GOST R 50571 4 43-2012 Low-voltage electrical installations Part 4-43 Protection for safety Protection against overcurrent《低压电气装置 第4-43部分 安全防护 过电流防护》.pdf

1、 50571.4.432012/( 60364-4-43:2008)o 4-43 . IEC 60364-4-43:2008Low-voltage electrical installations Part 4-43 Protection for safety Protection against overcurrent(IDT) 1 , 42 3373 15 2012 . 865-4 60364-4-43:2008 - . 4-43. . (IEC 60364-4-43:2008 Low-voltage electrical installations Part 4-43 Protectio

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6、standardizedsystemsoffusesAtoF 60269-4 . 4. (IEC 60269-4 Low-voltage fuses Part 4:Supplementaryrequirementsforfuse-linksfortheprotectionofsemiconductordevices)60364-4-41 .4-41.-. (IEC 60364-4-41 Low-voltage electrical installations Part 4-41:ProtectionforsafetyProtectionagainstelectricshock) 60364-5

7、-52:2001 . 5-52. -. (IEC 60364-5-52 Electrical installation of buildings. Part 5-52. Selectionanderectionofelectricalequipment.Wiringsystems)60439-2 . 2. () IEC 60439-2 Low-voltageswitchgear and controlgear assemblies Part 2: Particular requirements for busbar trunking systems(busways)60724 -1(Um =

8、1,2)3(Um = 3,6kV)IEC60724 Short-circuittemperaturelimitsofelectriccableswithratedvoltagesof1kV(Um = 1,2kV)and3kV(Um = 3,6kV)60898() - . IEC 60898 (all parts) Circuit-breakers for overcurrentprotection forhouseholdandsimilarinstallations60947-2 . 2. (IEC 60947-2 Low-voltage switchgear and controlgear

9、 Part 2: Circuit-breakers)60947-3 . 3. , , - (IEC 60947-3 Low-voltage switchgear and controlgear Part 3: Switches, disconnectors, switch-disconnectorsandfuse-combinationunits) 60947-6-2 -. 6-2. . ( ) (CPS) IEC 60947-6-2 Low-voltage switchgear and controlgear. Part 6-2: Multiplefunctionequipment.Cont

10、rolandprotectiveswitchingdevices(orequipment)(CPS)61009() ,-(RCBOs)IEC 61009 (all parts) Residual current operated circuit-breakers with integral overcurrent protection forhouseholdandsimilaruses(RCBOs)61534() IEC61534(allparts)Powertracksystems430.3 -, - , ,.431 431.1 431.1.1 ,431.1.2.,.,-,.2 50571.4.432012/ 60364-4-43:2008431.1.2 TT TN, , - , - , , :a) , ;b) a), - .431.2 431.2.1 TT TN , , . , - . , . . -. . , 431.2.3. , PEN -.431.2.2 IT- . , . , :- , a , , - , , 0,2 - . , . . IT- .431.2.3 , , . , . , 431.3. 60364-5-52.431.3 , , - , .3 50571.4.432012/ 603