1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60364 4-43 4-43: KS C IEC 60364 4-43:2012 2012 7 26 http:/www.kats.go.krKS C IEC 60364 4-43:2012 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :2002 8 31 :2012 7 26 2012-0328 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60364 4-43:
2、2012 i ii . iii 43 1 430.1 1 430.2 1 430.3 2 431 2 431.1 .2 431.2 .2 431.3 .3 432 3 432.1 .3 432.2 3 432.3 4 432.4 4 433 4 433.1 .4 433.2 5 433.3 .5 433.4 .6 434 .7 434.1 .7 434.2 .7 434.3 .7 434.4 .8 434.5 .8 435 .9 435.1 10 435.2 .10 436 .10 A( ) .11 B( ) 433.1 1 216 C( ) 17 D( ) 20 E( ) .23 25 KS
3、 C IEC 60364 4-43:2012 26 KS C IEC 60364 4-43:2012 ii . , , . , , . KS C IEC 60364 4-43:2012 iii 2008 3 IEC 60364 4-43, Low-voltage electrical installations Part 4-43: Protection for safety Protection against overcurrent , . KS C IEC 60364 4-43:2012 4-43: Low-voltage electrical installations Part 4-
4、43: Protection for safety Protection against overcurrent 43 430.1 . (433. ) (434. ) . , 436. 433.3( ) 434.3( ) . (435. ). 1 433. . 2 . 3 . 4 , . 5 . 430.2 . . ( ) . KS C IEC 60269 2, 2: ( ) KS C IEC 60269 3, 3: ( ) KS C IEC 60269 4, 4: KS C IEC 60364 4-41, 4-41: KS C IEC 60364 5-52, 5-52: KS C IEC 6
5、0439 2, 2: KS C IEC 60724, 1 kV 3 kV KS C IEC 60898( ), KS C IEC 60364 4-43:2012 2 KS C IEC 60947 2, 2: KS C IEC 61009( ), (RCBO) IEC 60947 3, Low-voltage switchgear and controlgear Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units IEC 60947 6-2, Low-voltage switchgear
6、 and controlgear Part 6-2: Multiple function equipmentControl and protective switching devices(or equipment)(CPS) IEC 61534(all parts), Powertrack systems IEC Guide 104, The preparation of safety publications and the use of basic safety publications and group safety publications 430.3 , , . 431 431.
7、1 431.1.1 431.1.2 . . 3 , . 431.1.2 TT TN , . a) b) a) 431.2 431.2.1 TT TN , , . , . , . , . . . 431.2.3 . KS C IEC 60364 4-43:2012 3 PEN . 431.2.2 IT . , . . 0.2 . . . IT . 431.2.3 . , , . 431.3 . KS C IEC 60364 5-52 . 431.3 , . 432 432.1 432.3 . 432.1 434.5.1 . . gG 1 . 2 433.1 434.5 ( ). 432.2 KS
8、 C IEC 60364 4-43:2012 4 433. , . 1 . 2 aM . 432.3 , 433. . , . 434. . . gM, aM 432.4 KS C IEC 60898, KS C IEC 60947 2, IEC 60947 6 2, KS C IEC 61009, KS C IEC 60269 2, KS C IEC 60269 3, KS C IEC 60269 4 IEC 60947 3 . / , . 433 433.1 2 . IBInIZ(1) I21.45IZ(2) IB : IZ : (523. ) In : I2 : 1 , In . I2
9、. , I2 . . 2 IB 3 , KS C IEC 60364 4-43:2012 5 . 3 It If . It If In , . 4 433.1 (1) (2) B . 5 IB Ia . 311. . 433.2 433.2.1 , , . , 433.2.2 433.3 . 433.2.2 ( , , ) , . a) 434. b) 3 m , (434.2.1 ) a) C.1 , b) C.2 . 433.3 . 433.3.1 . a) , , b) 434. , c) , d) , , a), b) d) C.3 . 433.3.2 IT 433.3.2.1 433
10、.2.2 433.3.1 IT . , . KS C IEC 60364 4-43:2012 6 a) KS C IEC 60364 4-41 412. b) 2 c) , , . , 2 . IEC 61557 9 . . 433.3.2.2 IT , . 433.3.3 . . (lifting magnet) 2 ( , ) , . 433.4 , . . 433.4.1 , 433.1 Iz . KS C IEC 60364 5-52 523.7 a) . 433.4.2 . 10 % KS C IEC 60364 4-43:2012 7 . A.2 . 434 . 434.1 . .
11、 . 434.2 . , 434.2.1, 434.2.2 434.3 . 434.2.1 . , 434.2 . , a) 3 m b) 1 , . 2 D.1 . c) . 434.2.2 , 434.5.2 . 434.2.2 D . 434.3 2 a) d) . 434.2.1 b) . . . a) , , , KS C IEC 60364 4-43:2012 8 b) 433.3.3 c) d) , 434.4 , 1 . . . . a) , . b) 2 , . c) 3 , . A.3 . 434.5 434.5.1 . 434.5.1 . , . . . . . 434.
12、5.2 . 0.1 , k2S2 (I2t) . KS C IEC 60364 4-43:2012 9 43A k PVC PVC 90 EPR/XLPE 60 PVC (mm2) 300 300 300 300 () 70 90 90 60 70 105 () 160 140 160 140 250 200 160 250 : 115 103 100 86 143 141 115 135 115a 76 68 66 57 94 93 115 a . 1 k . ( , 10 mm2 ) 2 . 3 KS C IEC 60724 . 4 k KS C IEC 60364 5-54 A . 5
13、, t . t (kS/I)2(3) t : ( ) S : (mm2) I : (A, r.m.s.) k : , , , k 43A . 434.5.3 KS C IEC 60439 2 IEC 61534 (powertrack) . (ICW) (r.m.s.) . ICW . . 435 KS C IEC 60364 4-43:2012 10 435.1 433. 434. . 435.2 433. 434. . . KS C IEC 60947 4-1 . 436 , ( , , ). KS C IEC 60364 4-43:2012 11 A ( ) A.1 . , 2 , . , . . IEC 60287 1-3