CDM6I-250S/4200B 140A塑壳配电保护装置中英文技术说明
【中文版】
CDM6I-250S/4200B 140A塑壳配电保护装置是专为现代配电系统设计的智能化保护设备，适用于交流50/60Hz、额定工作电压至400V的配电网络。本产品采用模块化结构设计，集成多项电路保护功能，可有效应对配电系统中可能出现的过载保护、短路防护等需求，为电气设备运行提供安全保障。
核心参数方面，装置额定电流140A，框架电流等级250A，四极结构（4200B配置）适用于三相四线制系统。分断能力设计充分考虑了工业用电环境需求，可在规定条件下快速切断故障电路。产品采用高导磁率合金触点材料与耐电弧绝缘组件，配合精确的电磁脱扣机构，保障了操作的可靠性与使用寿命。
该装置具备人性化设计特征，操作手柄采用人体工学双断点结构，分合闸动作清晰明确。透明防护罩设计便于观察内部状态，模块化附件支持灵活扩展功能。安装方式兼容标准导轨与固定式两种方案，适配多种配电柜结构需求。在环保设计方面，产品符合低能耗要求，运行过程中温升控制稳定，有助于延长设备整体使用寿命。
CDM6I系列产品适用于工业厂房、商业建筑、基础设施等多个领域的配电系统保护。通过优化电磁系统设计和机械传动结构，实现了保护精度与操作稳定性的平衡。产品生产过程执行严格的工艺标准，关键部件经过多道检测工序，确保各环节性能参数符合设计要求。
【English Version】
The CDM6I-250S/4200B 140A molded case circuit protection device is an intelligent protection solution developed for modern power distribution systems. Designed for AC 50/60Hz networks with rated operational voltage up to 400V, this product adopts modular architecture to integrate multiple circuit protection functions, effectively addressing overload protection and short-circuit prevention requirements in power distribution applications.
With rated current of 140A and frame current level of 250A, the four-pole configuration (4200B type) is suitable for three-phase four-wire systems. The breaking capacity is engineered to meet industrial power environment demands, ensuring rapid fault circuit interruption under specified conditions. Advanced magnetic alloy contacts and arc-resistant insulation components, combined with precision electromagnetic trip mechanism, ensure operational reliability and extended service life.
Featuring user-centric design, the ergonomic double-break handle provides clear switching indication. Transparent protective cover allows visual status inspection, while modular accessories support functional expansion. Installation flexibility includes both standard rail mounting and fixed mounting options, adaptable to various switchboard configurations. Environmental considerations are reflected in low energy consumption design and stable temperature control during operation, contributing to overall system durability.
This series is applicable for power system protection in industrial plants, commercial buildings, and infrastructure projects. Through optimized electromagnetic design and mechanical transmission structure, it achieves balanced performance in protection accuracy and operational stability. Manufacturing processes implement rigorous quality control, with critical components undergoing multi-stage inspection to ensure compliance with design specifications.
The product demonstrates adaptability to diverse load characteristics while maintaining consistent performance under varying environmental conditions. Structural design emphasizes maintenance convenience, allowing efficient routine inspection and component replacement when required. These comprehensive features make it a practical solution for upgrading existing electrical systems and implementing new power distribution projects.
