塑壳断路器 CDM1-125L/3330 63A AC380V 产品介绍
产品概述
CDM1-125L/3330 塑壳断路器是一款适用于低压配电系统的高性能电气保护装置，专为AC380V配电网络设计，额定电流63A。该产品采用模块化结构设计，集过载保护、短路保护和隔离功能于一体，可有效保障电力设备和线路的安全运行。其紧凑型外壳采用高强度工程塑料制造，具备良好的绝缘性能和机械强度，适用于工业控制柜、建筑配电箱及设备终端的电路保护场景。
核心特点
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智能保护机制：内置热磁式脱扣机构，通过双金属片热效应与电磁铁瞬动配合，实现精确的过载长延时保护与短路瞬时保护，响应时间＜20ms。三段式保护特性确保在电流异常时及时切断故障电路，降低设备损伤风险。
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稳定电气性能：优化设计的触头系统采用银合金材料，接触电阻低至50μΩ以下，配合灭弧室的多层金属栅片结构，使产品在AC380V工况下达到6kA分断能力，可承受瞬时短路电流冲击。
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人性化操作设计：配备清晰的三位式机械指示器（接通/断开/脱扣），配合正面红色脱扣指示窗，便于快速识别断路器状态。操作手柄符合人体工学设计，操作力矩＜3N·m，提供顺畅的分合闸体验。
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环境适应性：宽温型设计支持-25℃至+70℃工作环境，防护等级达IP40，可适应潮湿、粉尘等复杂工况。全系列部件通过20000次机械寿命测试，确保长期稳定运行。
应用领域
本产品适用于以下场景：
- 制造业：机床设备、生产线配电柜主开关
- 建筑工程：楼宇动力配电箱进线保护
- 基础设施：水泵控制系统、照明配电回路
- 新能源配套：光伏逆变器输出端电路保护
技术参数
额定电压：AC380V
额定电流：63A（可调范围：40-63A）
极数：3P
脱扣特性：固定式热磁脱扣
机械寿命：≥20000次
电气间隙：≥5.5mm
安装方式：标准35mm导轨安装
使用建议
建议定期进行功能测试（至少每年一次），保持通风散热空间≥20mm，多台并列安装时需保持≥5mm间距。适用于海拔2000米以下区域，避免在含有腐蚀性气体或剧烈震动的环境中使用。
CDM1-125L/3330 Molded Case Circuit Breaker 63A AC380V Product Introduction
Product Overview
The CDM1-125L/3330 molded case circuit breaker is a high-performance electrical protection device designed for low-voltage distribution systems, specifically engineered for AC380V power networks with a rated current of 63A. Featuring modular construction, it integrates overload protection, short-circuit protection, and isolation functions to ensure safe operation of electrical equipment and circuits. The compact housing, manufactured from high-strength engineering plastics, offers excellent insulation and mechanical durability, making it suitable for circuit protection in industrial control cabinets, building distribution panels, and equipment terminals.
Key Features
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Intelligent Protection: Equipped with thermomagnetic trip unit combining bimetal thermal effect and electromagnetic instantaneous action, delivering precise long-delay overload protection (＜20ms response) and instantaneous short-circuit protection. Three-stage protection characteristics ensure timely fault circuit interruption.
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Enhanced Electrical Performance: Silver-alloy contacts with contact resistance below 50μΩ and multi-layer arc chute design provide 6kA breaking capacity at AC380V, effectively withstanding short-circuit current impacts.
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User-Centric Design: Three-position mechanical indicator (ON/OFF/TRIP) with front-mounted red trip window enables quick status identification. Ergonomic handle requires ＜3N·m operating torque for smooth switching.
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Environmental Durability: Operates reliably in -25℃ to +70℃ environments with IP40 protection rating. All components undergo 20,000-cycle mechanical endurance testing for sustained performance.
Applications
- Manufacturing: Machine tool power distribution, production line control cabinets
- Construction: Building power distribution panel main switches
- Infrastructure: Pump control systems, lighting circuits
- Renewable Energy: Photovoltaic inverter output protection
Technical Specifications
Rated Voltage: AC380V
Rated Current: 63A (Adjustable range: 40-63A)
Poles: 3P
Trip Characteristic: Fixed thermomagnetic
Mechanical Life: ≥20,000 operations
Electrical Clearance: ≥5.5mm
Mounting: Standard 35mm DIN rail
Usage Guidance
Annual functional testing recommended. Maintain ≥20mm ventilation space and ≥5mm clearance between adjacent units. Suitable for altitudes ≤2000m. Avoid corrosive atmospheres and severe vibration environments.
