▲適用范圍
適用于額定頻率50/60Hz，額定電壓230/400VAC的主配電柜或分配電柜(LPZ0b-LPZ1區(qū)或LPZ1-LPZ2區(qū))，
對(duì)電源第I或II級(jí)的雷擊或浪涌引起的過(guò)電壓進(jìn)行保護(hù)，減輕過(guò)電壓對(duì)設(shè)備造成的損害。
選型依據(jù)標(biāo)準(zhǔn)：GB/T18802.11(IEC/61643-11),GB50343

▲常用型號(hào)

型號(hào)	貨號(hào)	描述
LDY-40B+C/1P-385	CY603043	Uc: 385V~,In(8/20μs):40kA,T2,1P
LDY-40B+C/2P-385	CY603044	Uc: 385V~,In(8/20μs):40kA,T2,2P
LDY-40B+C/3P-385	CY603045	Uc: 385V~,In(8/20μs):40kA,T2,3P
LDY-40B+C/4P-385	CY603046	Uc: 385V~,In(8/20μs):40kA,T2,4P
LDY-40B+C/1P-385H	CY603090	Uc:385V~,Iimp(10/350μs):12.5kA,T1+T2,1P
LDY-40B+C/2P-385H	CY603091	Uc:385V~,Iimp(10/350μs):12.5kA,T1+T2,2P
LDY-40B+C/3P-385H	CY603092	Uc:385V~,Iimp(10/350μs):12.5kA,T1+T2,3P
LDY-40B+C/4P-385H	CY603093	Uc:385V~,Iimp(10/350μs):12.5kA,T1+T2,4P

▲主要技術(shù)參數(shù)
電網(wǎng)額定電壓 (Un): 230V/400V~
額定頻率：50/60Hz
zui大持續(xù)工作電壓 (Uc): 385V~
標(biāo)稱(chēng)放電電流 (In@8/20μs): 40kA(T2)
zui大放電電流 (Imax@8/20μs): 80kA(T2)
沖擊電流 (Iimp@10/350μs): 12.5kA (H型，T1)
電壓保護(hù)水平 (Up) : 2.2kV
泄漏電流(@75%U1mA): ＜20μA
試驗(yàn)類(lèi)別: T2/T1+T2(H型)
工作溫度: -40°C ~ 80°C
相對(duì)濕度(25°C): ≤95%(無(wú)凝露)
后備保護(hù)斷路器: LDYB-80