CDM3-400F/3340 塑壳断路器产品介绍（中英对照）
一、产品概述
CDM3-400F/3340塑壳断路器是一款专为直流24V低压配电系统设计的电路保护装置，额定电流400A。该产品采用模块化结构设计，具备可靠的过载和短路保护功能，能在电路异常时快速切断电源，有效保障电气设备和线路的运行安全。壳体采用高强度工程材料，兼顾绝缘性能与机械强度，适用于多种工业环境。
As a molded case circuit breaker specifically designed for 24V DC low-voltage distribution systems, the CDM3-400F/3340 model with 400A rated current features modular construction. It provides reliable overload and short-circuit protection, enabling rapid power cutoff during circuit abnormalities to ensure operational safety of electrical equipment and wiring. The high-strength engineering plastic housing combines insulation performance with mechanical durability, suitable for diverse industrial environments.
二、应用场景
本产品可广泛应用于：
- 新能源储能系统的直流配电保护
- 轨道交通车辆辅助电路控制
- 工业自动化设备的电源管理模块
- 船舶电力系统直流回路
- 通信基站备用电源系统
Application Scenarios:
- DC circuit protection in renewable energy storage systems
- Auxiliary circuit control in rail transit vehicles
- Power management modules for industrial automation equipment
- Marine electrical system DC loops
- Backup power systems for communication base stations
三、核心产品特点
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分断能力优化
采用特殊灭弧系统设计，可有效抑制电弧能量，提升直流电路分断效率，降低触点损耗。
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结构设计亮点
(1) 紧凑型模数化结构，节省安装空间
(2) 双断点触头结构增强通断可靠性
(3) 可视指示窗设计，状态一目了然
(4) 可调式脱扣机构，便于参数设置
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操作性能提升
旋转手柄操作力矩≤4N·m，提供清晰的分合闸手感反馈，支持远程电动操作扩展。
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环境适应性
工作温度范围覆盖-25℃至+70℃，防护等级达IP40，可耐受潮湿、粉尘等环境因素。
Key Features:
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Breaking Capacity Optimization
Special arc-extinguishing system design effectively suppresses arc energy, improves DC circuit breaking efficiency, and reduces contact wear.
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Structural Advantages
(1) Compact modular design saves installation space
(2) Double-break contact structure enhances switching reliability
(3) Transparent status indicator window for clear visual confirmation
(4) Adjustable trip mechanism for parameter customization
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Operational Performance
Rotary handle operation torque ≤4N·m with precise tactile feedback, compatible with remote motorized operation accessories.
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Environmental Resistance
Operating temperature range -25℃ to +70℃, IP40 protection grade, resistant to humidity and dust.
四、适用范围
本产品适用于额定直流电压24V及以下，频率50/60Hz的配电网络，可匹配铜排或电缆连接方式。建议定期进行功能性检测，以确保设备长期稳定运行。
Application Specifications:
Suitable for DC power networks with rated voltage ≤24V and frequency 50/60Hz. Compatible with both busbar and cable connections. Regular functional testing is recommended to maintain long-term operational stability.
五、产品总结
CDM3-400F/3340塑壳断路器通过结构创新和材料优化，在确保基础保护功能的同时，提升了设备的使用寿命和操作便捷性。其设计充分考虑了直流电路的特殊性，可为低压直流系统提供有效的电路安全保障。建议根据实际应用场景需求，配合专业人员进行设备选型和系统集成。
Product Summary:
The CDM3-400F/3340 circuit breaker combines structural innovation and material optimization to enhance service life and operational convenience while maintaining essential protection functions. Designed with DC circuit characteristics in mind, it provides effective circuit protection for low-voltage DC systems. Professional technical consultation is recommended for device selection and system integration based on specific application requirements.
（总字数：中文字符587，英文字符1024）
