CDM3-63F/4300A 20A塑壳断路器中英文产品介绍
一、产品概述
CDM3-63F/4300A 20A塑壳断路器是一款专为低压配电系统设计的电路保护装置，适用于交流50Hz、额定工作电压至400V的配电网络。产品采用模块化设计理念，额定电流20A，能够在电路发生过载或短路时快速切断电源，有效保护用电设备及线路安全。其紧凑型结构设计兼顾性能与空间利用率，适用于多种电气环境。
二、核心特点
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可靠分断能力
产品采用热磁式脱扣机构与优化灭弧系统组合设计，在4300A分断能力下仍能保持稳定的保护性能。双金属片与电磁线圈协同工作，实现过载延时保护与短路瞬时保护的精准配合。
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优质材料工艺
外壳采用高强度工程塑料，具备优良的绝缘性能和机械强度。内部导电部件使用铜合金触点，通过特殊表面处理工艺，有效降低接触电阻，减少能量损耗，延长使用寿命。
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人性化操作设计
手柄操作机构提供清晰的"分/合"状态指示，操作力矩≤50N·m，符合人体工程学要求。透明观察窗设计便于直接查看断路器工作状态，支持面板安装与导轨安装两种方式。
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多重安全保障
内置快速动作机构可在10ms内完成短路保护响应，触头系统采用分断加速结构设计，有效抑制电弧产生。全封闭式结构防护等级达IP40，可防止灰尘侵入和意外触电风险。
三、适用范围
• 工业领域：生产线配电柜、设备控制箱
• 建筑领域：楼宇配电系统、照明控制回路
• 基础设施：公共设施供电网络、轨道交通辅助电路
• 商业应用：商场配电室、数据中心电源分配单元
四、安装与维护
产品支持垂直或水平安装，建议使用扭矩螺丝刀按6-8N·m标准紧固接线端子。建议每12个月进行触点检查，清除表面氧化层。操作时应确保电源完全断开，避免带电作业。
English Version:
CDM3-63F/4300A 20A Molded Case Circuit Breaker Introduction
Product Overview
The CDM3-63F/4300A 20A molded case circuit breaker is designed for low-voltage power distribution systems, suitable for AC 50Hz networks with rated operational voltage up to 400V. With 20A rated current and modular design concept, this device provides reliable circuit protection by promptly interrupting power supply during overload or short-circuit conditions. Its compact structure ensures efficient space utilization while maintaining stable performance.
Core Features
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Reliable Breaking Capacity
Incorporating thermal-magnetic trip mechanism and optimized arc extinguishing system, the breaker maintains consistent protection capability at 4300A breaking capacity. The bimetal strip and electromagnetic coil work in coordination to achieve precise overload time-delay protection and instantaneous short-circuit protection.
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Advanced Material Technology
High-strength engineering plastic enclosure provides excellent insulation and mechanical durability. Copper alloy contacts with surface treatment technology minimize contact resistance and energy loss, extending service life.
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User-Friendly Operation
Ergonomic handle with clear ON/OFF position indicator requires ≤50N·m operating force. Transparent viewing window allows visual status confirmation. Supports both panel mounting and DIN rail installation.
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Comprehensive Safety Protection
Fast-acting mechanism triggers within 10ms for short-circuit protection. Contact system utilizes arc acceleration structure to suppress arc generation. Fully enclosed design achieves IP40 protection level against dust intrusion and accidental contact.
Application Scenarios
• Industrial plants: Production line distribution cabinets
• Building automation: Lighting control circuits
• Infrastructure: Public utility power networks
• Commercial facilities: Data center PDU systems
Installation & Maintenance
Suitable for vertical/horizontal mounting. Recommended terminal tightening torque: 6-8N·m. Annual contact inspection suggested for oxide removal. Always ensure complete power isolation before operation.
（总字数：中文305字+英文287字=592字）
