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This International Standard specifies performance requirements for electronic step-down convertors for use on d.c. supplies up to 250 V and a.c. supplies up to 1 000 V at 50 Hz or 60 Hz with operating frequencies deviating from the supply frequency, associated with tungsten halogen lamps as specified in IEC 60357 and other filament lamps.

Gives guidance on the application of international standards in assigning a thermal class to electrical insulating materials (EIM) or simple combinations of such materials (IEC 60216-1), to electrical insulation systems (IEC 62114) and to insulation for electrical devices. This new edition distinguishes between thermal classes for electrical insulation systems and electrical insulating materials.

This National Standard of Canada is based on International Standard CEI/IEC 61496-1:1997. 1 Scope This part of IEC 61496 specifies general requirements for the design, construction and testing of electro-sensitive protective equipment (ESPE) for the safeguarding of machinery. Special attention is directed to functional and design requirements that ensure an appropriate safetyrelated…

This National Standard of Canada is based on International Standard CEI/IEC 61000-2-7:1998. 1 Scope Interest in magnetic fields has been stimulated in recent years by concern over the physiological effects they may have on humans and animals and the deleterious effects they have on the performance of some electrical equipment, particularly video display units. Investigations have yielded…

This National Standard of Canada is equivalent to International Standard CEI/IEC CISPR 11:2003. 1 General 1.1 Scope and object The limits and methods of measurement laid down in this International Standard apply to industrial, scientific and medical (ISM) equipment as defined in Clause 2, and to electrodischarge machining (EDM) and arc welding equipment. NOTE The limits have been…

ISO 4526:2004 specifies requirements for electroplated nickel and nickel alloy coatings applied to ferrous and non-ferrous basis metals for engineering purposes. Binary nickel alloys in which nickel is a minor constituent are outside the scope of this International Standard. The designation provides a means of specifying the type and thickness of nickel and nickel alloy coatings appropriate for…

ISO/IEC 13251:2004 is a bilingual standard (English/French). It provides a certain number of graphical symbols that are typically used on office equipment such as computers, printers, telephones and copying machines. It comprises four sections: Section 1 giving general information, provisions and requirements about the use and application of graphical symbols;Section 2 providing an alphabetical…

ISO/IEC 13251:2004 is a bilingual standard (English/French). It provides a certain number of graphical symbols that are typically used on office equipment such as computers, printers, telephones and copying machines. It comprises four sections: Section 1 giving general information, provisions and requirements about the use and application of graphical symbols;Section 2 providing an alphabetical…

ISO 15531-31:2004 is an introduction to the ISO 15531-3x series of ISO 15531. It describes the universe of discourse of this International Standard as well as the resources information model. It provides the main principles used in this series of parts of ISO 15531.

Specifies the characteristics of unused triaryl phosphate ester fluids for turbine governor controls and other hydraulic systems in electrical power stations. Fluids used in this application are classified under category TCD of ISO 6743-5. The major changes with regard to the first edition concern the need to upgrade the report to an International Standard, taking account of changes to the…