CDM1-400M/4200 350A 塑壳断路器产品介绍（中英双语）
【中文版】
CDM1-400M/4200 350A塑壳断路器是一款专为低压配电系统设计的高性能保护装置，适用于额定工作电压至690V、额定电流350A的电路环境。产品采用模块化结构设计，集线路保护与控制功能于一体，可为工业配电、建筑电气及基础设施等领域提供可靠的电路安全保障。
本产品主体外壳采用高强度工程材料注塑成型，具备优良的绝缘性能和机械强度。触头系统通过特殊合金材料与精密加工工艺处理，确保在350A额定电流下的稳定通断能力。灭弧室采用多级栅片式设计，有效提升分断过程中电弧能量的吸收效率，降低故障电流对设备的影响。三段式保护功能可实现对线路过载、短路等异常情况的快速响应，配合直观的机械状态指示窗，便于运维人员实时掌握设备工作状态。
产品在设计上充分考虑安装便捷性，支持多种标准导轨与固定式安装方式。操作机构采用储能式弹簧驱动技术，兼具手动分合闸与远程电动控制兼容性。插拔式接线端子设计简化了线缆连接流程，同时预留外部附件扩展接口，可根据实际需求加装报警触点、分励脱扣等辅助模块。壳体表面经过防腐蚀涂层处理，适应-25℃至+70℃的环境温度范围，在潮湿、尘埃等复杂工况下仍能保持稳定性能。
作为配电系统的重要保护组件，该产品适用于电动机保护、配电柜主开关、电力分配系统等场景，帮助用户实现电路系统的安全运行管理。通过优化结构设计与材料选型，产品在确保安全性的同时兼顾经济性，是工业与民用领域广泛应用的可靠选择。
【English Version】
The CDM1-400M/4200 350A Molded Case Circuit Breaker is a high-performance protection device specifically designed for low-voltage distribution systems, suitable for circuits with rated operational voltage up to 690V and rated current of 350A. Featuring modular structural design, it integrates circuit protection and control functions, delivering reliable electrical safety for industrial power distribution, building electrical systems, and infrastructure applications.
The main housing utilizes high-strength engineering plastics with excellent insulation properties and mechanical durability. The contact system employs specially alloyed materials and precision machining processes, ensuring stable switching capability under 350A rated current. The multi-stage arc chute design enhances arc energy absorption during interruption, effectively reducing the impact of fault currents. Three-stage protection mechanism enables rapid response to overload and short-circuit conditions, complemented by an intuitive mechanical status indicator for real-time monitoring.
Designed for installation flexibility, the product supports multiple standard mounting options including rail and fixed-base installations. The energy-storing spring operating mechanism allows both manual switching and remote electrical control compatibility. Plug-in terminal design simplifies wiring processes, while expandable accessory interfaces permit optional additions like alarm contacts or shunt trip modules. Anti-corrosion surface treatment enables reliable performance in challenging environments with temperature ranges from -25℃ to +70℃, maintaining stability under humid or dusty conditions.
As a critical protection component, this circuit breaker is ideal for motor protection, distribution cabinet main switches, and power distribution systems. Through optimized structural design and material selection, it achieves an effective balance between operational safety and cost efficiency, serving as a dependable solution for various industrial and commercial applications. The product s robust construction and maintenance-friendly features contribute to extended service life while reducing system downtime risks.
（中英文合计约620字）
