1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60079 7 7： “e”KS C IEC 60079 7： 2012 2012 12 11 http:/www.kats.go.krKS C IEC 60079 7:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2001 10 8 ：2012 12 11 2012-0689 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60079 7:2012 i . iii
2、 . iv 1 1 2 1 3 .2 4 5 4.1 .5 4.2 5 4.3 .8 4.4 13 4.5 14 4.6 .14 4.7 15 4.8 .16 4.9 16 4.10 17 5 17 5.1 17 5.2 .17 5.3 22 5.4 26 5.5 27 5.6 .27 5.7 .27 5.8 33 5.9 ( ).33 5.10 .35 6 .35 6.1 35 6.2 .36 6.3 37 6.4 39 6.5 .40 6.6 2 40 6.7 42 6.8 43 6.9 .44 7 .45 7.1 .45 7.2 45 KS C IEC 60079 7:2012 ii 7
3、.3 45 8 45 8.1 .45 8.2 .45 9 45 9.1 45 9.2 46 9.3 48 A( ) .49 B( ) 51 C( ) 53 D( ) 54 E( ) .55 F( ) 57 G( ) 58 H( ) T8, T10, T12 ( ) .59 I( ) “ (EPL)” .63 68 KS C IEC 60079 7： 2012 69 KS C IEC 60079 7:2012 iii . , , . , , . KS C IEC 60079 7:2012 iv 2006 4 IEC 60079 7, Explosive atmospheres Part 7： E
4、quipment protection by increased safety “e” , . KS C IEC 60079 7:2012 7： “e” Explosive atmospheres Part 7： Equipment protection by increased safety “e” 1 , , , . 11 kV . . KS C IEC 60079 0 . 2 , . . KS C IEC 60034 1, 1： KS C IEC 60034 5, 5： (IP ) KS C IEC 60044 6, 6： KS C IEC 60061 1, 1： KS C IEC 60
5、061 2, 2： KS C IEC 60064, KS C IEC 60068 2-27, 2： Ea ： KS C IEC 60068 2-42, 2-42： Kc： KS C IEC 60079 0, KS C IEC 60079 1, 1： “d” KS C IEC 60079 11, 11： “ I ” KS C IEC 60085, KS C IEC 60112, KS C IEC 60228, KS C IEC 60238, KS C IEC 60317 7, 7： , 220 KS C IEC 60079 7:2012 2 KS C IEC 60317 8, 8： , 180
6、KS C IEC 60317 13, 13： , , 200 KS C IEC 60400, KS C IEC 60432 1, 1： KS C IEC 60529, (IP ) KS C IEC 60664 1, 1： , , KS C IEC 60947 1, 1： KS C IEC 60999 1, 1： 0.2 35 mm2 KS C IEC 61195, KS C IEC 61347 2-3, 2-3： KS Q ISO 2859 1, 1： (AQL) IEC 60050(426), International Electrotechnical Vocabulary(IEV) Ch
7、apter 426 ： Electrical apparatus for explosive atmospheres IEC 60068 2-6, Environmental testing Part 2： Tests Test Fc： Vibration(sinusoidal) IEC 60317 3, Specifications for particular types of winding wires Part 3： Polyester enamelled round copper wires, class 155 IEC 60364 3, Electrical installatio
8、ns of buildings Part 3： Assessment of general characteristics IEC 60947 7-1, Low voltage switchgear and controlgear Part 7-1： Ancillary equipment Terminal blocks for copper conductors IEC 60947 7-2, Low-voltage switchgear and controlgear Part 7-2： Ancillary equipment Protective conductor terminal bl
9、ocks for copper conductors IEC 60999 2, Connecting devices Electrical copper conductors Safety requirements for screw type and screwless type clamping units Part 2： Particular requirements for clamping units for conductors from 35 mm2up to 300 mm2(included) IEC 62086 1, Electrical apparatus for expl
