长期使用。
该产品适用于建筑配电、工业控制柜、电力分配系统等场景，可配合多种母线排安装方式，满足不同配电柜的空间布局需求。优化的散热通道设计和接线端子结构，既能保证大电流通载时的稳定性，又可减少接触电阻带来的能量损耗。作为配电网络中的重要保护单元，其平衡的保护特性与持久的机械寿命有助于降低系统维护成本，为用户提供高性价比的用电安全保障。
（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）
