GOST EN 50274-2012 Low-voltage switchgear and controlgear assemblies Protection against electric shock Protection against unintentional direct contact to hazardous live parts《低压开关设.pdf

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1、 . (EN 50274:2002, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)EN 502742012, - 1.092 . 1.22009 . -, . , , 1 - - () - , 42 (-)3 , ( 3 2012 . 54-) : ( 3166) 00497 ( 3166) 00497 BYKZKGRUUZ 4 6 2013 . 970- N 502742012 1 2015 .5 EN 50274:2002Low-voltage switchgear and

2、 controlgear assemblies Protection against electric shock Protection againstunintentional direct contact with hazardous live parts ( -. . ), Cor.1:2009. -. : 1.52001 (- 3.6). 3 CLC/C 17 D - - (CENELEC). (en). - . (IDT)6 II EN 502742012 -, - . () . , - - , 2014 -, III EN 5027420121 .12 13 24 .34.1 .3

3、4.2 .34.3 .34.4 34.5 34.6 .44.7 , 45 .45.1 45.2 .4 A () .5 () 8IV EN 502742012 , (), . , , IPXXB EN 60529 , - .- -, . ( IP2X IPXXB) IEC 61439-1:2011. , IEC 61439-1:2011, 004/2011 .V EN 502742012 . Low-voltage switchgear and controlgear assemblies. Protection against electric shock.Protection against

4、 unintentional direct contact to hazardous live parts1 - ( ) 1000 1500 . - , IPXXB EN 60529 . , . , -, . :- , , - ;- , 50 120 EN 61140 . , , -, . ., ;- , - EN 61140.2 :EN 60529:1991 Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989) (, (IP-)EN 61032:1998 Protection of persons an

5、d equipment by enclosures Probes for verification(IEC61032:1997)(,.)EN 61140:2002 Protection against electric shock Common aspects for installation and equipment(IEC 61140:2001) ( . -)1 EN 502742012 20150101IEC 60050-195:1998 + Amd.1:2001 International Electrotechnical Vocabulary Part 195: Earthning

6、and protection against electric shock ( . 195. - )IEC 60050-826:2004 International Electrotechnical Vocabulary Part 826: Electrical installations( . 826. )3 :3.1 ; (low-voltageswitchgear and controlgear assembly; ASSEMBLY): - , , , , , - .3.2 (hazardous live part): , - IEV 195-06-05.3.3 (operating d

7、evice): (, ,) (, -, ), , .3.4 (protection against unintentionaldirect contact): - . - , , - .3.5 (space of protection): , - -; . 2.3.6 (base area): , . 3.3.7 (access area): , -. 3, 4 5.3.8 (finger protection): .3.9 (back of the hand protection): .3.10 (obstacle): , , IEV 826-03-14.3.11 (mounting hei

8、ght): , , .3.12 (operating outline): , - .3.13 () (electrically) skilled person): , , , IEV 195-04-01.3.14 () (electrically) instructed person): , , , - IEV 195-04-02.2 EN 5027420124 4.1 , - .4.2 - . 1. . - .4.3 :- , ;- ;- , . .4.4 , , , , IPXXA EN 60529 ( ),. 4.5. , - , ( , . 2). (. 3 4) . (. 2). - 500 ./ (. 2): : 200 /1 200 ; : 800 /1 800 1 800 2 000 ,- 300 c180 300 (. 5). - 4.5 4.6.4.5