KS C 8321-2011 Molded-Case Circuit-Breaker for industrial uses(MCCB)《塑壳断路器》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C 8321 KS C 8321:2011(2012 ) 2011 12 29 http:/www.kats.go.krKS C 8321:2011 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :1974 12 16 :2011 12 29 :2012 12 27 : 20120778 : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C 8321:2011 i 1 1 2 2 3 .2 4 .2

2、5 2 5.1 2 5.2 2 5.3 2 5.4 (electronic) 2 6 2 6.1 3 6.2 3 6.3 ( ) 3 6.4 3 6.5 3 6.6 .3 7 3 8 4 9 4 10 5 11 5 12 5 A( ) 2 .6 A.1 .6 A.2 6 A.3 .7 A.4 .7 A.5 .8 A.6 .8 KS C 8321:2011 .12 KS C 8321:2011 (2012 ) Molded-Case Circuit-Breaker for industrial uses(MCCB) 1 , 1 000 V , 2 000 A , 200 kA 60 Hz ( )

3、 . 1 , , , , . 3 ( ) 2 . (electronic) KS C IEC 60947 2 F( ) . ( , , , ) , . , . 2 “ ” . “ ” . (IEC) . (skilled person): (instructed person): (ordinary, uninstructed, unskilled person): . a) b) 1) 2) 3) c) d) KS C 8321:2011 2 . A( ) 2 2 KS C IEC 60947 2: 2009( 2009 ) 1.2( ) , , . 3 KS C IEC 60947 2 2

4、.( ) . 4 , KS C IEC 60947 2 6.( , ) . , . 5 KS C IEC 60947 2 3.( ) . , . 5.1 5.2 5.3 5.4 (electronic) (KS C IEC 60947 2 F ) 6 KS C IEC 60947 2 4.( ) . , . KS C 8321:2011 3 6.1 . 6.2 AC 110 V, 220 V, 380 V, 440 V, 460 V, 480 V, 600 V, 690 V 1 440 V, 480 V, 690 V . 2 , ( 220/460 V). 6.3 ( ) 6, 8, 10,

5、13, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125 A, 150, 160, 175, 200, 225, 250, 300, 400, 500, 600, 630, 700, 800, 1 000, 1 200, 1 250, 1 600, 2 000 A . 6.4 KS C IEC 60947 2 4.3.5( ) . 6.5 60 Hz . 6.6 40 . 7 KS C IEC 60947 2 7.1( ) . , . 7.1 “LINE/LOAD”, “ / ” . 7.2 KS C IEC 60947 1 L( ) “ ” “ ” . 7.3

6、 KS C IEC 60947 1 7.1.9( ) . , NKS C IEC 60947 1 7.1.8.4( ) . , . KS C 8321:2011 4 , . . 63 A , KS C IEC 60947 1 4.3.2.1(Ith) 4.3.2.2( (Ithe) , . , . , 63 A . 8 KS C IEC 60947 2 7.2( ) 7.3 (EMC) . , . 8.1 KS C IEC 60947 2 G( ) “ ” “ ” . 9 7. 8. KS C IEC 60947 2 8.( ) . , . KS C IEC 60947 2 . KS C IE

7、C 60947 2 I 8.3.3.1 8.3.3.2 8.3.3.3 8.3.3.4 8.3.3.5 8.3.3.6 8.3.3.7 8.3.3.8 8.3.3.9 ( ) ( ) ( ) II 8.3.4.1 8.3.4.2 8.3.4.3 8.3.4.4 8.3.4.5 III 8.3.5.1 8.3.5.2 8.3.5.3 8.3.5.4 9.1 KS C 8321:2011 5 ( / ) ( ) . , ( ) . KS C IEC 60947 2 8.3.3.7 KS C IEC 60947 2 8.3.4.5 KS C IEC 60947 2 8.3.5.4 10 , . 2

8、KS C IEC 60947 2 8.3.2.5 KS C IEC 60947 2 8.3.3.1 KS C IEC 60947 2 8.3.3.2 KS C IEC 60947 2 8.3.3.3 KS C IEC 60947 2 8.3.3.4 KS C IEC 60947 2 8.3.4 8.3.5 KS C IEC 60947 2 8.3.6 KS C IEC 60947 2 8.3.3.9 A 11 KS C IEC 60947 2 5.1( ) 5.3( , ) . , . 11.1 ( ), , , , , N ( ) . 3 P( 3 ) AC 220 V 32 A 2.5 k

