塑壳断路器CDM1-63M/4300 50A
产品概述
CDM1-63M/4300 50A塑壳断路器是一款采用先进技术设计的三相四极配电保护装置，适用于额定电流50A的电路控制与保护。该产品采用高强度绝缘材料外壳，具有结构紧凑、分断能力优异的特点，能有效切断过载及短路电流，保障电气设备和线路安全稳定运行。其四极设计（3P+N）可满足三相四线制系统的配电需求，中性极与主极同步分合，确保电路隔离的可靠性。1816
核心功能
该断路器具备过载和短路双重保护功能，通过热磁式脱扣机构实现精准动作。当线路电流超过设定阈值时，电磁脱扣单元可快速响应（短路保护），而双金属片延时脱扣机制则针对过载电流提供保护。飞弧距离短的设计降低了安装空间要求，同时支持垂直或水平安装方式，适应不同配电柜布局需求。产品操作方式为手动直接控制，分合闸状态清晰可见，便于日常维护与故障排查。71517
技术特性
CDM1-63M/4300系列采用模块化结构，额定工作电压可达690V，适用于50Hz/60Hz交流配电网络。50A规格的脱扣器电流可调，允许根据实际负载情况灵活配置保护参数。产品内部触头系统采用银合金材料，接触电阻低且耐电弧侵蚀，显著延长电气寿命。外壳具备IP20防护等级，能有效防止直径大于12.5mm的固体异物侵入，适合工业环境使用。41223
Product Overview
The CDM1-63M/4300 50A molded case circuit breaker is a three-phase four-pole protection device designed for 50A rated current applications. Featuring a robust insulated housing and optimized arc quenching system, it ensures reliable interruption of overload and short-circuit currents in 400V/690V AC distribution systems. The 3P+N configuration provides complete circuit isolation with synchronized neutral pole operation, making it ideal for TN-S or TT earthing systems.18
Key Features
This breaker integrates thermal-magnetic trip technology, where the instantaneous magnetic trip responds to short circuits while the bimetallic strip delivers time-delayed protection against overloads. The compact design achieves minimal arc extension (below 50mm), allowing high-density panel installation. Manual operation handle indicates clear ON/OFF position with positive mechanical latching. The product supports both DIN rail and fixed mounting options, with copper alloy terminals ensuring stable conductivity under varying temperature conditions.717
Technical Specifications
Rated for 50Hz/60Hz power networks, this unit maintains consistent performance across -5°C to +40°C ambient temperatures. The 50A current rating derives from precision-calibrated tripping curves (10kA breaking capacity) suitable for motor feeders or distribution sub-circuits. Silver-nickel main contacts provide low contact resistance (<50μΩ) with self-cleaning surfaces that reduce contact welding risks. External accessories include auxiliary contacts and shunt trip modules for extended control functionality without compromising main body dimensions.41523
塑壳断路器CDM1-63M/4300 50A
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