CDM3-160S/4300B 塑殼斷路器產品介紹
一、產品概述
CDM3-160S/4300B塑殼斷路器是一款專為低壓配電系統設計的電路保護裝置，額定工作電流160A，采用先進的三維滅弧技術和模塊化結構設計。產品適用于交流50/60Hz、額定工作電壓至690V的配電網絡，可實現對線路及用電設備的過載、短路等故障的可靠保護。斷路器殼體采用高強度工程塑料與金屬部件復合結構，兼具優良的絕緣性能和機械強度。
二、結構特點
- 滅弧系統：配置多層金屬柵片滅弧室和氣體導流通道，能快速熄滅故障電弧，有效提升分斷能力
- 觸頭結構：銀合金主觸頭搭配耐電弧復合材料副觸頭，確保穩定導電與長使用壽命
- 操作機構：采用彈簧儲能式快速動作機構，瞬時脫扣時間≤20ms，實現精準保護
- 外觀設計：緊湊型殼體尺寸（長×寬×高：105×85×75mm），支持多種安裝方式
- 附件兼容：預留擴展接口，可適配多種輔助觸點、分勵脫扣器等電氣附件
三、應用領域
本產品廣泛應用于：
- 工業廠房電力分配系統
- 商業建筑配電柜
- 光伏發電系統直流側保護
- 港口機械動力控制回路
- 軌道交通輔助供電系統
四、技術參數
額定電流：160A（可調范圍100-160A）
極數配置：3P+N
額定分斷能力：50kA（440V AC）
機械壽命：20,000次操作
接線方式：支持板前/板后雙向接線
安裝方式：標準導軌安裝或螺栓固定
五、使用環境
工作溫度：-25℃至+70℃
存儲溫度：-40℃至+85℃
相對濕度：≤95%（無凝露）
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)
產品優勢說明：
該斷路器采用模塊化設計方案，支持現場升級改造和維護部件更換。雙斷點觸頭結構配合可視化分合閘指示，有效提升電路安全防護能力。優化的熱磁脫扣特性曲線可匹配不同負載類型的保護需求，內置的防誤操作機構可預防非正常狀態下的強制合閘操作。產品通過合理的散熱設計和材料選擇，能在高密度安裝環境下保持穩定工作狀態。
