塑殼漏電保護(hù)斷路器DZ20L-250T/4300 160A 300MA延時0.1S透明
產(chǎn)品概述
DZ20L-250T/4300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)計的高性能保護(hù)裝置，采用透明外殼設(shè)計，便于直觀觀察內(nèi)部工作狀態(tài)。該產(chǎn)品額定電流160A，漏電動作電流300mA，具有0.1秒延時保護(hù)特性，能有效識別并切斷線路中的漏電故障，同時避免因瞬時電流波動導(dǎo)致的誤動作。其緊湊的板前接線結(jié)構(gòu)和熱磁式脫扣機構(gòu)，既保證了安裝便捷性又實現(xiàn)了過載與短路的雙重保護(hù)功能。透明殼體不僅提升了產(chǎn)品美觀度，更便于運維人員快速診斷故障點。168
核心功能特點
本產(chǎn)品采用三相四線制設(shè)計（3P+N），N極始終接通確保中性線安全。分?jǐn)嗄芰_(dá)15kA，可承受較大短路電流沖擊。延時0.1秒的特性特別適用于分級保護(hù)系統(tǒng)，能與下級斷路器形成選擇性配合。透明外殼采用高強度阻燃材料，既保持結(jié)構(gòu)強度又實現(xiàn)內(nèi)部狀態(tài)可視化。手動操作手柄配備明確分合閘指示，支持固定式安裝方式，適用于配電柜標(biāo)準(zhǔn)導(dǎo)軌。產(chǎn)品設(shè)計符合人體工程學(xué)，操作力矩適中，維護(hù)時無需特殊工具即可完成檢查。51222
技術(shù)參數(shù)說明
主要技術(shù)參數(shù)包括：殼架電流250A，額定工作電流160A可調(diào)；剩余動作電流300mA精度±10%；極限分?jǐn)鄷r間≤0.1秒；機械壽命≥10,000次，電氣壽命≥5,000次。產(chǎn)品工作電壓范圍覆蓋AC380V/660V，適應(yīng)-5℃至+40℃環(huán)境溫度。采用復(fù)合式漏電檢測技術(shù)，能同時響應(yīng)交流脈動直流剩余電流。模塊化結(jié)構(gòu)設(shè)計使得附件擴展靈活，可選配分勵脫扣器或輔助觸點滿足系統(tǒng)聯(lián)鎖需求。111921
應(yīng)用場景描述
該斷路器廣泛應(yīng)用于建筑配電、機械設(shè)備、數(shù)據(jù)中心等需要漏電保護(hù)的場合。特別適用于潮濕環(huán)境、臨時用電場所及大功率電氣設(shè)備保護(hù)。透明設(shè)計使運維人員能直接觀察觸頭磨損程度和滅弧室狀態(tài)，提前預(yù)防潛在故障。產(chǎn)品通過優(yōu)化電磁系統(tǒng)設(shè)計，在保證靈敏度的同時有效抑制電磁干擾，適用于對供電連續(xù)性要求較高的醫(yī)療設(shè)備、精密儀器等場景。31417
English Product Introduction
The DZ20L-250T/4300 Molded Case Leakage Circuit Breaker features a 160A rated current with 300mA earth leakage protection and 0.1s delayed tripping characteristic. Its transparent polycarbonate housing allows visual inspection of internal components including contact position and arc chutes without disassembly. The thermal-magnetic trip unit provides precise overload and short-circuit protection, while the selective time-delay function ensures coordination with downstream protective devices. 6923
Key Features
This 4-pole breaker (3P+N) adopts current-limiting technology with 15kA breaking capacity. The ergonomic toggle lever indicates clear ON/OFF status, and front-terminal wiring simplifies installation. The anti-tamper design prevents unauthorized adjustment of sensitivity settings. Suitable for vertical/horizontal mounting in distribution cabinets, its compact dimensions save panel space. The self-cleaning contacts maintain stable performance even after repeated operations. 2716
Technical Highlights
Core parameters include: adjustable trip current 160A within 250A frame size; ±10% residual current operating accuracy; 100ms configurable delay time; 10,000 mechanical cycles minimum. Operates reliably at 85% to 110% rated voltage. The integrated current transformer detects both AC and pulsating DC leakage currents. Transparent housing material meets UL94 V-0 flame resistance rating without compromising impact strength. 101320
Typical Applications
Ideal for commercial buildings, industrial plants and infrastructure projects requiring reliable earth fault protection. The visual status monitoring feature benefits maintenance in water treatment plants, outdoor lighting systems and construction temporary supplies. Its current-selective tripping characteristic prevents nuisance tripping in circuits with variable loads like elevators and HVAC systems. The product demonstrates stable performance in environments with high humidity or dust levels. 41518
塑殼漏電保護(hù)斷路器DZ20L-250T/4300 160A 300MA延時0.1S透明
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