CDM6S-800M/4300A 400A塑殼配電保護裝置技術說明
CDM6S-800M/4300A 400A塑殼配電保護裝置是專為現代化配電系統設計的智能化電氣保護設備。采用模塊化結構設計，能夠在380V/415V交流配電網絡中實現可靠的線路保護與控制功能。殼體選用高強度工程材料一體成型，內部集成精密電磁機構與熱磁保護單元，具備良好的機械強度和環境適應能力。
該裝置搭載智能化分斷機構，可在短路、過載等異常工況下實現快速分斷。優化設計的觸頭系統配合多層滅弧結構，有效提升分斷能力并降低電弧影響。整機結構緊湊，寬度方向尺寸較常規產品縮減約15%，適應多種配電柜的安裝空間要求。操作機構采用三位置指示設計（分閘、合閘、脫扣），配合清晰的機械狀態窗口，便于運維人員現場觀察設備狀態。
在性能參數方面，裝置額定運行電流400A，短時耐受電流達50kA，滿足工業環境下的嚴苛配電要求。特殊設計的連接端子支持35-185mm²導線可靠接入，銅鋁復合導體應用降低了接觸電阻。內置溫度補償機制可自動修正環境溫度對保護精度的影響，確保在-25℃至+70℃工作范圍內保持穩定的保護特性。
適用于制造業廠房、商業建筑、基礎設施等配電場景，可有效保護電纜、變壓器、電動機等設備。支持水平或垂直安裝方式，維護窗口設計便于進行周期性檢查。標準化附件接口可擴展連接電動操作機構、報警觸點等輔助模塊，滿足智能化配電系統升級需求。
CDM6S-800M/4300A 400A Molded Case Circuit Protection Device Technical Description
The CDM6S-800M/4300A 400A molded case circuit protection device is an intelligent electrical protection solution developed for modern power distribution systems. Featuring modular construction design, it provides reliable circuit protection and control functions in 380V/415V AC distribution networks. The housing is manufactured with high-strength engineering materials using integrated molding technology, incorporating precision electromagnetic mechanisms and thermal-magnetic protection units to ensure excellent mechanical durability and environmental adaptability.
Equipped with an intelligent tripping mechanism, the device enables rapid circuit interruption under short-circuit and overload conditions. The optimized contact system combined with multi-layer arc extinguishing structure enhances breaking capacity while minimizing arc effects. With compact dimensions achieving approximately 15% width reduction compared to conventional products, it accommodates various switchgear installation requirements. The three-position indicator mechanism (OFF/ON/TRIPPED) and clear status observation window facilitate operational maintenance.
Technical specifications include 400A rated operational current and 50kA short-time withstand current, meeting rigorous industrial power distribution demands. Specially designed terminals ensure secure connection for 35-185mm² conductors, with copper-aluminum composite materials reducing contact resistance. Integrated temperature compensation mechanism automatically adjusts protection accuracy across -25℃ to +70℃ operating range, maintaining stable performance parameters.
Suitable for manufacturing plants, commercial buildings, and infrastructure projects, the device effectively protects cables, transformers, and motor loads. Flexible horizontal/vertical mounting options and maintenance-friendly access points simplify periodic inspections. Standardized accessory interfaces allow expansion with motorized operators and alarm contacts, supporting intelligent power system upgrades. Corrosion-resistant surface treatment and vibration-damping structural design enhance long-term operational reliability in diverse industrial environments.
