KS C IEC 61241-1-2006 Electrical apparatus for use in the presence of combustible dust-Part 1:Protection by enclosures “tD”《粉尘防爆电器设备 第1部分 tD 型外壳防护》.pdf

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1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 7 http:/www.kats.go.krKS C IEC 61241 1 1: KS C IEC 612411:2006 (2011 )C IEC 61241 1: 2006 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : : 2006 12 7 : 2011 12 28 2011-0694 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 29.260.20 KS C IEC 1:

2、 61241 1: 2006(2011 ) Electrical apparatus for use in the presence of combustible dust Part 1: Protection by enclosures “tD” 2004 1 IEC 61241 1 Electrical apparatus for use in the presence of combustible dust Part 1: Protection by enclosure “tD” . 1. . , . KS C IEC 61241 0 . KS C IEC 61241 14 . , KS

3、 C IEC 60079 0 . (“dust-tight”) (“dust-protected”) , . , . . . . . . 2. . . KS C IEC 60529 (IP ) KS C IEC 61241 0 0: 3. . KS C IEC 61241 0 C IEC 61241 1: 2006 2 . 3.1 “tD”(dust ignition protection type “tD”) ( , ) 4. KS C IEC 61241 0 4. . 20 : , ( , ) , , . 5. A B A B . . 6. 20, 21 22 A IP6X . 20 21

4、 22 IP5X . 22 KS C IEC 61241 0 A . 7. 20 21 B 7.1 7.1.1 ( 1 ) 1 . 1 (mm), W 5 22 (mm), G 0.05 0.22 522 mm , 5 mm 1 mm 0.01 mm . C IEC 61241 1: 2006 3 1 7.1.2 1.2 mm L W ( 2 ) 1 . 1 G . 2 7.1.3 ( 3 ) 2 . 3 2 (mm), O 305 915 915 (mm) , W 3 4.8 9.5 305915 mm , 305 mm 1 mm 0.003 mm . 7.2 , C IEC 61241 1

5、: 2006 4 7.2.1 20 21 , (running contact seal) . 3 4 8.2.1 . 7.2.2 , 3 4 8.2.1 . 7.2.3 100 ( 4 ) 3 . 4 100 3 100 (mm), L 12.5 38.5 (mm), D2 D1 0.26 0.57 12.538.5 mm , 12.5 mm 1 mm 0.012 mm . . 7.2.4 100 , 3 4 . 4 100 , (mm), L 12.5 25.5 (mm), D2 D1 0.13 0.21 12.525.5 mm , 12.5 mm 1 mm 0.006 mm . 7.3

6、(N) (DS DH) 0.26 mm (L) 12.5 mm ( 5 ). C IEC 61241 1: 2006 5 5 8. 8.1 KS C IEC 61241 0 . 8.2 8.2.1 8.2.1.1 , 2 , “ (dust-tight)” “ (dust-protected)” . KS C IEC 61241 14 . . . 8.2.1.2 A KS C IEC 60529 IP6X . 8.2.1.3 A KS C IEC 60529 IP5X . 8.2.1.4 B 8.2.1.4.1 a) . . (ASTM) No.100 ( 0.15 mm ) ASTM No.

7、200 ( 0.075 mm ) 22 % . b) . 6 , 30 . 1. . . 2. 40 1 20 1 . , C IEC 61241 1: 2006 6 . . , . 8.2.1.4.2 . . 8.2.1.5 B 8.2.1.5.1 8.2.1.4.1 2 , 10 . 8.2.1.5.2 . . 8.2.2 8.2.2.1 A KS C IEC 61241 0 23.4.5 . 8.2.2.2 B KS C IEC 61241 0 23.4.5.123.4.5.3 . , 12.5 mm . 45 %, 55 % , . 9. KS C IEC 61241 0 29. .

8、29.2 4: “tD” . 29.2 5: A “A”, B “B” . 29.2 6: B IP . C IEC 61241 1: 2006 7 KS C IEC 60079 0 0: KS C IEC 60079 7 7: KS C IEC 60079 11 11: KS C IEC 60093 KS C IEC 60192 KS C IEC 60216 1 1: KS C IEC 60216 2 2: KS C IEC 60243 1 1: KS C IEC 60662 KS C IEC 61241 10 10: KS C IEC 61241 14 14: KS M ISO 178 K

9、S M ISO 527( ) IEC 60050 426: 1990 International Electrotechnical Vocabulary(IEV) Chapter 426: Electrical apparatus for explosive atmospheres IEC 60947 3 Low-voltage switchgear and control gear Part 3: Switches, disconnectors, and switch-disconnectors and fuse-combination units IEC 61241 20 1 Electr

10、ical apparatus for use in the presence of combustible dust Part 20 1: Test methods Methods for determining the minimum ignition temperatures of dust(1) ISO 4225: 1994 Air quality General aspects Vocabulary (1) 8 KS C IEC 61241 1: 2006 1: , . 1. , . , (IEC) (NEC) , IEC NEC . IEC KS . 2. . , , . , A B

11、 . / . A B 5 mm , 75 K . 12.5 mm , 25 K . KS C IEC 60529 IP Code . . 3. (KS C IEC 60079 1) “ ” . 4. , KS . , ( ) , . 1: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS C IEC 61241 1: 2006 Electrical apparatus for use in the presence of combustible dust Part 1:Protection by enclosures “tD”ICS 29.260.20

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