CDM6S-800M/4300A 400A塑壳配电保护装置技术说明
CDM6S-800M/4300A 400A塑壳配电保护装置是专为现代化配电系统设计的智能化电气保护设备。采用模块化结构设计，能够在380V/415V交流配电网络中实现可靠的线路保护与控制功能。壳体选用高强度工程材料一体成型，内部集成精密电磁机构与热磁保护单元，具备良好的机械强度和环境适应能力。
该装置搭载智能化分断机构，可在短路、过载等异常工况下实现快速分断。优化设计的触头系统配合多层灭弧结构，有效提升分断能力并降低电弧影响。整机结构紧凑，宽度方向尺寸较常规产品缩减约15%，适应多种配电柜的安装空间要求。操作机构采用三位置指示设计（分闸、合闸、脱扣），配合清晰的机械状态窗口，便于运维人员现场观察设备状态。
在性能参数方面，装置额定运行电流400A，短时耐受电流达50kA，满足工业环境下的严苛配电要求。特殊设计的连接端子支持35-185mm²导线可靠接入，铜铝复合导体应用降低了接触电阻。内置温度补偿机制可自动修正环境温度对保护精度的影响，确保在-25℃至+70℃工作范围内保持稳定的保护特性。
适用于制造业厂房、商业建筑、基础设施等配电场景，可有效保护电缆、变压器、电动机等设备。支持水平或垂直安装方式，维护窗口设计便于进行周期性检查。标准化附件接口可扩展连接电动操作机构、报警触点等辅助模块，满足智能化配电系统升级需求。
CDM6S-800M/4300A 400A Molded Case Circuit Protection Device Technical Description
The CDM6S-800M/4300A 400A molded case circuit protection device is an intelligent electrical protection solution developed for modern power distribution systems. Featuring modular construction design, it provides reliable circuit protection and control functions in 380V/415V AC distribution networks. The housing is manufactured with high-strength engineering materials using integrated molding technology, incorporating precision electromagnetic mechanisms and thermal-magnetic protection units to ensure excellent mechanical durability and environmental adaptability.
Equipped with an intelligent tripping mechanism, the device enables rapid circuit interruption under short-circuit and overload conditions. The optimized contact system combined with multi-layer arc extinguishing structure enhances breaking capacity while minimizing arc effects. With compact dimensions achieving approximately 15% width reduction compared to conventional products, it accommodates various switchgear installation requirements. The three-position indicator mechanism (OFF/ON/TRIPPED) and clear status observation window facilitate operational maintenance.
Technical specifications include 400A rated operational current and 50kA short-time withstand current, meeting rigorous industrial power distribution demands. Specially designed terminals ensure secure connection for 35-185mm² conductors, with copper-aluminum composite materials reducing contact resistance. Integrated temperature compensation mechanism automatically adjusts protection accuracy across -25℃ to +70℃ operating range, maintaining stable performance parameters.
Suitable for manufacturing plants, commercial buildings, and infrastructure projects, the device effectively protects cables, transformers, and motor loads. Flexible horizontal/vertical mounting options and maintenance-friendly access points simplify periodic inspections. Standardized accessory interfaces allow expansion with motorized operators and alarm contacts, supporting intelligent power system upgrades. Corrosion-resistant surface treatment and vibration-damping structural design enhance long-term operational reliability in diverse industrial environments.
