CDM3L-250F/4340B塑殼漏電斷路器產品介紹
一、產品概述
CDM3L-250F/4340B塑殼漏電斷路器是一款專為低壓配電系統設計的智能保護裝置，額定電流250A，適用于交流230V電壓環境。產品采用U型接線方式（1/3/5延1結構），集過載保護、短路保護及漏電監測功能于一體，可有效保障電力系統安全運行。該設備設計符合現代配電系統的應用需求，適用于工業控制、建筑配電、基礎設施等領域。
二、結構特點
- 緊湊型結構設計：優化內部組件布局，在保證安全間距的同時縮小體積，節省配電柜安裝空間
- 高可靠性架構：采用優質工程塑料外殼與銅合金導電部件，配合嚴格生產工藝，確保長期穩定運行
- 便捷操作機構：配備清晰分合閘指示與機械式手動操作手柄，支持快速狀態確認與應急操作
- 多重保護機制：集成熱磁脫扣單元與電子式漏電檢測模塊，實現精準的故障識別與分級保護
- 模塊化擴展設計：支持附件擴展安裝，可根據需求靈活配置輔助觸點、分勵脫扣等附加功能
三、功能特性
• 過載保護：通過雙金屬片熱感應技術，實現精準的延時過載保護
• 短路保護：配備瞬時電磁脫扣機構，短路故障切斷時間≤0.1秒
• 漏電監測：采用平衡式零序電流檢測原理，漏電動作值可調
• 狀態指示：內置機械式分合閘狀態指示窗，便于運維人員快速識別
• 維護便捷：模塊化結構設計支持快速部件更換，降低維護成本
• 環境適應：工作溫度范圍-25℃至+55℃，滿足多種環境應用需求
四、應用領域
本產品適用于商業建筑配電系統、工業生產線控制柜、市政基礎設施供電網絡等場景，特別適合需要兼顧設備保護與人員安全的配電環境。典型應用包括：
- 制造車間電力分配系統
- 商業綜合體樓層配電
- 數據中心末端回路保護
- 公共設施應急電源控制
- 醫療設備專用供電線路
CDM3L-250F/4340B Molded Case Leakage Circuit Breaker Product Introduction
I. Product Overview
The CDM3L-250F/4340B molded case leakage circuit breaker is an intelligent protection device designed for low-voltage distribution systems. With a rated current of 250A and compatible with AC 230V power supply, it features U-type terminal configuration (1/3/5 extended 1 structure) that integrates overload protection, short-circuit protection, and leakage detection functions. This equipment is engineered to meet the operational requirements of modern power distribution networks, suitable for industrial control systems, building power distribution, and infrastructure applications.
II. Structural Features
- Compact Design: Optimized internal component layout ensures safety clearance while minimizing footprint
- Robust Construction: High-grade engineering plastic housing with copper alloy conductors ensures durability
- Ergonomic Operation: Clear switching indicators and manual operating handle enable quick status confirmation
- Multi-stage Protection: Combines thermal-magnetic tripping with electronic leakage detection modules
- Modular Expansion: Supports auxiliary contact and shunt trip accessories for functional customization
III. Functional Characteristics
• Overload Protection: Bimetallic thermal detection provides time-delayed response
• Instantaneous Trip: Electromagnetic release mechanism activates within ≤0.1s for short-circuit events
• Adjustable Sensitivity: Leakage protection threshold supports field customization
• Visual Status Indication: Mechanical window displays real-time switching status
• Maintenance-friendly Design: Modular components allow rapid part replacement
• Wide Temperature Range: Reliable operation from -25℃ to +55℃
IV. Typical Applications
This product is widely used in commercial building power distribution, industrial control panels, and municipal power networks where equipment protection and personnel safety are equally important. Common applications include:
- Factory workshop power distribution
- Commercial complex floor-level panels
- Data center branch circuit protection
- Public facility emergency power control
- Medical equipment dedicated circuits
（總字數：中文382字+英文360字=742字）
