CDM3-250S/4200A 140A 塑殼配電保護裝置產品介紹
中文版
CDM3-250S/4200A 140A塑殼配電保護裝置是一款專為電力分配系統(tǒng)設計的智能化保護設備，適用于商業(yè)建筑、工業(yè)廠房、公共設施等領域的低壓配電場景。本產品采用模塊化結構設計，具有緊湊型外觀和良好的環(huán)境適應性，能滿足多樣化配電場景的電力保護需求。
技術特點：
- 核心元器件采用高穩(wěn)定性合金材料，支持持續(xù)穩(wěn)定的電流承載能力，額定工作電流最高可達250A，短時耐受電流達到4200A（有效值）。140A分斷能力配置可精準匹配中小型配電系統(tǒng)需求。
- 機械操作機構經過優(yōu)化設計，具備超過20000次的電氣壽命，觸頭系統(tǒng)采用多重滅弧結構，能有效抑制電弧擴散。
- 配備可視化分合閘指示窗口，支持手動/電動操作兩種控制模式，維護人員可通過外部手柄快速完成狀態(tài)切換。
- 創(chuàng)新性熱磁脫扣機構整合溫度感應與電磁感應雙模保護，能靈敏識別過載及短路故障，動作時間誤差控制在±10%范圍內。
應用場景：
本產品適用于交流50/60Hz、額定工作電壓至690V的配電網絡，可為配電柜、電機控制中心、終端配電箱等設備提供線路保護。典型應用包括：商業(yè)綜合體的照明配電回路保護、生產設備的動力電源線路防護、新能源充電設施的配電安全保障等。
結構優(yōu)勢：
外殼采用高強度工程塑料注塑成型，具備IP40防護等級和抗沖擊特性。內部導電部件應用銅合金鍍銀工藝，有效降低接觸電阻。模塊化附件設計支持擴展報警觸點、分勵脫扣器等輔助功能單元。
安全性能：
產品經過嚴苛的型式試驗驗證，具備可靠的故障隔離能力。當線路出現(xiàn)異常電流時，脫扣機構可在15ms內完成保護動作，有效防止設備損壞和電氣事故。雙斷點觸頭結構確保分斷過程的安全可靠性，防護蓋板設計避免誤觸帶電部件。
英文版
CDM3-250S/4200A 140A Molded Case Circuit Protection Device
Product Overview:
The CDM3-250S/4200A 140A molded case circuit protection device is an intelligent protection solution designed for low-voltage power distribution systems. With compact dimensions and modular construction, this product demonstrates excellent adaptability across commercial buildings, industrial plants, and public infrastructure applications.
Key Features:
- Utilizes high-stability alloy components supporting continuous current carrying capacity up to 250A rated current. Features 4200A short-time withstand capacity (RMS) with optimized 140A breaking current setting for medium/small-scale distribution networks.
- Enhanced mechanical operating mechanism achieves over 20,000 electrical cycles. Multi-arc extinguishing chamber design effectively controls arc energy dissipation.
- Integrated visual status indicator window enables clear operation monitoring. Dual control modes (manual/electric) allow quick state transition via external handle.
- Advanced thermo-magnetic trip unit combines temperature sensing and electromagnetic detection, providing precise overload (0.5-1.5In) and short-circuit (3-10In) protection with ±10% trip time accuracy.
Application Scope:
Suitable for AC 50/60Hz networks up to 690V, this device delivers reliable circuit protection for switchboards, motor control centers, and terminal distribution boxes. Typical applications include: lighting circuit protection in commercial complexes, power line safeguarding for production equipment, and electrical safety assurance for EV charging infrastructure.
Structural Design:
High-strength engineering plastic enclosure meets IP40 protection standard with impact-resistant properties. Silver-plated copper alloy conductors minimize contact resistance. Modular accessory system supports functional expansion through auxiliary alarm contacts and shunt trip units.
Safety Assurance:
Rigorous type testing validates dependable fault isolation capability. The trip mechanism initiates protective action within 15ms upon abnormal current detection, effectively preventing equipment damage. Double-break contact structure ensures safe interruption, while protective covers prevent accidental contact with live parts.
（總字數(shù)：中英文各約450字，總計900字）
