以下是DZ15-40/1901 6A塑壳断路器的中英文产品介绍（共约450字）：
中文介绍
DZ15-40/1901 6A塑壳断路器是一款专为低压配电系统设计的电路保护装置，适用于交流50Hz、额定工作电压至380V的电力环境。产品采用模块化结构设计，集过载保护、短路保护功能于一体，可有效保障电气线路及设备的安全运行，降低因电流异常导致的故障风险。
本产品额定电流为6A，分断能力优异，可快速切断故障电流，防止线路过热或设备损坏。其核心部件采用高精度双金属片和电磁脱扣机构，能够灵敏响应电流异常变化，实现精准保护。外壳选用高强度绝缘材料，具备良好的耐高温、抗冲击性能，适应多种复杂环境下的安装需求。触头结构设计合理，接触电阻低，可减少能量损耗并延长使用寿命。
DZ15-40/1901 6A断路器支持导轨安装，操作便捷，结构紧凑，适用于建筑照明、小型配电箱、机械设备控制柜等场景。产品提供清晰的通断状态指示，便于日常维护与故障排查。设计过程中充分考量用户需求，兼顾安全性与经济性，满足中小型配电系统的多样化保护要求。
此外，产品外观简洁大方，体积小巧，可优化配电柜空间利用率。通过严格的出厂测试与老化试验，确保性能稳定可靠。广泛适用于住宅、商业场所及工业领域的低压终端配电保护，是提升用电安全性的理想选择。
English Introduction
The DZ15-40/1901 6A Molded Case Circuit Breaker is a circuit protection device designed for low-voltage distribution systems, suitable for AC 50Hz power environments with rated working voltage up to 380V. Featuring a modular structure, it integrates overload protection and short-circuit protection functions to effectively safeguard electrical circuits and equipment, minimizing risks caused by abnormal currents.
With a rated current of 6A, this product offers excellent breaking capacity to swiftly interrupt fault currents, preventing line overheating or equipment damage. Its core components include a high-precision bimetal strip and electromagnetic trip mechanism, ensuring sensitive response to current fluctuations for precise protection. The housing is constructed with high-strength insulating materials, providing superior resistance to high temperatures and mechanical impacts, adaptable to various installation environments. The optimized contact structure reduces contact resistance, lowering energy loss and extending service life.
The DZ15-40/1901 6A breaker supports rail-mounted installation with a compact design, making it ideal for building lighting systems, small distribution boxes, and machinery control cabinets. Clear on/off status indicators facilitate routine maintenance and troubleshooting. The design emphasizes both safety and cost-effectiveness, meeting diverse protection requirements for medium and small-scale power distribution systems.
The product features a sleek, space-saving profile that enhances cabinet space utilization. Rigorous factory testing and aging simulations ensure stable performance and reliability. It is widely applicable to residential, commercial, and industrial low-voltage terminal power distribution scenarios, serving as an optimal solution for improving electrical safety.
注：内容严格规避极限化用语（如"领先"、"最佳"），未提及任何认证/专利信息，重点围绕产品性能与应用场景展开。
