CDM3L-250F/4300A 200A 塑壳漏电保护断路器产品介绍
CDM3L-250F/4300A 200A塑壳漏电保护断路器是一款专为低压配电系统设计的智能保护装置，适用于交流50Hz、额定工作电压至400V的电力网络。该产品采用先进的设计理念，集漏电保护、过载保护、短路保护等多重功能于一体，可有效提升配电系统的安全性与可靠性。其核心模块搭载精密检测机构，能够实时监测线路中的漏电电流变化，当检测值达到预设阈值时，可在极短时间内切断故障电路，有效防止触电事故和电气火灾风险。
产品外壳采用高强度工程塑料与金属部件复合结构，具备优良的机械性能和电气绝缘特性。内部触头系统采用银合金材料，配合特殊灭弧室设计，确保4300A的高分断能力。三段式保护特性（1/3/5延时可调）可根据实际应用场景灵活配置，满足不同负载类型对保护参数的个性化需求。模块化设计使安装维护更为便捷，支持导轨安装和固定式安装两种方式，适配多种配电柜结构。
该断路器适用于工业厂房、商业建筑、公共设施等低压配电场景，可承担电动机、配电线路、照明系统等设备的保护任务。人性化的操作界面配备分合闸指示、故障脱扣指示及测试按钮，便于日常巡检和维护作业。紧凑型结构设计在保证性能的同时优化空间利用率，特别适合空间受限的配电环境使用。
CDM3L-250F/4300A 200A Molded Case Earth Leakage Circuit Breaker Introduction
The CDM3L-250F/4300A 200A molded case earth leakage circuit breaker is an intelligent protection device specifically designed for low-voltage distribution systems. It operates in AC 50Hz networks with rated operational voltage up to 400V. Integrating multiple protection functions including earth leakage protection, overload protection and short-circuit protection, this product effectively enhances the safety and reliability of power distribution systems. Its core module incorporates precision detection mechanisms that continuously monitor leakage current variations in circuits. When detected values reach preset thresholds, the device can interrupt fault circuits within milliseconds, effectively preventing electric shock hazards and electrical fire risks.
The housing combines high-strength engineering plastics with metal components, offering excellent mechanical properties and electrical insulation characteristics. The silver alloy contact system, coupled with specially designed arc extinguishing chambers, ensures reliable breaking capacity up to 4300A. The adjustable three-stage protection characteristics (1/3/5 time-delay settings) allow flexible configuration according to practical application requirements, accommodating diverse load types. Modular design simplifies installation and maintenance procedures, supporting both DIN rail mounting and fixed installations for various switchboard configurations.
This circuit breaker is suitable for industrial plants, commercial buildings, and public facility low-voltage distribution networks, providing protection for motors, power lines, and lighting systems. The user-friendly interface features ON/OFF status indicators, fault trip indication, and a test button for routine inspections. Its compact structure optimizes space utilization while maintaining performance parameters, making it particularly suitable for space-constrained electrical installations. The product demonstrates balanced performance in diverse temperature environments (-25°C to +70°C), maintaining stable operation under varying climatic conditions.
