CDM3-160S/4300B 塑壳断路器产品介绍
一、产品概述
CDM3-160S/4300B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，额定工作电流160A，采用先进的三维灭弧技术和模块化结构设计。产品适用于交流50/60Hz、额定工作电压至690V的配电网络，可实现对线路及用电设备的过载、短路等故障的可靠保护。断路器壳体采用高强度工程塑料与金属部件复合结构，兼具优良的绝缘性能和机械强度。
二、结构特点
- 灭弧系统：配置多层金属栅片灭弧室和气体导流通道，能快速熄灭故障电弧，有效提升分断能力
- 触头结构：银合金主触头搭配耐电弧复合材料副触头，确保稳定导电与长使用寿命
- 操作机构：采用弹簧储能式快速动作机构，瞬时脱扣时间≤20ms，实现精准保护
- 外观设计：紧凑型壳体尺寸（长×宽×高：105×85×75mm），支持多种安装方式
- 附件兼容：预留扩展接口，可适配多种辅助触点、分励脱扣器等电气附件
三、应用领域
本产品广泛应用于：
- 工业厂房电力分配系统
- 商业建筑配电柜
- 光伏发电系统直流侧保护
- 港口机械动力控制回路
- 轨道交通辅助供电系统
四、技术参数
额定电流：160A（可调范围100-160A）
极数配置：3P+N
额定分断能力：50kA（440V AC）
机械寿命：20,000次操作
接线方式：支持板前/板后双向接线
安装方式：标准导轨安装或螺栓固定
五、使用环境
工作温度：-25℃至+70℃
存储温度：-40℃至+85℃
相对湿度：≤95%（无凝露）
海拔高度：≤2000m（更高海拔需降容使用）
CDM3-160S/4300B Molded Case Circuit Breaker Product Introduction
I. Product Overview
The CDM3-160S/4300B molded case circuit breaker is a circuit protection device designed for low-voltage distribution systems, featuring a rated current of 160A. Incorporating three-dimensional arc extinguishing technology and modular structure design, it is suitable for AC 50/60Hz power networks with rated operational voltage up to 690V. The breaker provides reliable protection against overload and short-circuit faults for electrical circuits and equipment. Its composite housing combines high-strength engineering plastics with metal components, delivering excellent insulation and mechanical durability.
II. Structural Features
- Arc Control System: Multi-layer metal grid arc chamber with gas venting channels ensures rapid arc extinction and enhanced breaking capacity
- Contact System: Silver-alloy main contacts paired with arc-resistant composite auxiliary contacts guarantee stable conductivity and extended service life
- Operating Mechanism: Spring-energy storage quick-action mechanism achieves precise protection with instantaneous trip time ≤20ms
- Compact Design: Space-saving dimensions (105×85×75mm) support multiple installation configurations
- Modular Expandability: Pre-configured interfaces allow integration with auxiliary contacts, shunt trips, and other electrical accessories
III. Typical Applications
This product is widely used in:
- Power distribution systems for industrial plants
- Commercial building distribution cabinets
- DC-side protection in photovoltaic systems
- Port machinery power control circuits
- Auxiliary power supply systems for rail transit
IV. Technical Parameters
Rated Current: 160A (Adjustable range 100-160A)
Pole Configuration: 3P+N
Breaking Capacity: 50kA (440V AC)
Mechanical Endurance: 20,000 operations
Termination Options: Front/rear bidirectional wiring
Mounting Methods: Standard rail mounting or bolt fixation
V. Operating Conditions
Ambient Temperature: -25℃ to +70℃
Storage Temperature: -40℃ to +85℃
Relative Humidity: ≤95% (non-condensing)
Altitude: ≤2000m (Derating required for higher elevations)
产品优势说明：
该断路器采用模块化设计方案，支持现场升级改造和维护部件更换。双断点触头结构配合可视化分合闸指示，有效提升电路安全防护能力。优化的热磁脱扣特性曲线可匹配不同负载类型的保护需求，内置的防误操作机构可预防非正常状态下的强制合闸操作。产品通过合理的散热设计和材料选择，能在高密度安装环境下保持稳定工作状态。
