Name | Support | Language | Availability | Edition date | Price | ||
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PDF |
English, French |
Active |
8/12/2020 |
€173.00 |
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PDF |
English |
Active |
8/12/2020 |
€224.00 |
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Details
IEC 60947-5-8:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60947-5-8:2020 specifies requirements for three-position enabling switches. These switches are used as components of enabling devices to provide signals that,
- when activated, allow machine operation to be initiated by a separate start control, and
- when de-activated,
-- initiate a stop function, and
-- prevent initiation of machine operation.
This second edition cancels and replaces the first edition published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- due to the increasing range of useful applications of three-position enabling switches, note of scope, operational characteristics and tests are reviewed,
- figures for example of devices incorporating enabling switch are added in Annex A,
- new Annex B for procedure to determine reliability data for the switch used in functional safety applications is added.
Additional Info
Author | International Electrotechnical Commission (IEC) |
---|---|
Committee | TC 121/SC 121A |
Published by | IEC |
Document type | Standard |
Edition | 2.0 |
ICS | 29.130.20 : Low voltage switchgear and controlgear
|
Number of pages | 77 |
Keyword | IEC60947-5-8,IEC 60947-5-8:2020 RLV,IEC 60947-5-8,TC 121/SC 121A |