DC power supply for notebook computers
€231.00
Alimentations sans interruption (ASI) - Partie 4 : aspects environnementaux - Exigences et déclaration
€95.67
External a.c.. d.c. and a.c.. a.c. power supplies. Determination of no-load power and average efficiency of active modes
€193.00
Uninterruptible power systems (UPS) Environmental aspects. Requirements and reporting
Universal serial bus interfaces for data and power USB battery charging specification, Revision 1.2
€374.00
Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
€93.00
BS EN 50171. Central safety power supply systems
€23.00
Safety requirements for power electronic converter systems and equipment - Part 1 : general
€233.00
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes - Sources d'alimentation externes c.a. - c.c. et c.a. - c.a.
€65.33
External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
€66.00
Lamp controlgear - Part 2-2 : particular requirements for d.c. or a.c. supplied electronic step-down convertors for filament lamps
Marquage des bornes de blocs et d'ensembles d'éléments de valve et d'équipement de conversion de puissance
€93.67
Terminal markings for valve device stacks and assemblies and for power conversion equipment (IEC 61148:2011); German version EN 61148:2012.
€111.40
Terminal markings for valve device stacks and assemblies and for power conversion equipment
€269.00
Battery charging interface for small handheld multimedia devices - Part 1: 2 mm barrel interface (IEC 62637-1:2011); German version EN 62637-1:2011
€105.42