DZ20Y-225/3330 200A塑殼斷路器中英文產品介紹
一、產品概述
DZ20Y-225/3330 200A塑殼斷路器是一款適用于低壓配電系統的高性能電路保護裝置，采用模塊化設計理念，集成多種保護功能于一體。該產品額定工作電流200A，適用于交流50Hz、額定絕緣電壓至800V的配電網絡中，可有效實現線路的過載、短路及欠電壓保護。殼體采用耐高溫工程材料注塑成型，具備良好的絕緣性能和機械強度。
二、結構特點
- 觸頭系統選用銀基合金材料，配合優化的接觸壓力設計，確保低接觸電阻和高導電穩定性
- 高效滅弧室結構配有多重金屬柵片，能快速分斷故障電流并有效抑制電弧
- 操作機構采用彈簧儲能設計，實現快速分合閘動作，觸頭開距參數經科學計算
- 緊湊型結構設計兼顧散熱需求，可適應密集型安裝環境
- 透明觀察窗設計便于狀態監測，分合指示清晰直觀
三、應用領域
• 工業配電柜主回路保護
• 建筑配電系統干線防護
• 電動機控制中心(MCC)回路保護
• 光伏發電系統直流側防護
• 港口機械配電系統集成
四、技術參數
| 參數項目 |
技術指標 |
| 額定電流 |
200A |
| 額定工作電壓 |
AC 400V |
| 極數配置 |
3P |
| 分斷能力 |
35kA |
| 機械壽命 |
20,000次 |
| 電氣壽命 |
8,000次 |
| 安裝方式 |
垂直固定式 |
| 防護等級 |
IP40 |
| 操作方式 |
手柄直接操作 |
English Version:
DZ20Y-225/3330 200A Molded Case Circuit Breaker Introduction
I. Product Profile
The DZ20Y-225/3330 200A molded case circuit breaker is a high-performance protective device designed for low-voltage distribution systems. With modular design concept, it integrates multiple protection functions. Rated at 200A, it operates effectively in 50Hz AC networks with rated insulation voltage up to 800V, providing reliable overload, short-circuit and under-voltage protection. The housing is molded from high-temperature resistant engineering plastics, ensuring excellent insulation and mechanical durability.
II. Structural Features
- Silver-based alloy contacts with optimized pressure design ensure low resistance and stable conductivity
- Multi-chamber arc extinguishing system with metal grids enables rapid fault current interruption
- Spring-operated mechanism guarantees quick switching action with precisely calculated contact gap
- Compact structure balances space efficiency with thermal management requirements
- Transparent inspection window allows clear status monitoring and position indication
III. Application Fields
• Main circuit protection in industrial switchgear
• Power distribution trunk line protection
• Motor control center (MCC) circuit protection
• DC side protection in photovoltaic systems
• Port machinery power distribution integration
IV. Technical Specifications
| Parameter |
Specification |
| Rated Current |
200A |
| Rated Operational Voltage |
AC 400V |
| Number of Poles |
3P |
| Breaking Capacity |
35kA |
| Mechanical Endurance |
20,000 operations |
| Electrical Endurance |
8,000 operations |
| Mounting Style |
Vertical fixed |
| Protection Degree |
IP40 |
| Operation Mode |
Direct handle operation |
（總字數：中文字符約420，英文字符約680）
