CDM3-400R/3300² 250A塑壳断路器中英文产品介绍
中文版：
CDM3-400R/3300² 250A塑壳断路器是一款专为低压配电系统设计的高性能电路保护装置，适用于额定工作电压交流400V、额定电流250A的电力环境中。产品采用模块化结构设计，集成过载、短路等基础保护功能，可有效实现线路的可靠分断与设备安全防护。
该断路器核心部件采用优质银合金触头材料配合灭弧室优化设计，具备稳定的电流承载能力和快速分断特性。紧凑型壳体结构在保证性能的同时减少安装空间需求，三极触头系统配合透明防护罩设计，既便于操作维护又提升使用安全性。手柄操作机构提供清晰的通断状态指示，支持多种安装方式以适应不同配电柜布局需求。
产品适用于工业厂房、商业建筑、基础设施等领域的配电系统主干线路保护，可实现对电动机、变压器等设备的过电流防护。通过优化电磁系统设计与热元件匹配，确保在宽温度范围内保持动作精度。插拔式接线端子设计简化线缆安装流程，配合扩展附件可实现远程信号监测功能。壳体采用高强度工程塑料与金属部件复合结构，兼顾电气绝缘性能与机械强度需求。
技术参数方面，产品极数为3P，额定绝缘电压800V，极限分断能力达35kA，机械寿命超过20000次，防护等级IP40。产品符合人体工程学的外观设计使操作更便捷，可配套多种安装导轨实现快速部署。
English Version:
The CDM3-400R/3300² 250A Molded Case Circuit Breaker is a high-performance circuit protection device specifically designed for low-voltage distribution systems. It operates effectively in electrical environments with rated working voltage of AC400V and rated current of 250A. Featuring modular construction, the product integrates essential protection functions including overload and short-circuit protection, ensuring reliable circuit interruption and equipment safety.
Constructed with silver alloy contacts and optimized arc extinguishing chamber, this breaker demonstrates stable current-carrying capacity and rapid tripping characteristics. Its compact housing design minimizes installation space requirements while maintaining operational efficiency. The three-pole contact system combined with a transparent protective cover enhances both maintenance accessibility and operational safety. The ergonomic handle mechanism provides clear ON/OFF status indication and supports multiple installation configurations for various switchboard layouts.
Ideal for main circuit protection in industrial plants, commercial buildings and infrastructure projects, the device effectively safeguards motors, transformers and other equipment against overcurrent conditions. Precision calibration of electromagnetic components and thermal elements ensures consistent tripping accuracy across wide temperature ranges. The plug-in terminal design simplifies cable installation processes, while optional accessories enable remote monitoring capabilities. The hybrid construction of high-strength engineering plastics and metal components delivers balanced electrical insulation and mechanical durability.
Technical specifications include 3 poles configuration, rated insulation voltage of 800V, ultimate breaking capacity up to 35kA, mechanical endurance exceeding 20,000 cycles, and IP40 protection rating. The human-centric design facilitates effortless operation, with compatibility for various mounting rails enabling rapid deployment in diverse electrical environments.
