CDM3-125S/33002 40A塑殼斷路器產(chǎn)品介紹
產(chǎn)品概述
CDM3-125S/33002 40A塑殼斷路器是一款專為低壓配電系統(tǒng)開發(fā)的電路保護裝置，適用于交流50/60Hz、額定工作電壓400V及以下的電力環(huán)境。該產(chǎn)品采用模塊化設(shè)計理念，集過載保護和短路保護功能于一體，可為工業(yè)控制、建筑配電、設(shè)備供電等場景提供可靠的電路安全保障。其緊湊型結(jié)構(gòu)設(shè)計在保證性能的前提下，有效節(jié)省了安裝空間。
設(shè)計特點
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精密脫扣系統(tǒng)：搭載新型熱磁式脫扣機構(gòu)，通過雙金屬片與電磁系統(tǒng)的協(xié)調(diào)運作，實現(xiàn)過載延時保護和短路瞬時保護的精準(zhǔn)配合。多級保護機制可靈敏識別異常電流變化，在確保及時切斷故障電路的同時，降低誤動作概率。
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強化結(jié)構(gòu)工藝：采用高強度工程塑料外殼，具備良好的絕緣性能和抗沖擊特性，內(nèi)部導(dǎo)電部件選用優(yōu)質(zhì)銅合金材料，經(jīng)精密加工確保接觸可靠性。觸頭系統(tǒng)采用特殊銀合金配方，有效抑制電弧產(chǎn)生，延長電氣壽命。
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人機交互優(yōu)化：配備直觀的分合閘指示窗與機械式自由脫扣機構(gòu)，提供清晰的狀態(tài)顯示和可靠的手動操作體驗。模塊化附件設(shè)計支持?jǐn)U展安裝輔助觸點、報警觸點等功能模塊，適配不同場景的監(jiān)測需求。
應(yīng)用領(lǐng)域
本產(chǎn)品適用于配電箱、控制柜、電力終端等場合，可對電動機、變壓器、照明系統(tǒng)等用電設(shè)備實施有效保護。典型應(yīng)用包括：制造業(yè)生產(chǎn)線配電保護、商業(yè)建筑樓層配電、公共設(shè)施電力分配等需要可靠電路控制的領(lǐng)域。
技術(shù)參數(shù)
額定電流：40A
額定工作電壓：AC 400V
極數(shù)：3P
分?jǐn)嗄芰Γ悍铣Ｒ?guī)配電要求
機械壽命：≥20,000次
接線方式：支持板前/板后接線
產(chǎn)品優(yōu)勢
通過優(yōu)化電磁系統(tǒng)與滅弧室結(jié)構(gòu)，在保持分?jǐn)嘈阅艿耐瑫r降低能耗損失。抽屜式安裝結(jié)構(gòu)簡化了維護流程，可快速完成部件更換。多重防護設(shè)計有效防止灰塵積聚和意外觸電，適合在復(fù)雜工況環(huán)境下穩(wěn)定運行。
（英文版本）
Product Introduction of CDM3-125S/33002 40A Molded Case Circuit Breaker
Product Overview
The CDM3-125S/33002 40A molded case circuit breaker is a circuit protection device developed for low-voltage distribution systems, suitable for power environments with AC 50/60Hz and rated operational voltage up to 400V. Incorporating modular design principles, this product integrates overload protection and short-circuit protection functions, delivering reliable circuit protection for industrial control systems, building power distribution, and equipment power supply applications. Its compact structure optimizes spatial efficiency without compromising performance.
Design Features
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Precision Tripping System: Equipped with an advanced thermal-magnetic trip unit, the coordinated operation of bimetal strips and electromagnetic systems achieves accurate coordination between time-delay overload protection and instantaneous short-circuit protection. Multi-stage protection mechanisms sensitively detect abnormal current variations, ensuring timely circuit interruption while minimizing false tripping.
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Enhanced Structural Engineering: The high-strength engineering plastic enclosure demonstrates excellent insulation properties and impact resistance. Precision-machined copper alloy conductors ensure reliable contact stability. The silver-alloy contact system effectively suppresses arc generation, extending electrical endurance.
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Human-Machine Interface Optimization: Features clear switching status indicators and reliable manual operating mechanisms. Modular accessory design allows flexible installation of auxiliary contacts and alarm modules to meet diverse monitoring requirements.
Application Fields
Suitable for distribution boxes, control cabinets, and power terminals, this product provides effective protection for motors, transformers, lighting systems, and other electrical equipment. Typical applications include: production line power distribution in manufacturing facilities, floor-level power distribution in commercial buildings, and electrical distribution systems for public infrastructure requiring reliable circuit control.
Technical Parameters
Rated Current: 40A
Rated Operational Voltage: AC 400V
Number of Poles: 3P
Breaking Capacity: Meets general distribution requirements
Mechanical Endurance: ≥20,000 operations
Termination Type: Supports front/rear mounting connections
Product Advantages
Optimized electromagnetic system and arc chute structure maintain breaking performance while reducing energy loss. Drawer-type installation simplifies maintenance procedures for quick component replacement. Multi-protection design effectively prevents dust accumulation and accidental electric shock, ensuring stable operation in complex working environments.