10、osive gas atmospheres Electrical resistance trace heating Part 1： General and testing requirements 3 . KS C IEC 60079 0 . , IEC 60050(426) IEV(International Electrotechnical Vocabulary) . 3.1 (clearance) KS C IEC 60079 7:2012 3 3.2 (connections, factory) 3.3 (connections, field-wiring) 3.4 (creepage
11、 distance) 3.5 (increased safety) “e” , 1 “e” . “ ” . 2 . 3.6 (initial starting current) IA . 3.7 (limiting temperature) a) b) (KS C IEC 60079 0 5. 3.18 ) (4.7 ) . 3.8 ( ) (normal service, motor) ( ) 3.9 (rated dynamic current) Idyn , 3.10 (rated short-time thermal current) Ith 1 KS C IEC 60079 7:20
12、12 4 3.11 (rated voltage) 3.12 (resistance-heating devices and resistance-heating units) 3.12.1 (resistance-heating devices) 3.12.2 (resistance-heating units) . 3.12.3 (workpiece) 3.12.4 (temperature self-limiting characteristic) . 3.12.5 (stabilized design) 3.13 (short-circuit current) Isc KS C IEC
13、 60079 0 24. . 3.14 (Starting current ratio) IA /IN IA IN 3.15 (time) tE , IA ( A.1 ) KS C IEC 60079 7:2012 5 3.16 (trace heater) 3.17 (working voltage) 1 . 2 . 4 4.1 5. , . KS C IEC 60079 0 , 5. . 4.2 4.2.1 , . . a) . b) . c) , . d) . e) . f) KS C IEC 60079 0 , . g) , , . h) , . . , . i) , . j) KS
14、C IEC 60228 5 / 6 , . KS C IEC 60079 7:2012 6 1 . . 2 . 3 . 4 . 5 4.7.2 a) , . 4.2.2 4.2.2.1 . . KS C IEC 60079 0 . 4.2.2.2 KS C IEC 60947 7-1, IEC 60947 7-2, KS C IEC 60999 1 IEC 60999 2 . 6.9 . . IEC 60947 7-1 110 % 45 K . 1 , . , . 5.8, 6.7 E . 4 mm2(12 AWG) ISO . F . 2 4.2.2.2 . . 4.2.2.3 “e” 4.
15、2.2.2 . KS C IEC 60079 0 . KS C IEC 60079 7:2012 7 4.2.2.4 . . . 4.2.2.5 (crimping) . . , . 4.2.3 4.2.3.1 . 4.2.3.2 , 6.9 . 4.2.3.3 . a) b) c) d) , . 4.2.3.4 . . . a) 2 . KS C IEC 60079 7:2012 8 b) 30 N . 0.25 kg 10 , . c) , (N) 200 . . d) , 12 b) . , . 4.2.3.5 (bridging) . (bridging) 200 N . . 4.3
16、1 , 3 mm . . 5.3.3.1 . , . 1 111 . KS C IEC 60079 7:2012 9 1 mm ( 1 )Ur.m.s.a.c./d.c. V I II IIIa mm 10( 3 ) 12.5 16 20 25 32 40 50 63 80 100 125 160 200 250 320 400 500 630 800 1 000 1 250 1 600 2 000 2 500 3 200 4 000 5 000 6 300 8 000 10 000 1.6 1.6 1.6 1.6 1.7 1.8 1.9 2.1 2.1 2.2 2.4 2.5 3.2 4.0
17、 5.0 6.3 8.0 10 12 16 20 22 23 25 32 40 50 63 80 100 125 1.6 1.6 1.6 1.6 1.7 1.8 2.4 2.6 2.6 2.8 3.0 3.2 4.0 5.0 6.3 8.0 10 12.5 16 20 25 26 27 28 36 45 56 71 90 110 140 1.6 1.6 1.6 1.6 1.7 1.8 3.0 3.4 3.4 3.6 3.8 4.0 5.0 6.3 8.0 10 12.5 16 20 25 32 32 32 32 40 50 63 80 100 125 160 1.6 1.6 1.6 1.6 1
18、.7 1.8 1.9 2.1 2.1 2.2 2.4 2.5 3.2 4.0 5.0 6.0 6.0 8.0 10 12 14 18 20 23 29 36 44 50 60 80 100 1 KS C IEC 60664 1 . 10 % . KS C IEC 60664 1:2002 3b . 2 10 % . 3 10 V CTI IIIa . KS C IEC 60079 7:2012 10 KS C IEC 60664 1 . 1 ： , X mm , . ： . 2 ： , X mm . ： “ ” . . 3 ： X mm V . ： “ ” . , X mm . 4 ： . ： . . 1 KS C IEC 60079 7:2012 11 5 ： X mm .： “ ” . 6 ： X mm .： “ ” . . 7 ： X mm X mm .： . 8 ： .：
