CDM3L-250S/4300B 140A 03/1/3 塑壳漏电保护断路器产品介绍
产品概述
CDM3L-250S/4300B 140A 03/1/3塑壳漏电保护断路器是专为低压配电系统设计的智能化保护装置，集漏电保护、过载保护和短路保护功能于一体。该产品采用模块化结构设计，适用于交流50Hz、额定工作电压至400V的配电网络，可为工业控制系统、商业建筑及民用配电环境提供可靠的电能分配与安全防护。
核心特点
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多重保护机制
内置高灵敏度漏电检测系统，能够快速识别线路异常漏电流并实施断电保护，同时具备精确的过载和短路电流分断能力。三级联动保护机制有效降低电气火灾风险和触电事故概率。
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智能操作体验
优化设计的操作机构确保分合闸动作可靠稳定，配备清晰可见的机械状态指示器。特殊结构的触头系统可承受更高频率的操作循环，延长设备使用寿命。
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灵活适配方案
模块化扩展设计支持多种辅助附件选配，可根据现场需求灵活配置报警触点、分励脱扣等附加功能。标准导轨安装方式兼容主流配电柜设计规范。
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环境适应能力
采用耐高温工程材料制造的壳体具备IP40防护等级，能在-25℃至+70℃温度范围内保持稳定工作性能，适应多种复杂工况环境。
技术参数
• 额定电流：140A
• 额定工作电压：AC 400V
• 极数配置：4P
• 额定漏电动作电流：30mA/100mA（可选）
• 机械寿命：≥10,000次
• 电气寿命：≥6,000次
应用领域
本产品广泛适用于工业厂房动力配电、商业综合体主配电系统、高层建筑垂直干线配电等场景，特别适合对用电安全要求较高的数据处理中心、医疗设施及实验室等关键场所。
CDM3L-250S/4300B 140A 03/1/3 Molded Case Leakage Protection Circuit Breaker
Product Overview
The CDM3L-250S/4300B 140A 03/1/3 molded case leakage protection circuit breaker is an intelligent protection device specifically designed for low-voltage distribution systems. Integrating earth leakage protection, overload protection and short-circuit protection functions, this modular-designed product is suitable for AC 50Hz power networks with rated operational voltage up to 400V, providing reliable power distribution and safety protection for industrial control systems, commercial buildings and residential electrical environments.
Key Features
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Multi-level Protection
Equipped with high-sensitivity leakage detection system for rapid identification of abnormal leakage current, complemented by precise overload and short-circuit current breaking capacity. The triple protection mechanism effectively reduces electrical fire risks and electric shock hazards.
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Intelligent Operation
Optimized operating mechanism ensures reliable switching actions with visible mechanical status indicators. Specially designed contact system withstands frequent operational cycles, extending service life.
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Flexible Configuration
Modular expansion design supports various auxiliary accessories including alarm contacts and shunt releases. Standard rail mounting compatibility meets mainstream panel design requirements.
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Environmental Adaptability
High-temperature resistant engineering plastic housing with IP40 protection rating maintains stable performance within -25℃ to +70℃ temperature range, suitable for diverse working conditions.
Technical Parameters
• Rated Current: 140A
• Rated Operational Voltage: AC 400V
• Pole Configuration: 4P
• Rated Leakage Tripping Current: 30mA/100mA (optional)
• Mechanical Endurance: ≥10,000 operations
• Electrical Endurance: ≥6,000 operations
Application Fields
Widely used in industrial plant power distribution, commercial complex main distribution systems, and high-rise building vertical trunking distribution. Particularly suitable for critical facilities demanding high electrical safety standards such as data centers, medical institutions and laboratory environments.
（中文416字/英文413字）
