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Avis d'intention
Commutateurs de transfert de moyenne tension
These requirements cover automatic, non-automatic and manual transfer switches operating at voltages of 1000 V ac and higher, and intended for use in ordinary locations to provide for power as follows, a) Automatic transfer...
Avis d'intention
Les commutateurs de transfert moyenne tension
1 Scope 1.1 These requirements cover automatic, non-automatic, and manual transfer switches, operating at voltages of 1000 V ac and higher, and intended for use in ordinary locations to provide for power as follows: a)...
Avis d'intention
Calcul de la résistance mécanique des éléments...
1.1 This Standard applies to the design of aluminum alloy members and assemblies intended to carry a known load. 1.2 This Standard specifies requirements for the design of members to meet the requirements of the National...
Avis d'intention
Appareils électrodomestiques et analogues - Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Appareils électrodomestiques et analogues - Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Appareils électrodomestiques et analogues – Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Appareils électrodomestiques et analogues - Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Norme sur les détecteurs de fumée pour les systèmes...
La quatrième édition de la norme CAN/ULC-S529 : 2016, publiée en janvier 2016, énonce les exigences relatives aux détecteurs de fumée et accessoires, y compris les dispositifs de protection mécaniques devant être utilisés...
Avis d'intention
Sécurité des convertisseurs de puissance utilisés...
This clause of Part 1 is applicable with the following exception: 1.1 Scope Addition: This Part 2 of IEC 62109 covers the particular safety requirements relevant to d.c. to a.c. inverter products as well as products that have...
Avis d'intention
Chauffage par trace à effet de peau des pipelines...
1.1 General This standard is divided into seven clauses that cover requirements for skin effect trace heating when installed in ordinary locations as well as in hazardous (classified) locations. Clause 1 provides the scope...
Avis d'intention
Qualification pour la sûreté de fonctionnement...
Scope and object This part of IEC 61730 describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation during their expected lifetime. Specific...