IEC 60079-31 Ed. 3.0:2022 (b)
爆発性雰囲気－第31部：エンクロージャ ""t""による機器の粉じん防爆
Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure ""t""
発行年月日：
2022-01-17
状態：
有効
邦訳版：
無
英語 39ページ
22,137 円（税込） 本体価格：20,125円
- 規格概要
-
IEC 60079-31:2022 is available as IEC 60079-31:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60079-31:2022 is applicable to equipment protected by enclosure and surface temperature limitation for use in explosive dust atmospheres. It specifies requirements for design, construction and testing of Ex Equipment and Ex Components. This document supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this document conflicts with a requirement of IEC 60079-0, the requirement of this document takes precedence. This document does not apply to dusts of explosives, which do not require atmospheric oxygen for combustion, or to pyrophoric substances. This document does not apply to Ex Equipment or Ex Components intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust. This document does not take account of any risk due to an emission of flammable or toxic gas from the dust. This third edition cancels and replaces the second edition published in 2013. This edition constitutes a technical revision. Main significant changes from the previous edition are:全文を表示する
1) Document has been restructured from edition 2
2) Fault current rating of interrupting contacts in clauses 4.3.1 and 4.4.1, major change type C1
3) Cells and batteries in clauses 4.3.5.1 and 4.4.5.1, major change type C2
4) Overload or malfunction condition for the determination of temperature class for ""tb"" converter fed rotating electric machines, major change type C3
5) Additional requirements for entry devices with dust ignition protection by enclosure ""t"", major change type C4
Information about the background of Major Technical Changes
C1 Ex Equipment havin
| TC |
TC 31 |
|---|---|
| ICS |
29.260.20 |
| 備考 |
