CDM3L-400F/4310A塑壳漏电断路器产品介绍（中英双语）
一、产品概述
CDM3L-400F/4310A塑壳漏电断路器是针对低压配电系统开发的高性能电路保护装置，适用于交流400V电压环境，额定电流达400A。该产品采用模块化设计理念，集线路过载保护、短路保护及漏电防护功能于一体，可有效提升电力系统的安全性与稳定性。通过优化灭弧系统与脱扣机构设计，实现可靠分断与快速响应。
The CDM3L-400F/4310A Molded Case Leakage Circuit Breaker is a high-performance circuit protection device developed for low-voltage distribution systems. Designed for AC 400V environments with a rated current of 400A, it integrates overload protection, short-circuit protection, and leakage protection through modular design philosophy. The optimized arc-extinguishing system and trip mechanism ensure reliable interruption and rapid response.
二、核心功能特性
- 三重保护机制：同步实现过载长延时保护、短路瞬时保护及漏电动作保护，支持1P/3P/5P多种极数配置
- 灵敏漏电防护：内置电子式漏电检测模块，动作值精确可调，响应时间≤0.1秒
- 可视状态指示：配备机械式分合闸指示窗与故障动作指示器，运行状态一目了然
- 宽域适应性：适用环境温度-25℃至+55℃，相对湿度≤95%的工作条件
Core Features:
- Triple Protection: Combines overload time-delay protection, instantaneous short-circuit protection and leakage protection, supporting 1P/3P/5P configurations
- Precise Leakage Detection: Electronic leakage detection module with adjustable threshold, response time ≤0.1s
- Visual Status Indication: Mechanical position indicator and fault trip marker for clear status recognition
- Wide Environmental Tolerance: Operational temperature range -25℃ to +55℃, relative humidity ≤95%
三、结构设计优势
• 壳体采用高强度工程塑料，具备优良的绝缘性能与抗冲击能力
• 模块化触头系统支持快速维护更换，降低运维成本
• 灭弧室采用多级栅片结构设计，分断能力达50kA
• 紧凑型结构设计，相同电流等级下体积较常规产品减小15%
Structural Advantages:
• High-strength engineering plastic housing with excellent insulation and impact resistance
• Modular contact system enables quick maintenance and replacement
• Multi-stage arc chute design achieves breaking capacity of 50kA
• Compact structure reduces installation space by 15% compared to conventional models
四、典型应用领域
本产品广泛应用于：
- 工业厂房配电系统的主干线保护
- 商业建筑配电柜的支路防护
- 基础设施项目的电力分配单元
- 大型机电设备的电源控制回路
Typical Applications:
• Main circuit protection for industrial plant distribution systems
• Branch circuit protection in commercial building distribution cabinets
• Power distribution units for infrastructure projects
• Power control circuits of large electromechanical equipment
五、技术参数概览（中文）
额定工作电压：AC 400V
额定绝缘电压：AC 800V
额定极限分断能力：50kA
机械寿命：20,000次
操作方式：手动储能操作
安装方式：固定式/插入式（可选）
Technical Parameters（EN）:
Rated Operational Voltage: AC 400V
Rated Insulation Voltage: AC 800V
Ultimate Breaking Capacity: 50kA
Mechanical Endurance: 20,000 cycles
Operation Mode: Manual energy storage mechanism
Mounting Style: Fixed/Plug-in (optional)
本产品通过科学的结构设计与严谨的工艺控制，在确保电气性能的前提下兼顾操作便捷性与维护经济性，为低压配电系统提供可靠的终端防护解决方案。产品规格可能因技术改进进行调整，具体参数以实际产品铭牌为准。
This product combines scientific structural design with rigorous process control to deliver reliable terminal protection for low-voltage distribution systems. It balances electrical performance with operational convenience and maintenance economy. Specifications are subject to technical improvements, please refer to actual product nameplate for detailed parameters.
