塑殼漏電保護斷路器CDM3L-250S/4300B 225A 1/3/5延2
產品概述
德力西電氣CDM3L-250S/4300B塑殼漏電保護斷路器是一款專為工業(yè)及商業(yè)配電系統(tǒng)設計的保護裝置，額定電流225A，采用1/3/5檔可調延時設置（延2型配置），適用于交流50Hz、額定工作電壓至440V的電路中。該產品集過載保護、短路保護和漏電保護功能于一體，能有效防止因線路故障導致的電氣火災和設備損壞。其殼架等級電流為250A，分斷能力達35kA，漏電動作電流可設置為100mA/300mA/500mA三檔，動作時間不超過0.1秒，確保在發(fā)生漏電時快速切斷故障電路。產品采用模塊化設計，支持板前接線方式，安裝維護便捷。146
技術特點
CDM3L系列采用熱磁式脫扣機構，配備分勵脫扣器和輔助觸頭附件，具有精確的電流選擇性保護特性。其核心部件采用高強度工程塑料外殼，內部結構包含精密的電磁感應系統(tǒng)和機械聯動裝置，能可靠識別剩余電流并執(zhí)行分斷操作。產品提供4極(4P)結構，每極均配置獨立的滅弧室，有效抑制分斷時產生的電弧。延2型配置特別適用于需要分級保護的配電系統(tǒng)，允許與下級保護裝置實現時間差配合，避免越級跳閘。產品工作環(huán)境溫度范圍-5℃至+40℃，適應多種復雜工況。2513
應用領域
本產品廣泛應用于建筑配電、機械設備、電力系統(tǒng)等需要漏電保護的場合，特別適合電動機保護、配電箱總開關、分支回路保護等應用。在商業(yè)綜合體、工業(yè)廠房、基礎設施等項目中，能有效防范因絕緣老化、設備漏電引發(fā)的安全隱患。其可調節(jié)的漏電動作值（30/100/300mA）滿足不同場景的靈敏度需求，例如潮濕環(huán)境可選擇30mA檔位以提高人身保護等級。產品設計符合常規(guī)電氣安裝規(guī)范，可與各類母線系統(tǒng)配套使用。71218
產品優(yōu)勢
CDM3L-250S/4300B采用人性化的操作界面，旋轉手柄清晰指示分合閘狀態(tài)，并配備機械式動作指示窗口。產品結構緊湊，相同殼架尺寸下提供更高的電流規(guī)格選擇，節(jié)省配電柜安裝空間。優(yōu)化的觸頭材料與壓力設計使電氣壽命達10,000次以上，接觸電阻穩(wěn)定。特殊設計的漏電檢測模塊能有效區(qū)分真實漏電與電磁干擾，降低誤動作概率。產品提供完整的附件兼容性，支持增配報警觸頭、欠壓脫扣器等擴展功能模塊。91521
Product Overview
The DELIXI CDM3L-250S/4300B molded case leakage protection circuit breaker is designed for industrial and commercial power distribution systems, featuring a rated current of 225A with adjustable time-delay settings (Type 2 configuration in 1/3/5 steps). Suitable for 50Hz AC circuits with rated operational voltage up to 440V, it integrates overload, short-circuit, and earth leakage protection to prevent electrical fires and equipment damage caused by line faults. With a frame current of 250A and breaking capacity of 35kA, its residual current operation threshold can be set at 100mA/300mA/500mA with tripping time under 0.1s. The modular design supports front-mounted wiring for easy installation. 1619
Technical Features
Equipped with thermal-magnetic trip mechanism and optional shunt release/auxiliary contacts, the CDM3L series provides selective current protection. The high-strength thermoplastic housing encloses precision electromagnetic sensors and mechanical linkages for reliable residual current detection. Four-pole (4P) construction with individual arc chutes ensures effective arc suppression during interruption. The Type 2 delay configuration enables time-graded coordination with downstream devices to prevent nuisance tripping. Operational temperature ranges from -5℃ to +40℃. 51322
Applications
Ideal for motor protection, distribution cabinet main switches, and branch circuit protection in construction power systems, industrial plants, and infrastructure projects. Adjustable sensitivity (30/100/300mA) accommodates diverse environments – e.g., 30mA setting enhances personal protection in damp locations. Compatible with standard busbar systems and conforms to general electrical installation practices. 71218
Advantages
User-friendly interface includes rotary handle with clear ON/OFF indicators and mechanical trip indication window. Compact design maximizes current rating within the same frame size, saving panel space. Silver-alloy contacts maintain stable resistance over 10,000 operations. Advanced leakage detection algorithms distinguish actual faults from electromagnetic interference. Supports functional expansion with alarm contacts, undervoltage releases, and other accessories. 91521
塑殼漏電保護斷路器CDM3L-250S/4300B 225A 1/3/5延2
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