CDM3-125S/42002A 40A塑壳断路器中英文产品介绍
【中文版】
CDM3-125S/42002A 40A塑壳断路器是一款智能化配电保护装置，专为低压配电系统设计，适用于额定电流40A的电路保护需求。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，可有效保障电气设备与线路的安全运行，广泛应用于工业控制柜、商业建筑配电系统及民用电力设施等领域。
产品核心优势体现在其优化的热磁式脱扣机构，通过精确的电流感应元件实现快速响应。当电路中出现异常电流时，双金属片与电磁线圈协同工作，可在毫秒级时间内完成分断动作，有效降低故障电流对设备的损害风险。外壳采用高强度工程塑料制造，具备优异的绝缘性能和耐高温特性，配合紧凑型设计，可适配多种标准导轨安装场景。
该断路器配置透明防护罩设计，便于用户观察触点状态和分合闸指示。操作机构采用三位置指示设计（分闸/合闸/脱扣），配合人性化手柄造型，确保操作安全便捷。内部触头系统采用银合金材料制造，具备低接触电阻和高耐磨特性，有效延长产品使用寿命。产品支持垂直或水平安装方式，适应不同配电柜空间布局需求。
作为配电系统的重要保护组件，本产品在常规使用环境下可提供可靠的线路保护功能，建议定期进行维护检查以确保最佳性能表现。通过合理的选型配置，可构建多层级保护方案，满足从末端配电到主电路系统的多样化防护需求。
【English Version】
The CDM3-125S/42002A 40A Molded Case Circuit Breaker is an intelligent power distribution protection device specifically designed for low-voltage electrical systems. With a rated current of 40A, this product integrates overload and short-circuit protection functions through its modular structure design, effectively safeguarding electrical equipment and circuitry. It demonstrates wide applicability in industrial control cabinets, commercial building power distribution systems, and residential electrical installations.
The product features an optimized thermal-magnetic trip mechanism that ensures rapid response through precision current sensing components. During abnormal current conditions, the bimetal strip and electromagnetic coil work synergistically to complete circuit interruption within milliseconds, significantly reducing potential damage from fault currents. The high-strength engineering plastic housing provides excellent insulation properties and high-temperature resistance, while its compact design allows flexible installation on standard mounting rails.
Equipped with a transparent protective cover, the circuit breaker enables visual inspection of contact status and switching position indicators. The three-position indicator (OFF/ON/TRIPPED) combined with an ergonomic operating handle ensures safe and convenient operation. The silver alloy contact system exhibits low contact resistance and enhanced wear resistance, effectively extending service life. Flexible vertical or horizontal installation options adapt to various panel layout requirements.
As a critical component in power distribution systems, this device delivers reliable circuit protection under normal operating conditions. Regular maintenance checks are recommended to maintain optimal performance. Through proper configuration, it can form multi-level protection solutions to meet diverse requirements from branch circuit protection to main power system security.
The product s design emphasizes operational stability and maintenance convenience, making it a practical choice for electrical system upgrades and new installations. Comprehensive arc control technology and reinforced terminal connections further enhance its safety performance in various application scenarios.
