1、 426 IEC 60050-426:2008International Electrotechnical Vocabulary Part 426: Equipment for explosiveatmospheres(IDT) 60050-4262011 27 2002 . 184- , 1.02004 . 1 -( -)2 403 - (Ex-)3 8 2011 . 764-4 60050-4262008 - . 426. (IEC 60050-426:2008 International Electrotechnical Vocabulary Part 426: Equipment fo
2、r explosiveatmospheres). - , 5 60050-4262006 - , - . () - . , , 2013 , - - II 60050-42620111 12 13 2 426-01 (general terms) 2 426-02 (physical and chemical phenomena) .2 426-03 (areas and zones) 4 426-04 () (construction of electrical apparatus(general) 6 426-05 (tests of electrical apparatus) .9 42
3、6-06 d (flameproof enclosures d) 9 426-07 q (powder filling q) 11 426-08 (increased safety e) 11 426-09 (pressurization ) .12 426-10 (oil immersion o) 14 426-11 i(intrinsically-safe and associated intrinsically-safe electrical apparatus i) .14 426-12 m (encapsulation m) 17 426-13 n (type of protecti
4、on n) .18 426-14 (inspection and maintenance) .20 426-15 (repair and overhaul)21 426-16 ( ) tD (protection by enclosure (dusts) tD) 21 426-17 ( ) pD (protectionby pressurization (dusts) pD)22 426-18 mD (protection by encapsulation (dusts)mD) .22 426-19 iD (protection by intrinsic safety (dusts)iD)22
5、 426-20 (trace heating) .22 .26 .32 () 38 39 60050-4262011III 60050-426:2008 . 426. (2- ), 60079 61241, , - . , - . . , , - . , -, . . , -, , , - . , . . , , - , .IV 60050-4262011 426 International electrotechnical vocabulary. Part 426. Equipment for explosive atmospheres 201210011 , , - .2 . - . -
6、( ). 60079-1-1:2002 1-1: - d. 60079-6:1995 6: - 60079-11:2006 11: - i 60079-15:2005 15: -, n 60079-17:2002 17: - ( -) 60079-18:2004 18: -, m 60079-25:2003 25: - 60296:2003 - . 60529:1989 C , ( IP). 1 (1999) 62013-2:2005 , 2: 1 60050-42620113 426-01 (GENERAL TERMS)426-01-01 (electrical apparatus for
7、explosive atmospheres):, .426-01-02 (type of protection): , .426-01-03 (apparatus grouping): - , . 1 : I , , ; II , . II .426-01-04 (maximum surface temperature): , . - ( ), .426-01-05 (temperature class): , , - .426-01-06 (explosive atmosphere): , , , , , - .426-01-07 (explosive gas atmosphere): ,
8、- , , .426-01-08 (explosive dust atmosphere): , , , . 426-02 (PHYSICAL AND CHEMICAL PHENOMENA)426-02-01 (ignition temperature (of anexplosive gas atmosphere): , - , . 2.426-02-05 (explosive test mixture): , - .2 60050-4262011426-02-06 (most easily ignitable concentration): , .426-02-07 (most explosi
9、ve mixture): , - .426-02-08 (most incendive mixture): , , , - .426-02-09 ; (lower explosive limit; LEL): , , -.426-02-10 ; (upper explosive limit; UEL): , , -.426-02-11 ; (maximum experimental safe gap;MESG): 25 , 10 , , 3.426-02-12 ; (minimum igniting current; MIC): , - . 4.426-02-13 (explosion (of
10、 an explosive atmosphere): .426-02-14 (flash point): , - , - .426-02-15 (pressure piling): - .426-02-16 (minimum igniting voltage): , - .426-02-17 (dust): , .426-02-18 (combustible dust): , 500 , , - , - .1 5.2 , , , - .426-02-19 (conductive dust): , -, 103 c215 .3 60050-4262011 - 6.426-02-20 (minimum ignition temperature (of a dustlayer): , .426-02-21 (minimum ignition temperature (of a dustcloud): , - - .426-02-22 (hybrid mixture): - .
