30708 Resultados disponibles

Filtrar:

(16982)
(13726)
(0)
IEC

IEC TS 60695-11-21:2005

En Vigor
2005-05-04
Fire hazard testing - Part 11-21: Test flames - 500 W vertical flame test method for tubular polymeric materials
IEC

IEC 60287-1-3:2023 CMV

En Vigor
2023-05-22
Electric cables - Calculation of the current rating - Part 1-3: Current rating equations (100 % load factor) and calculation of losses - Current sharing between parallel single-core cables and calculation of circulating current losses
IEC

IEC 60721-1:1990+AMD1:1992 CSV

En Vigor
1990-12-31
Classification of environmental conditions - Part 1: Environmental parameters and their severities
IEC

IEC TR 60865-2:2015

En Vigor
2015-04-22
Short-circuit currents - Calculation of effects - Part 2: Examples of calculation
IEC

IEC 61298-3:2008

En Vigor
2008-10-08
Process measurement and control devices - General methods and procedures for evaluating performance - Part 3: Tests for the effects of influence quantities
IEC

IEC 61248-4:1996

En Vigor
1996-06-06
Transformers and inductors for use in electronic andtelecommunication equipment - Part 4: Sectional specification forpower transformers for switched mode power supplies (SMPS) on thebasis of the capability approval procedure
IEC

IEC TS 63042-102:2021

En Vigor
2021-08-24
UHV AC transmission systems - Part 102: General system design
Si desea adquirir esta norma, envíenos su solicitud a normas@aenor.com
IEC

IEC 60669-2-1:2021

En Vigor
2021-02-05
Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic control devices