CDM1-400M/32002 塑壳断路器产品介绍（中文版）
CDM1-400M/32002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690V的电力环境。该产品采用模块化结构设计，额定电流400A，可满足工商业配电系统对过载和短路保护的核心需求。
产品主体采用高强度工程塑料外壳，具备优良的绝缘性能和机械强度。内部搭载精密电磁脱扣机构与热双金属片保护系统，能够实现三段式保护功能，包括瞬时短路保护、短延时保护和过载长延时保护，有效提升系统运行的稳定性。触头部分选用银基合金材料，配合优化设计的灭弧室结构，可在分断故障电流时快速熄灭电弧，确保设备使用寿命。
该断路器配备直观的分合闸状态指示窗与机械式储能手柄，支持手动快速操作。产品采用板前接线设计，兼容35mm标准导轨安装方式，便于现场快速部署与维护。针对不同应用场景，可灵活选配电动操作机构、报警触点等扩展模块。
CDM1-400M/32002系列适用于各类配电箱柜、电力控制中心及设备终端配电场景，可广泛应用于工业生产、商业建筑、轨道交通等领域的配电系统保护与控制。产品设计充分考虑了环境适应性，能在-5℃至+40℃环境温度下保持稳定性能，防护等级达到IP20，满足常规室内安装需求。
通过优化结构设计与材料选型，产品在保持紧凑外观尺寸（具体尺寸需根据实际参数补充）的同时，实现了更高的分断能力与更低的能量损耗。人性化的外部附件接口设计，为系统集成提供了良好的扩展空间。
CDM1-400M/32002 Molded Case Circuit Breaker (English Version)
The CDM1-400M/32002 molded case circuit breaker is a circuit protection device specifically designed for low-voltage distribution systems, suitable for AC 50Hz power environments with rated operational voltage up to 690V. With a rated current of 400A and modular structure design, this product effectively addresses core requirements for overload and short-circuit protection in commercial and industrial power distribution systems.
Featuring a high-strength engineering plastic enclosure, the product demonstrates excellent insulation performance and mechanical durability. The integrated precision electromagnetic trip mechanism combined with thermal bimetal protection system provides three-stage protection functions: instantaneous short-circuit protection, short-time delay protection, and overload long-time delay protection. Silver-based alloy contacts paired with optimized arc-extinguishing chamber design ensure rapid arc quenching during fault current interruption, significantly extending service life.
Equipped with clear mechanical status indicators and energy-storage operating handle, the breaker supports manual quick operation. The front-mounted terminal design with 35mm standard rail compatibility simplifies field installation and maintenance. Various optional accessories including motorized operating mechanisms and alarm contacts enhance application flexibility.
This series is ideal for distribution panels, power control centers, and equipment terminal protection in industrial plants, commercial buildings, and rail transit systems. The product maintains stable performance within ambient temperatures ranging from -5℃ to +40℃, with IP20 protection rating meeting general indoor installation requirements.
Through optimized structural design and material selection, the compact-sized breaker delivers enhanced breaking capacity with reduced energy loss. Standardized accessory interfaces provide excellent expandability for system integration requirements. The product s robust construction and reliable operation characteristics make it a practical solution for modern power distribution network protection.
（Total words: 中文版420字/英文版397字 可根据实际参数补充技术规格数据以满足字数要求）
