CDM3-125T/33002 40A塑壳断路器产品介绍
产品概述
CDM3-125T/33002 40A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，具备可靠的过载与短路保护功能。该产品采用模块化结构设计，额定工作电流40A，适用于交流50/60Hz、额定工作电压至400V的配电网络。通过优化灭弧系统设计和材料选择，有效提升设备运行稳定性，为电气线路提供多重安全保障。
核心特点
- 三重保护机制：集成热磁脱扣单元，精准检测线路异常状态，实现过载延时保护和短路瞬时保护
- 紧凑型设计：优化空间布局，宽度仅72mm，节省安装空间的同时保持操作便捷性
- 可视化状态指示：配备醒目分合闸指示窗，运行状态一目了然
- 扩展兼容性：标准模数化结构支持加装辅助触点模块，满足多样化控制需求
- 耐久材料应用：核心部件采用银合金触点与耐高温绝缘材料，确保长期使用可靠性
应用领域
本产品广泛应用于建筑配电、工业控制、商业综合体等低压配电场景，特别适用于电动机保护、配电箱主开关、照明系统等需要稳定电路保护的场合。可有效防范因线路过载、短路等故障引发的电气事故。
产品优势
• 操作机构经20,000次机械寿命测试，动作特性保持稳定
• 分断能力可达6kA，快速切断故障电流
• 双接线端子设计，支持25mm²及以下导线可靠连接
• 防护等级达IP20，适应常规配电环境要求
• 旋转式卡扣安装，支持导轨快速装配
使用建议
建议安装于干燥通风环境，定期检查接线紧固状态。当手柄指示异常或频繁跳闸时，应及时排查线路隐患。本产品需由专业电工进行安装调试，推荐配合适当容量的下级保护装置构建分级保护系统。
CDM3-125T/33002 40A Molded Case Circuit Breaker Introduction
Product Overview
The CDM3-125T/33002 40A molded case circuit breaker is a circuit protection device designed for low-voltage distribution systems, providing reliable overload and short-circuit protection. With modular structure design and 40A rated current, it is suitable for AC 50/60Hz power networks up to 400V. The optimized arc extinguishing system and material selection enhance operational stability, delivering multi-level safety protection for electrical circuits.
Key Features
- Triple Protection: Integrated thermal-magnetic trip unit ensures precise detection of abnormal conditions, offering time-delayed overload protection and instantaneous short-circuit protection
- Compact Dimensions: Space-efficient design with 72mm width saves installation space while maintaining operational accessibility
- Visual Status Indication: Equipped with prominent ON/OFF position indicator for instant status recognition
- Modular Expandability: Standardized modular structure supports auxiliary contact attachments for customized control solutions
- Durable Construction: Silver alloy contacts and high-temperature resistant insulation materials ensure long-term reliability
Application Scenarios
Widely used in building power distribution, industrial control systems, commercial complexes, and other low-voltage scenarios. Particularly suitable for motor protection, distribution box main switches, and lighting systems requiring stable circuit protection. Effectively prevents electrical accidents caused by overload or short-circuit faults.
Product Advantages
• 20,000 mechanical operations verified with consistent tripping characteristics
• 6kA breaking capacity for rapid fault current interruption
• Dual-terminal design accommodates conductors up to 25mm²
• IP20 protection rating suitable for standard environments
• Snap-on DIN rail mounting for quick installation
Usage Recommendations
Install in dry, ventilated environments with regular inspection of terminal connections. Professional electrician installation required. Recommend combining with appropriate downstream protective devices to establish hierarchical protection. Prompt troubleshooting suggested when abnormal handle position or frequent tripping occurs.
（中英文合计约620字）
