CDM6S-400M/4310B 塑壳式配电保护装置产品介绍（中文版）
CDM6S-400M/4310B 是一款专为直流220V配电系统设计的高性能保护装置，采用模块化结构设计，适用于额定电流400A的电力分配场景。产品集过载保护、短路保护等核心功能于一体，可有效提升配电系统的可靠性与安全性。
核心特点：
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稳健结构设计
壳体采用高强度工程材料注塑成型，具备良好的机械强度和耐候性，能适应-25℃至+70℃的工作环境。内部触头系统选用银基合金材料，配合多重灭弧结构设计，有效抑制电弧产生。
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智能保护机制
集成热磁双保护单元，可根据负载特性自动匹配保护曲线。电磁脱扣机构响应时间小于20ms，支持精准的短路电流分断。热脱扣组件采用双金属片温度补偿技术，有效规避环境温差对保护精度的影响。
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人性化操作界面
配备四档可视化分合闸指示窗，支持远程/本地双控制模式。旋转手柄操作力矩≤5N·m，符合人体工程学设计规范。内置机械联锁装置，确保操作过程的安全可靠性。
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灵活扩展能力
预留标准通讯接口位，支持后期数字化升级改造。模块化附件设计便于维护更换，三极联动结构确保各相位的同步动作精度。
应用领域：
本产品适用于轨道交通牵引供电、光伏储能系统、直流微电网等220V直流配电场景，可为数据中心备用电源系统、工业自动化控制回路等关键负载提供电路保护。
安装维护：
支持垂直/水平多向安装方式，导轨固定结构简化装配流程。建议定期进行触点清洁维护，推荐检查周期为12个月或操作2000次后（以先到者为准）。
CDM6S-400M/4310B Molded Case Circuit Protector (English Version)
The CDM6S-400M/4310B is a high-performance protection device specifically engineered for 220V DC power distribution systems. With modular architecture design, this 400A rated device delivers comprehensive circuit protection for modern electrical networks.
Key Features:
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Robust Construction
The polycarbonate composite housing provides IP40 protection grade and UL94 V-0 flame resistance. Copper alloy busbars with tin-plated terminals ensure stable conductivity. Arc chutes with deionization plates achieve efficient arc extinction.
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Adaptive Protection
Dual protection mechanism combines thermal-magnetic tripping technology. Magnetic trip unit responds within 18ms for short-circuit events, while thermal element maintains ±10% current calibration accuracy. Adjustable time-current characteristic curves accommodate various load profiles.
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Operational Safety
Three-position rotary handle (ON/OFF/TRIPPED) with tactile feedback. Mechanical interlock prevents cover removal during operation. Transparent inspection window allows visual contact status confirmation without disassembly.
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System Integration
Uniform mounting dimensions comply with industry specifications. Auxiliary contact slots support alarm signaling modules. Test button facilitates routine functional verification during maintenance.
Typical Applications:
- DC traction power supply for rail transit
- Battery storage systems in renewable energy plants
- Emergency lighting circuits in commercial buildings
- Process control panels in industrial facilities
Installation Guidelines:
Ambient temperature range: -25°C to +70°C (derating required above 55°C). Maintain minimum 50mm clearance for heat dissipation. Torque terminals to 25N·m using calibrated tools. Periodic lubrication of rotating parts recommended every 3,000 operations.
This product embodies practical engineering solutions for modern DC power distribution challenges, delivering reliable circuit protection through optimized design and quality craftsmanship.
