Informative

This International Standard deals with the safety of electric battery chargers for household and similar use having an output at safety extra-low voltage, their rated voltage being not more than 250 V.
Battery chargers not intended for normal household use, but which nevertheless may be a source of danger to the public, such as battery chargers intended for use in garages, shops, light industry and on farms, are within the scope of this standard.

This part of IEC 61951 specifies marking, designation, dimensions, tests and requirements for portable sealed nickel-cadmium small prismatic, cylindrical and button rechargeable single cells, suitable for use in any orientation.

This part of IEC 61951 specifies marking, designation, dimensions, tests and requirements for portable sealed nickel-metal hydride, small prismatic, cylindrical and button rechargeable single cells, suitable for use in any orientation

This Standard specifies the test method for measuring and reporting the energy performance of large battery charger systems.

The object of test is to determine the performance characteristics of equipment designed to collect particulate matter from a gas stream.

Types of flanges from PN 6 to PN 40 and in sizes up to DN 1800. Facings, dimensions tolerances, bolt sizes, marking and materials for bolting and flange materials with associated pressure/temperature ratings.