塑殼漏電保護(hù)斷路器CDM3L-250S/4300B 225A 1/3/5延2
產(chǎn)品概述
德力西電氣CDM3L-250S/4300B塑殼漏電保護(hù)斷路器是一款專為工業(yè)及商業(yè)配電系統(tǒng)設(shè)計(jì)的保護(hù)裝置，額定電流225A，采用1/3/5檔可調(diào)延時(shí)設(shè)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(chǎn)品集過載保護(hù)、短路保護(hù)和漏電保護(hù)功能于一體，能有效防止因線路故障導(dǎo)致的電氣火災(zāi)和設(shè)備損壞。其殼架等級(jí)電流為250A，分?jǐn)嗄芰_(dá)35kA，漏電動(dòng)作電流可設(shè)置為100mA/300mA/500mA三檔，動(dòng)作時(shí)間不超過0.1秒，確保在發(fā)生漏電時(shí)快速切斷故障電路。產(chǎn)品采用模塊化設(shè)計(jì)，支持板前接線方式，安裝維護(hù)便捷。146
技術(shù)特點(diǎn)
CDM3L系列采用熱磁式脫扣機(jī)構(gòu)，配備分勵(lì)脫扣器和輔助觸頭附件，具有精確的電流選擇性保護(hù)特性。其核心部件采用高強(qiáng)度工程塑料外殼，內(nèi)部結(jié)構(gòu)包含精密的電磁感應(yīng)系統(tǒng)和機(jī)械聯(lián)動(dòng)裝置，能可靠識(shí)別剩余電流并執(zhí)行分?jǐn)嗖僮鳌．a(chǎn)品提供4極(4P)結(jié)構(gòu)，每極均配置獨(dú)立的滅弧室，有效抑制分?jǐn)鄷r(shí)產(chǎn)生的電弧。延2型配置特別適用于需要分級(jí)保護(hù)的配電系統(tǒng)，允許與下級(jí)保護(hù)裝置實(shí)現(xiàn)時(shí)間差配合，避免越級(jí)跳閘。產(chǎn)品工作環(huán)境溫度范圍-5℃至+40℃，適應(yīng)多種復(fù)雜工況。2513
應(yīng)用領(lǐng)域
本產(chǎn)品廣泛應(yīng)用于建筑配電、機(jī)械設(shè)備、電力系統(tǒng)等需要漏電保護(hù)的場(chǎng)合，特別適合電動(dòng)機(jī)保護(hù)、配電箱總開關(guān)、分支回路保護(hù)等應(yīng)用。在商業(yè)綜合體、工業(yè)廠房、基礎(chǔ)設(shè)施等項(xiàng)目中，能有效防范因絕緣老化、設(shè)備漏電引發(fā)的安全隱患。其可調(diào)節(jié)的漏電動(dòng)作值（30/100/300mA）滿足不同場(chǎng)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(hù)等級(jí)。產(chǎn)品設(shè)計(jì)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(chǎn)品優(yōu)勢(shì)
CDM3L-250S/4300B采用人性化的操作界面，旋轉(zhuǎn)手柄清晰指示分合閘狀態(tài)，并配備機(jī)械式動(dòng)作指示窗口。產(chǎn)品結(jié)構(gòu)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(shè)計(jì)使電氣壽命達(dá)10,000次以上，接觸電阻穩(wěn)定。特殊設(shè)計(jì)的漏電檢測(cè)模塊能有效區(qū)分真實(shí)漏電與電磁干擾，降低誤動(dòng)作概率。產(chǎn)品提供完整的附件兼容性，支持增配報(bào)警觸頭、欠壓脫扣器等擴(kuò)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(hù)斷路器CDM3L-250S/4300B 225A 1/3/5延2
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