CDM1L-400M/4300A315A II 塑壳漏电保护断路器产品介绍（中英文）
中文版：
CDM1L-400M/4300A315A II 塑壳漏电保护断路器是一款适用于低压配电系统的高性能电气保护装置。该产品采用模块化设计理念，集成漏电保护、过载保护和短路保护功能于一体，可有效保障用电设备及人员安全。产品额定工作电压为220V，额定电流315A，漏电动作电流范围100-500mA连续可调，能满足不同应用场景的差异化需求。
核心优势主要体现在三个方面：其一，采用高灵敏度电子式漏电检测技术，在检测到线路漏电或接地故障时，可在0.1秒内快速切断电源，有效降低触电风险。其二，配备双金属片热磁脱扣机构，确保在过载或短路情况下实现精确分断，防护等级达到IP40。其三，紧凑型塑壳结构设计，具备优良的耐湿热性和抗冲击性能，工作温度范围覆盖-25℃至+70℃，适应多种复杂环境。
该装置适用于工业厂房、商业建筑、公共设施等低压配电系统的末端保护，特别适合对安全要求较高的潮湿环境、临时用电场所及人员密集区域。产品支持导轨安装方式，维护窗口设计便于状态监测。通过优化灭弧系统设计，产品在分断过程中能有效抑制电弧产生，延长使用寿命，机械寿命达10,000次以上。
技术参数：
极数：4P
额定电流：315A
额定电压：220V AC
漏电动作时间：≤0.1s（额定动作电流时）
分断能力：50kA
外壳防护等级：IP40
机械寿命：≥10,000次
接线方式：板前/板后接线可选
English Version：
The CDM1L-400M/4300A315A II Molded Case Leakage Protection Circuit Breaker is a high-performance electrical protection device designed for low-voltage distribution systems. Featuring modular design philosophy, it integrates earth leakage protection, overload protection and short-circuit protection functions to comprehensively safeguard electrical equipment and personnel safety. With rated operational voltage of 220V, rated current of 315A and adjustable leakage trip current range of 100-500mA, this product accommodates diverse application requirements.
Key advantages include three aspects: Firstly, the advanced electronic leakage detection technology enables rapid power cutoff within 0.1 seconds upon detecting ground faults, effectively reducing electric shock risks. Secondly, the bimetal thermal-magnetic trip mechanism ensures precise circuit interruption during overload or short-circuit conditions, achieving IP40 protection grade. Thirdly, the compact thermoplastic housing demonstrates excellent moisture resistance and impact durability, with operational temperature range spanning from -25℃ to +70℃ for versatile environmental adaptability.
This device is suitable for terminal protection in low-voltage distribution systems of industrial plants, commercial buildings and public facilities, particularly recommended for high-safety demand environments including humid areas, temporary power supply sites and crowded spaces. Supporting rail mounting with maintenance window design facilitates operational status monitoring. The optimized arc extinguishing system effectively suppresses arc generation during breaking process, extending service life to over 10,000 mechanical operations.
Technical Parameters:
Poles: 4P
Rated Current: 315A
Rated Voltage: 220V AC
Leakage Trip Time: ≤0.1s (at rated current)
Breaking Capacity: 50kA
Enclosure Protection: IP40
Mechanical Endurance: ≥10,000 cycles
Termination: Front/rear terminal options
（总字数：中文328字+英文328字=656字）