9、A N ( ) 12 KS C IEC 60947 2 5.2( ) . , . 12.1 KS C 8321 . 12.2 . 12.3 . KS C 8321:2011 6 A ( ) 2 A.1 3 4 2 ( ) 2 . . A.2 . A.2.1 A.2.2 A.2.3 A.2.4 A.2.5 A.2.6 A.2.7 3 4 2 A.2.8 3 4 2 KS C 8321:2011 7 A.3 A.3.1 220 V . A.3.2 1.35 . A.3.3 1.2 . A.3.4 1 . A.3.5 1 . A.4 . A.4.1 2 2 , “N ” . A.4.2 2 HOT

10、NEUTRAL , ( ) “HOT( H)” “NEUTRAL( N)” . A.4.3 “ ” , . A.4.4 HOT NEUTRAL , . KS C 8321:2011 8 A.5 . A.5.1 , 0.5 mm2 , A.6.2 . A.5.2 A.5.2.1 A.5.2.1.1 A.6.3.1 , . A.5.2.1.2 A.6.3.2 , . A.5.2.2 A.6.4 . A.5.2.3 A.6.5 , . A.5.2.4 A.6.6 , . A.5.2.5 A.6.7 , . A.5.2.6 ( ) A.6.8 . A.5.2.7 , A.6.9 , . A.6 KS

11、C 8321:2011 9 . A.6.1 . A.I A.6.2 A.II A.6.3 A.6.4 A.6.5 A.6.6 A.6.7 A.III ( ) ( ) A.6.8 A.6.9 A.6.3.1 A.IV ( ) “ ” “ ” .) A.6.3.1 A.I, A.III 1 , A.II 3 , A.IV . A.6.2 . A.6.2.1 ( ) 30 N 10 . A.6.2.2 5 cm 30 N . A.6.3 A.6.3.1 A.1 . KS C 8321:2011 10 A.1 A.6.3.2 a) A.2 S1 1.35 , S1 . b) . . A.2 A.6.4

12、 . ( ) . . A.6.5 H N G S1H N G KS C 8321:2011 11 5 , 20 40 85 %, 100 % 110 % A.6.3.1 . A.6.6 A.6.5 . A.6.7 , A.3 S1 , 85 %, 100 %, 110 % S1 . A.3 A.6.8 ( ) KS C IEC 61009 1: 2009 9.19( RCBO ) . A.6.3.1 . , , . A.6.9 ( ) KS C IEC 61009 1: 2009 9.22( ) . A.6.3.1 . , , . A.6.8, A.6.9 , . , . S1 H N G K

13、S C 8321:2011 12 KS C 8321:2011 . , , , , , . 0 (2011 ) 2009 , 2012 2 . KS . KS C 8321 KS C 4613 . KS (8321, 4613) KS C 8321 KS C 4613 . IEC KS . KS C 8332 KS C 4621 KS . 3 2 , 2011 KS 4 , KS 4 . ( ) KS C 8332: KS C 8321: KS C 4621: KS C 4613: KS C 8321: KS C 8332: KS C 4613: KS C 4621: ( ) KS C 833

14、2( KS C 8321) B( ) KS C 4621( KS C 4613) C( ) 4 ( ) “ 3 ( ) 2 .” KS C 4621( KS C 4613) B( ) KS C 8305( ) 1 (2009 ) , . (KS) . (KS, K ) IEC , KS (IEC ) . KS C 8321:2011 13 IEC KS , , . 2 (2009 ) 2008 “ ” . , , 3 ( ) ( ) . , KS , . 3 2008 KS 1 . 1 KS (2008 ) KS () KS C 8321 1974.12.16 2002.11.30(2007)

15、 1981.06.18 2003.06.05 KS C 4613 1976.12.07 2002.11.30(2007) 1978.09.30 2003.06.05 3.1 KS JIS JIS , KS C 8321( )( ) , , , IEC 60898 1 , KS C 4613( )( ) , , , , IEC 61009 1 . IEC . JIS JIS IEC 2004 . IEC ( ) “ ” “ ” . ( , ) JIS KS . IEC . 1 KS , “ ” “ ” 2 , 2 . 4 IEC , KS C IEC . 4 KS . KS C 8321:2011 14 KS C 8332 KS C IEC 60898 1 : 1 KS C 4621 KS C IEC 61009 1 KS C IEC 61009 2-1

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