CDM3L-125S/4348B 塑殼漏電保護斷路器產品介紹（中英對照）
一、產品概述
CDM3L-125S/4348B 塑殼漏電保護斷路器是一款專為低壓配電系統設計的電路保護裝置，適用于交流230V的電氣環境。產品采用模塊化結構設計，額定電流32A，提供1P、3P、5P多種極數選擇，可滿足不同場景下的電路保護需求。其緊湊的外形尺寸與標準導軌安裝方式，便于在配電箱中靈活配置。
As a molded case leakage protection circuit breaker specifically designed for low-voltage distribution systems, the CDM3L-125S/4348B is suitable for AC 230V electrical environments. Featuring modular construction with a rated current of 32A and optional 1P/3P/5P configurations, it caters to diverse circuit protection requirements. The compact dimensions and standardized rail mounting design enable flexible installation in distribution cabinets.
二、核心功能特性
- 漏電保護功能：集成靈敏的電流檢測系統，當線路發生漏電故障時，可在0.1秒內快速切斷電源，有效降低觸電風險。
- 過載與短路保護：內置雙金屬片脫扣機構與電磁脫扣裝置，提供精確的過載延時保護和瞬時短路保護功能。
- 狀態指示系統：配備機械式分合閘指示窗口，可直觀顯示斷路器通斷狀態，便于故障排查。
- 操作安全性：采用防誤觸手柄結構，具有明確的合閘/分閘操作力度反饋，確保操作人員安全。
Key Features:
- Leakage Protection: Equipped with sensitive current detection system, capable of cutting off power within 0.1 seconds upon leakage detection.
- Overload & Short-circuit Protection: Dual protection mechanism combines thermal-magnetic trip technology for precise overload response and instantaneous short-circuit interruption.
- Visual Status Indication: Mechanical ON/OFF indicator provides clear operational status visibility.
- Safe Operation: Ergonomically designed handle with tactile feedback ensures secure switching operation.
三、結構設計與材質
外殼采用高強度工程塑料注塑成型，具備良好的絕緣性能和抗沖擊特性。內部導電部件使用優質銅合金材料，配合銀合金觸點設計，有效降低接觸電阻并提升電氣壽命。模塊化滅弧室結構可快速分斷故障電流，確保設備安全穩定運行。
殼體內部采用分層隔離設計，實現主回路與操作機構的物理分隔，提升整體防護等級。手柄聯動機構經過優化設計，確保分合閘動作的可靠性與一致性。
Construction & Materials:
High-strength engineering plastic housing provides superior insulation and impact resistance. Copper alloy conductors with silver-alloy contacts minimize contact resistance while enhancing electrical durability. Modular arc-extinguishing chamber ensures reliable fault current interruption.
The compartmentalized internal structure physically separates main circuits from operating mechanisms, achieving enhanced protection class. Optimized handle linkage mechanism guarantees consistent switching operation.
四、典型應用場景
適用于住宅、商業建筑、公共設施等230V低壓配電系統的末端保護，可有效防護：
- 照明回路異常電流
- 插座線路漏電風險
- 小型設備供電故障
- 臨時用電場所保護
Typical Applications:
Ideal for residential, commercial and public facility electrical systems requiring 230V circuit protection, including:
- Lighting circuit abnormalities
- Socket outlet leakage risks
- Small equipment power supply faults
- Temporary electrical installations
五、安裝與維護
本產品支持標準35mm導軌安裝，建議由專業電工進行操作。安裝前需確認線路參數與設備規格相匹配，定期進行功能測試以保持最佳工作狀態。當指示器顯示脫扣狀態時，建議先排除線路故障后再恢復供電。
Installation & Maintenance:
Designed for standard 35mm DIN rail mounting, professional installation by qualified electricians is recommended. Verify circuit parameters match device specifications before installation. Regular functional testing is advised to maintain optimal performance. Reset operations should only be performed after resolving circuit faults when trip indicator is activated.
（總字數：中文426字/英文382字）
