CDM3-63F/4300B塑壳断路器产品介绍（中文版）
CDM3-63F/4300B塑壳断路器是一款适用于低压配电系统的核心保护装置，采用模块化设计理念，可实现对线路过载、短路等故障的快速分断保护。产品额定电流63A，适用于交流50Hz/60Hz、额定工作电压至400V的配电网络，为工业控制、建筑电气及基础设施等领域提供可靠的电能管理解决方案。
本产品壳体采用高强度工程塑料与金属部件复合结构，兼具耐高温与抗冲击特性。触头系统经特殊合金材料强化处理，配合双断点分断技术，有效提升电弧熄灭效率。四极（4300B）设计可满足三相四线制系统的中性线保护需求，适配多种配电柜安装环境。
通过优化电磁脱扣机构与热脱扣机构的协同工作性能，产品可实现精准的过载长延时保护和短路瞬时保护。手柄操作机构采用人体工学设计，提供清晰的闭合/分断状态指示，并支持远程状态监测接口扩展。接线端子采用防松脱结构，支持35mm²及以下导线可靠连接。
该断路器适用于常规配电回路、电动机保护回路及照明系统的过电流防护，可广泛应用于商业建筑、生产车间、公共设施等场合。产品具备分断能力高、使用寿命长、维护便捷等特点，其紧凑型结构设计可有效节省配电柜空间占用。为保障使用安全，建议定期进行功能检测并根据实际工况合理选型。
CDM3-63F/4300B Molded Case Circuit Breaker Product Introduction (English Version)
The CDM3-63F/4300B molded case circuit breaker is a core protection device designed for low-voltage distribution systems. Featuring modular architecture, it delivers rapid circuit interruption for overload and short-circuit protection. With a rated current of 63A, this product is suitable for AC 50Hz/60Hz networks up to 400V, providing reliable power management solutions for industrial control systems, building electrical installations, and infrastructure applications.
Constructed with high-strength engineering plastics combined with metal components, the housing demonstrates excellent heat resistance and mechanical durability. The contact system employs specially alloyed materials and dual-breakpoint technology to enhance arc extinguishing efficiency. The four-pole (4300B) configuration meets neutral line protection requirements in three-phase four-wire systems, adaptable to various panelboard installations.
Precision coordination between electromagnetic and thermal trip mechanisms ensures accurate long-delay overload protection and instantaneous short-circuit response. The ergonomic operating handle provides clear ON/OFF position indication, with optional remote status monitoring interfaces. Anti-loosening terminal design securely accommodates conductors up to 35mm².
This circuit breaker is suitable for overcurrent protection in general distribution circuits, motor control circuits, and lighting systems. Typical applications include commercial buildings, manufacturing plants, and public facilities. The compact construction optimizes panel space utilization while maintaining high breaking capacity and extended service life. Regular functional verification and proper selection based on operational conditions are recommended to ensure system safety.
