CDM3-125S/42002A 40A塑殼斷路器中英文產品介紹
【中文版】
CDM3-125S/42002A 40A塑殼斷路器是一款智能化配電保護裝置，專為低壓配電系統設計，適用于額定電流40A的電路保護需求。產品采用模塊化結構設計，集過載保護、短路保護功能于一體，可有效保障電氣設備與線路的安全運行，廣泛應用于工業控制柜、商業建筑配電系統及民用電力設施等領域。
產品核心優勢體現在其優化的熱磁式脫扣機構，通過精確的電流感應元件實現快速響應。當電路中出現異常電流時，雙金屬片與電磁線圈協同工作，可在毫秒級時間內完成分斷動作，有效降低故障電流對設備的損害風險。外殼采用高強度工程塑料制造，具備優異的絕緣性能和耐高溫特性，配合緊湊型設計，可適配多種標準導軌安裝場景。
該斷路器配置透明防護罩設計，便于用戶觀察觸點狀態和分合閘指示。操作機構采用三位置指示設計（分閘/合閘/脫扣），配合人性化手柄造型，確保操作安全便捷。內部觸頭系統采用銀合金材料制造，具備低接觸電阻和高耐磨特性，有效延長產品使用壽命。產品支持垂直或水平安裝方式，適應不同配電柜空間布局需求。
作為配電系統的重要保護組件，本產品在常規使用環境下可提供可靠的線路保護功能，建議定期進行維護檢查以確保最佳性能表現。通過合理的選型配置，可構建多層級保護方案，滿足從末端配電到主電路系統的多樣化防護需求。
【English Version】
The CDM3-125S/42002A 40A Molded Case Circuit Breaker is an intelligent power distribution protection device specifically designed for low-voltage electrical systems. With a rated current of 40A, this product integrates overload and short-circuit protection functions through its modular structure design, effectively safeguarding electrical equipment and circuitry. It demonstrates wide applicability in industrial control cabinets, commercial building power distribution systems, and residential electrical installations.
The product features an optimized thermal-magnetic trip mechanism that ensures rapid response through precision current sensing components. During abnormal current conditions, the bimetal strip and electromagnetic coil work synergistically to complete circuit interruption within milliseconds, significantly reducing potential damage from fault currents. The high-strength engineering plastic housing provides excellent insulation properties and high-temperature resistance, while its compact design allows flexible installation on standard mounting rails.
Equipped with a transparent protective cover, the circuit breaker enables visual inspection of contact status and switching position indicators. The three-position indicator (OFF/ON/TRIPPED) combined with an ergonomic operating handle ensures safe and convenient operation. The silver alloy contact system exhibits low contact resistance and enhanced wear resistance, effectively extending service life. Flexible vertical or horizontal installation options adapt to various panel layout requirements.
As a critical component in power distribution systems, this device delivers reliable circuit protection under normal operating conditions. Regular maintenance checks are recommended to maintain optimal performance. Through proper configuration, it can form multi-level protection solutions to meet diverse requirements from branch circuit protection to main power system security.
The product s design emphasizes operational stability and maintenance convenience, making it a practical choice for electrical system upgrades and new installations. Comprehensive arc control technology and reinforced terminal connections further enhance its safety performance in various application scenarios.
