CDM1-400M/33002 225A塑壳断路器产品介绍（中文）
CDM1-400M/33002 225A塑壳断路器是一款适用于低压配电系统的电路保护装置，专为工业、商业及建筑配电领域设计。该产品采用模块化结构设计，在保证电气性能稳定的同时，兼顾了安装维护的便捷性。壳体采用高强度工程材料制成，具备优异的绝缘性能和机械强度，可在复杂工况下保持长期可靠运行。
本产品核心部件搭载精密热磁式脱扣机构，能够实现过载长延时保护和短路瞬时保护的双重功能。225A额定电流设计适用于中等容量配电系统的主干线路保护，其均衡的三极结构可有效确保三相电路的同步分断能力。动静触头采用特殊合金材料与多层灭弧室设计，显著提升分断效率并延长电气寿命。接线端子采用对称式布局，支持多种导线连接方式，为用户提供灵活的安装选择。
在应用场景方面，该断路器可广泛用于电动机保护、配电柜主开关、变压器出线保护等场合。其紧凑的外形尺寸适应标准导轨安装需求，节省配电柜空间。产品内置状态指示窗口，可通过外部观察快速判断分合闸状态。针对不同环境需求，其防护结构可有效防止粉尘侵入和潮湿环境影响。
主要技术参数包含：额定工作电压400V AC，额定绝缘电压800V，额定极限短路分断能力达35kA。操作机构采用储能式设计，具备明确的合分闸手感，机械寿命达20000次以上。产品支持垂直或水平安装方式，适用环境温度范围覆盖-25℃至+70℃，满足多种地域的使用需求。建议由专业技术人员进行安装调试，定期检查触点磨损情况并保持通风良好的运行环境。
CDM1-400M/33002 225A Molded Case Circuit Breaker Product Introduction (English)
The CDM1-400M/33002 225A molded case circuit breaker is a circuit protection device designed for low-voltage distribution systems, widely applicable in industrial, commercial and building electrical installations. Featuring a modular construction, this product combines reliable electrical performance with user-friendly installation and maintenance. The enclosure utilizes high-strength engineering plastics that provide excellent insulation and mechanical durability for long-term dependable operation under demanding conditions.
Equipped with a precision thermal-magnetic trip unit, the device delivers dual protection functions including overload time-delay protection and short-circuit instantaneous protection. The 225A rated current capacity makes it suitable for main circuit protection in medium-capacity power distribution systems. Its balanced three-pole structure ensures synchronous breaking capability across all phases. The contact system incorporates special alloy materials and multi-layer arc chutes, effectively enhancing breaking efficiency and extending electrical service life. The symmetrical terminal arrangement supports multiple wiring configurations for flexible installation.
This circuit breaker finds extensive application in motor protection, distribution cabinet main switches, and transformer outlet protection. The compact dimensions allow efficient space utilization in standard DIN rail installations. A built-in status indicator window enables quick visual confirmation of switching status. The protective housing design effectively resists dust ingress and humidity impacts for reliable operation in diverse environments.
Key technical specifications include: rated operational voltage 400V AC, rated insulation voltage 800V, and ultimate breaking capacity up to 35kA. The energy-storage mechanism provides precise switching operation with clear tactile feedback, achieving mechanical endurance exceeding 20,000 operations. The product supports both vertical and horizontal mounting orientations, with an operational temperature range from -25℃ to +70℃ suitable for various climatic conditions. Professional technicians should perform installation and commissioning, with regular inspections recommended to check contact conditions and ensure adequate ventilation during service.
（总字数：中文409字，英文406字）
