塑殼漏電保護(hù)斷路器DZ20L-160/4300 50A 50MA
產(chǎn)品概述
DZ20L-160/4300塑殼漏電保護(hù)斷路器是一款適用于交流50Hz、額定電壓380V的三相四線配電系統(tǒng)的電氣保護(hù)裝置。該產(chǎn)品采用塑料外殼設(shè)計(jì)，集成了過載保護(hù)、短路保護(hù)和漏電保護(hù)功能，能夠有效防止因設(shè)備絕緣損壞導(dǎo)致的接地故障電流引發(fā)的安全隱患。其額定電流為50A，額定剩余動(dòng)作電流為50mA，可在電路發(fā)生過載、短路或漏電時(shí)快速切斷電源，保障人身安全和設(shè)備穩(wěn)定運(yùn)行。610
技術(shù)特點(diǎn)
該斷路器采用磁吹滅弧技術(shù)，具有分?jǐn)嗄芰Ω�、�?dòng)作速度快的特點(diǎn)。產(chǎn)品設(shè)計(jì)符合工業(yè)應(yīng)用需求，提供3P+N極數(shù)配置，支持板后接線方式，操作方式為手柄直接控制。內(nèi)部采用熱磁式脫扣器，在1.13倍額定電流下1小時(shí)內(nèi)不脫扣，1.45倍額定電流下1小時(shí)內(nèi)脫扣，確保過載保護(hù)的準(zhǔn)確性。漏電保護(hù)功能采用非延時(shí)型設(shè)計(jì)，動(dòng)作時(shí)間≤0.1秒，能及時(shí)切斷故障電路。產(chǎn)品外殼采用耐高溫阻燃材料，機(jī)械壽命達(dá)50萬次，適合長期穩(wěn)定工作。2417
應(yīng)用場景
DZ20L-160/4300適用于工業(yè)配電、建筑電氣、機(jī)械設(shè)備等領(lǐng)域的電路保護(hù)，特別適合需要對(duì)人身安全提供直接接觸保護(hù)的場合。產(chǎn)品可安裝于配電箱中作為分支線路保護(hù)開關(guān)，用于防止因絕緣損壞產(chǎn)生的危險(xiǎn)接觸電壓，同時(shí)也能避免因接地故障電流引發(fā)的火災(zāi)風(fēng)險(xiǎn)。其緊湊的結(jié)構(gòu)設(shè)計(jì)便于在有限空間內(nèi)安裝，透明外殼版本還可直觀觀察內(nèi)部工作狀態(tài)。61521
Product Overview
The DZ20L-160/4300 molded case leakage protection circuit breaker is designed for three-phase four-wire distribution systems with AC 50Hz and rated voltage of 380V. Featuring a plastic enclosure, it integrates overload protection, short-circuit protection and earth leakage protection functions to effectively prevent potential hazards caused by insulation failure. With rated current of 50A and residual operating current of 50mA, it can quickly cut off power supply in case of circuit abnormalities, ensuring personnel safety and equipment stability.610
Technical Features
This circuit breaker adopts magnetic blowout arc extinguishing technology with high breaking capacity and fast response. The 3P+N configuration supports rear-mounted wiring and direct handle operation. The thermal-magnetic trip unit ensures accurate overload protection, tripping within 1 hour at 1.45 times rated current while remaining stable at 1.13 times. The non-delayed earth leakage protection function activates within ≤0.1 second. The high-temperature resistant flame-retardant housing ensures durability up to 500,000 mechanical operations.2417
Application Fields
Suitable for industrial power distribution, building electrical systems and machinery equipment protection, this product provides direct contact protection in personnel safety critical applications. It serves as branch circuit protection in distribution boxes, preventing electric shock hazards and fire risks caused by insulation faults. The compact design with optional transparent cover allows easy installation in confined spaces and visual status monitoring.61521
塑殼漏電保護(hù)斷路器DZ20L-160/4300 50A 50MA
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