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熔斷組合式電源SPD
·CPM-R100T ·CPM-R100S ·CPM-R80T ·CPM-R80S ·CPM-R65T ·CPM-R65S ·CPM-R65T-660 ·CPM-R65S-660 ·CPM-R40T ·CPM-R40S ·CPM-R40TA ·CPM-R40SA ·CPM-R40T-660 ·CPM-R40S-660 ·CPM-R40TA-660 ·CPM-R40SA-660 ·CPM-R20T ·CPM-R20S ·CPM-R5D ·CPM-R10D ·CPM-R20D
模塊式電源SPD
·CPM120T ·CPM100T ·CPM100S ·CPM80T ·CPM80S ·CPM65T ·CPM65S ·CPM65T-660 ·CPM65S-660 ·CPM40T ·CPM40S ·CPM40TA ·CPM40SA ·CPM40T-660 ·CPM40S-660 ·CPM40TA-660 ·CPM40SA-660 ·CPM20T ·CPM20S ·CPM5D ·CPM10D ·CPM20D
多級集成避雷箱
·CPB-M2030S ·CPB-M4030S ·CPB-M6530S ·CPB-M2030SG ·CPB-M4030SG ·CPB-M6530SG ·CPB-M2050SG ·CPB-M4050SG ·CPB-M6550SG ·CPB-M2030T ·CPB-M4030T ·CPB-M6530T ·CPB-M2050T ·CPB-M4050T ·CPB-M6550T ·CPB-M2050TG ·CPB-M4050TG ·CPB-M6550TG ·CPB-M2080TG ·CPB-M4080TG ·CPB-M6580TG ·CPB-M2080TGD ·CPB-M4080TGD ·CPB-M6580TGD ·CPB-M20100TG ·CPB-M40100TG ·CPB-M65100TG ·CPB-M2010SG ·CPB-D103S
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并聯(lián)箱式電源SPD
·CPA-D5S1 ·CPA-M20S ·CPA-M40S(A) ·CPA-M65S ·CPA-M20T ·CPA-M40T(A) ·CPA-M65T ·CPA-M80T ·CPA-M100T
一體化模塊式電源SPD
·CPC-20T ·CPC-40T ·CPC-65T
熔斷組合型電涌保護器
·CPM-RH100T ·CPM-RH100T(3P) ·CPM-RH100S ·CPM-RH80T ·CPM-RH80T(3P) ·CPM-RH80S ·CPM-RH65T ·CPM-RH65T(3P) ·CPM-RH65S ·CPM-RH40T ·CPM-RH40T(3P) ·CPM-RH40S ·CPM-RH40TA ·CPM-RH40SA ·CPM-RH20T ·CPM-RH20T(3P) ·CPM-RH20S ·CPM-RH20TA ·CPM-RH20SA ·CPM-RH20D ·CPM-RH10D ·CPM-RH10D(24V) ·CPM-RH5D
智能熔斷組合型電源浪涌保護器
·CPM-HI-100T ·CPM-HI-100S ·CPM-HI-80T ·CPM-HI-80S ·CPM-HI-65T ·CPM-HI-65S ·CPM-HI-40T ·CPM-HI-40S ·CPM-HI-20T ·CPM-HI-20S
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郵箱:1659825395@qq.com
電話:029-62230192
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聯(lián)系人:189-9132-9260
電源防雷器參數(shù)In指的是防雷器的標(biāo)稱放電電流,電源防雷器的選擇除了要知道電壓還應(yīng)該根據(jù)合適的情況選擇放電電流合適的防雷產(chǎn)品,這樣才能更有效的保護好設(shè)備。在低壓配電系統(tǒng)中,安裝于建筑物入口處,即 LPZ0A 或 LPZ0B 區(qū)與 LPZ1 區(qū)交界處的 B 級電源防雷器主要用于瀉放電源線路遭受直接雷擊或電源線路感應(yīng)雷電時的雷電流能量,而次級(C級或D級)電源防雷器主要用于鉗制電源線路的過電壓,防止設(shè)備因過電壓沖擊而損壞。而在GB50057-94(2000 版)《建筑物防雷設(shè)計規(guī)范》中僅對 B 級電源防雷器標(biāo)稱放電電流 In 值的選擇規(guī)定 的較為清楚,而對次級(C 級或者 D 級)電源防雷器標(biāo)稱放電電流 In 值的選擇規(guī)定的較為模糊, 在新的國標(biāo) GB 50343-2004《建筑物電子信息系統(tǒng)防雷技術(shù)規(guī)范》頒布后,關(guān)于次級電源防雷器標(biāo) 稱放電電流 In 值的選擇存在一些爭議,本文就此提出一些觀點供業(yè)內(nèi)技術(shù)專家進行討論。
對于在建筑物中所使用的電源防雷器(SPD)設(shè)備 GB 50057-94(2000 版)《建筑物防雷設(shè)計 規(guī)范》這本國家強制執(zhí)行標(biāo)準(zhǔn)做了如下要求:標(biāo)準(zhǔn)第 6.4.4 條規(guī)定“電源防雷器必須能承受預(yù)期通 過它們的雷電流,并應(yīng)符合以下兩個附加要求:通過電涌時的大箝壓,有能力熄滅在雷電流通過 后產(chǎn)生的工頻續(xù)流。”