框架斷路器DW15-630 400/315A 熱式AC220V無(wú)欠壓
產(chǎn)品概述
DW15-630 400/315A 熱式AC220V無(wú)欠壓框架斷路器是一款高性能配電保護(hù)設(shè)備，適用于交流50Hz、額定工作電壓380V至1140V的配電網(wǎng)絡(luò)。該產(chǎn)品采用立體布置設(shè)計(jì)，核心部件集成于絕緣基板上，配備熱電磁式脫扣機(jī)構(gòu)，可精準(zhǔn)實(shí)現(xiàn)過(guò)載和短路保護(hù)。其額定電流覆蓋315A至630A，特別適合需要穩(wěn)定電能分配和線(xiàn)路保護(hù)的工業(yè)場(chǎng)景。產(chǎn)品支持固定式和抽屜式安裝，抽屜式結(jié)構(gòu)便于維護(hù)且節(jié)省空間，限流特性可有效抑制短路電流沖擊。1315
技術(shù)特點(diǎn)
該斷路器采用模塊化結(jié)構(gòu)，操作機(jī)構(gòu)可前置或側(cè)裝，面板配備分合閘指示及手動(dòng)按鈕。熱電磁脫扣器通過(guò)雙金屬片和電磁線(xiàn)圈協(xié)同工作，實(shí)現(xiàn)0.64-1倍電流范圍內(nèi)的過(guò)載保護(hù)，以及3-20倍電流的短路瞬時(shí)保護(hù)。滅弧系統(tǒng)采用多片式柵片設(shè)計(jì)，配合絕緣隔板實(shí)現(xiàn)零飛弧。產(chǎn)品支持AC220V電動(dòng)操作，無(wú)欠壓功能設(shè)計(jì)避免因電壓波動(dòng)誤動(dòng)作，確保供電連續(xù)性。主體尺寸為315×216mm（固定式），重量約26.5kg，機(jī)械壽命達(dá)15000次。5612
應(yīng)用場(chǎng)景
廣泛應(yīng)用于冶金、礦山、船舶等領(lǐng)域的配電系統(tǒng)，作為主開(kāi)關(guān)或分支保護(hù)裝置。既能分配電能，又可保護(hù)電動(dòng)機(jī)免受過(guò)載、短路損害，支持線(xiàn)路不頻繁轉(zhuǎn)換。抽屜式版本通過(guò)隔離觸刀實(shí)現(xiàn)快速插拔，適用于需要頻繁檢修的場(chǎng)合。限流型規(guī)格特別適用于短路電流預(yù)期值較高的電網(wǎng)，可將預(yù)期短路電流限制在較低水平。91322
Product Overview
The DW15-630 400/315A thermal-type AC220V frame circuit breaker (without undervoltage release) is designed for power distribution networks with 50Hz AC and rated operational voltage from 380V to 1140V. Featuring a three-dimensional layout, its key components are mounted on an insulated baseplate, integrated with thermal-magnetic trip units to deliver precise overload and short-circuit protection. With current ratings spanning 315A to 630A, it excels in industrial applications demanding stable power distribution and circuit protection. Both fixed and withdrawable versions are available, the latter enabling easy maintenance with space-saving benefits, while current-limiting特性 suppresses short-circuit surges effectively. 31523
Key Features
This breaker adopts a modular design, allowing front or side-mounted operating mechanisms, complemented by status indicators and manual buttons on the panel. The thermal-magnetic trip combines bimetal strips and electromagnetic coils to provide overload protection (0.64-1×In) and instantaneous short-circuit protection (3-20×In). The arc-extinguishing system utilizes multi-splitter grids with insulating barriers to achieve zero arcing distance. AC220V motorized operation is supported, and the exclusion of undervoltage release prevents nuisance tripping during voltage fluctuations. Compact dimensions measure 315×216mm (fixed type) with 26.5kg weight, boasting 15,000 mechanical cycles. 61214
Applications
Ideal for main switchgear or branch protection in metallurgy, mining, and marine power systems. It distributes power while safeguarding motors against overload/short-circuit damage, permitting infrequent circuit transfers. The withdrawable variant employs isolation blades for quick disconnection, suited for maintenance-intensive environments. Current-limiting versions are optimized for grids with high prospective short-circuit currents, constraining peak currents to safer levels. 91322
框架斷路器DW15-630 400/315A 熱式AC220V無(wú)欠壓
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