塑殼配電保護CDM10-250/3340 140A
產品概述
德力西CDM10-250/3340 140A塑殼配電保護斷路器是一款專為電力分配系統(tǒng)設計的保護裝置，適用于交流50Hz、額定電流140A的配電網絡。該產品采用熱磁式脫扣技術，能夠有效實現(xiàn)線路過載、短路及欠電壓保護，同時250A以下殼架等級還可為電動機提供過載保護。其透明外殼設計便于觀察內部狀態(tài)，分勵脫扣器與輔助觸頭組合（3340型號）支持遠程控制和信號反饋功能，適用于工業(yè)、建筑等需要安全配電的場合。產品結構緊湊，安裝方式支持固定式板前接線，操作方式為手動，符合常規(guī)配電柜的集成需求。156
核心功能
該斷路器通過復式脫扣機制（熱磁脫扣）實現(xiàn)雙重保護：熱脫扣元件響應過載電流，電磁脫扣元件快速切斷短路故障。其分斷能力達20kA（AC400V），可承受較高短路電流沖擊。產品支持三相配電保護（3P極數(shù)），額定工作電壓400V，絕緣電壓690V，適用于低壓配電系統(tǒng)的主干或分支線路保護。分勵脫扣器支持AC220V控制電壓，輔助觸頭可反饋開關狀態(tài)，便于自動化系統(tǒng)集成。透明外殼版本（如CDM10-250T/3340）便于運維人員直觀檢查觸點狀態(tài)。2414
技術特點
CDM10系列采用模塊化設計，140A額定電流規(guī)格適用于中等負荷場景，如小型車間、商業(yè)綜合體配電箱。產品外殼采用高強度工程塑料，具備阻燃和抗沖擊特性。內部觸頭材料為銀合金，接觸電阻低且耐電弧侵蝕，延長使用壽命。脫扣機構動作精準，響應時間短，可避免故障擴大。產品兼容標準DIN導軌安裝，支持垂直或水平布置，適應不同柜體空間需求。61316
應用場景
典型應用包括：1）低壓配電柜中作為進線或出線開關；2）電動機控制中心（MCC）的過載保護；3）光伏發(fā)電系統(tǒng)的直流側保護（需確認電壓適配性）；4）數(shù)據中心UPS配電單元。其緊湊尺寸（參考同系列：寬度約105mm，高度130mm）適合高密度安裝環(huán)境。運維時需定期檢查觸頭磨損情況，并保持通風散熱條件。51015
Product Overview
The DELIXI CDM10-250/3340 140A molded case circuit breaker is designed for power distribution systems, offering reliable protection for AC 50Hz networks with a rated current of 140A. Featuring thermal-magnetic trip technology, it provides comprehensive safeguards against overloads, short circuits, and undervoltage conditions. Models with transparent covers (e.g., CDM10-250T/3340) allow visual inspection of internal components. The shunt trip coil (3340 configuration) enables remote tripping, while auxiliary contacts facilitate status monitoring, making it suitable for industrial and commercial applications requiring secure power management. Its fixed mounting and front-terminal wiring simplify panel integration. 1414
Key Features
With a breaking capacity of 20kA (at AC400V), this 3-pole breaker ensures robust fault interruption. The thermal-magnetic mechanism combines delayed response to overloads (via bimetal strips) with instantaneous magnetic tripping for short circuits. Rated operational voltage extends to 400V, with insulation withstand up to 690V. The shunt trip operates at AC220V, and auxiliary contacts (1NO+1NC) provide binary feedback for control systems. The compact, flame-retardant housing meets mechanical stress requirements in crowded switchboards. 2613
Design Advantages
Engineered for durability, the 140A variant employs silver-alloy contacts to minimize energy loss and resist welding. The trip unit’s calibrated response ensures precise protection thresholds, preventing nuisance tripping. Modular accessories like undervoltage releases (optional) enhance adaptability. Installation flexibility includes DIN rail or panel-mount options, with dimensions optimized for space-constrained enclosures. Maintenance involves periodic cleaning of ventilation slots and verification of torque settings. 51016
Typical Applications
Common uses encompass: 1) Main or branch circuit protection in LV distribution panels; 2) Motor feeder protection up to 250A frame sizes; 3) Backup power systems requiring coordinated fault isolation. Ideal for environments demanding high-density layouts, such as telecom shelters or modular datacenters. Operational stability is maintained within ambient temperatures of -5°C to +40°C (derating may apply beyond this range). 61517
塑殼配電保護CDM10-250/3340 140A
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