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Publication details

Publication CODE Title
NBN EN IEC 62271-104:2020 (2020-10) HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 104: ALTERNATING CURRENT SWITCHES FOR RATED VOLTAGES HIGHER THAN 52 kV
 
Price Excl. VAT Total number of pages, tables and drawings
14.00 € 3.
Description
IEC 62271-104:2020 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This third edition replaces and cancels the second edition published in 2015. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - new numbering, following IEC 62271-1:2017.
Class  C
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

EN version
FR version
DE version
Status
Status IEC PUBLICATION
Situation Currently active
Replaces  NBN EN 62271-104:2015
Origin
Committee CLC/TC 17AC
High-voltage switchgear and controlgear
Approval
BEC Approval 2020-09-25
NBN Approval 2020-10-22
NBN Status New
Date of ratification (d.o.r.) 2020-09-25
Date of announcement (d.o.a.) 2020-12-25
IEC file modification date 2020-10-03