Rechercher

Applies to mineral oils, both uninhibited and inhibited against oxidation, in service, under normal operating conditions, in transformers, switchgear and similar electrical equipment where oil sampling is permissible. This publication is intended to give a common basis on which more complete codes may be prepared when these are necessary. In this Guide, the causes of oil deterioration are…

S'applique aux isolateurs soumis dans des conditions normales à une tension continue pouvant présenter une ondulation inférieure à 5% de la valeur moyenne de cette tension. Cette publication a le statut d'un rapport.

This standard applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches including switch-disconnectors and current-limiting fuses and thus able to interrupt: - any load current up to the rated breaking current of the switch; - any over-current up to the rated short-circuit breaking current of the combination…

Applies to the identification and marking of terminals of electrical equipment such as resistors, fuses, relays, contactors, transformers, rotating machines and, whenever applicable, to combinations of such equipment. It also applies to the identification of terminations of certain designated conductors. Has the status of a basic safety publication in accordance with IEC Guide 104.

Provides rules for the use of certain colours or the use of numerals for the purpose of identification of conductors including busbars. Has the status of a basic safety publication in accordance with IEC Guide 104.

Establishes uniform graphical symbols, their graphic form, meaning and application. These graphical symbols are placed on equipment or parts of equipment of any kind in order to instruct the persons handling the equipment as to its use and operation; they are also placed on sites and ways where people may assemble, or move, giving them instructions, such as prohibitions, warnings, rules or limits…

Etablit la forme, la signification et l'application des symboles graphiques, qui sont destinés à être placés sur des équipements ou sur les éléments qui les composent, quelle que soit leur nature, afin de renseigner les personnes qui les utilisent quant à leur mise en oeuvre et à leur fonctionnement, ainsi qu'à être placés à des endroits et en des lieux de passage où des personnes sont…

Propose des essais de perturbations radioélectriques d'isolateurs propres et secs à des fréquences comprises entre 0,5 MHz et 2 MHz. Cette publication a le statut d'un rapport.

Cette publication a été partiellement remplacée par la CEI 60364-3 et partiellement par la CEI 60364-4-41.

Determines the ability of components and equipment to withstand specified severities of random vibration. Has the status of a basic safety publication in accordance with IEC Guide 104.