PC級(jí)雙電源自動(dòng)轉(zhuǎn)換開(kāi)關(guān)本體為負(fù)荷隔離開(kāi)關(guān)，電磁驅(qū)動(dòng)，切換速度快，是一種能夠接通、承載、但不用于分?jǐn)喽搪冯娏鞯腁TSE。產(chǎn)品廣泛適用于額定工作電壓交流240/415V，頻率50/60HZ的的緊急供電系統(tǒng)。當(dāng)一路電源發(fā)生故障時(shí)，可以自動(dòng)完成常用電源和備用電源進(jìn)行電源制件切換，而無(wú)需人工操作，以保證重要用戶(hù)供電的可靠性。主要用于醫(yī)院、商場(chǎng)、銀行、人防、化工、冶金、高層建筑，軍事設(shè)施和消防等不允許斷電的重要場(chǎng)所。
正泰NH40SZ自動(dòng)轉(zhuǎn)換開(kāi)關(guān)，適用于交流50Hz、交流額定電壓380V及以下、直流額定電壓440V及以下、額定電流至3200A、三相四線(xiàn)制供電系統(tǒng).
NH40SZ-20/3,NH40SZ-20/4
NH40SZ-25/3,NH40SZ-25/4
NH40SZ-32/3,NH40SZ-32/4
NH40SZ-40/3,NH40SZ-40/4
NH40SZ-63/3,NH40SZ-63/4
NH40SZ-80/3,NH40SZ-80/4
NH40SZ-100/3,NH40SZ-100/4
NH40SZ-160/3,NH40SZ-160/4
NH40SZ-250/3,NH40SZ-250/4
NH40SZ-400/3,NH40SZ-400/4
NH40SZ-630/3,NH40SZ-630/4
NH40SZ-1000/3,NH40SZ-1000/4
NH40SZ-1250/3,NH40SZ-1250/4
NH40SZ-1000/3,NH40SZ-1600/4
NH40SZ-2500/3,NH40SZ-2500/4
NH40SZ-3150/3,NH40SZ-3150/4
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