Iec Standard Electrical Symbols
For example iec 27 became iec 60027.
Iec standard electrical symbols. A variety of specialized symbols originally used for aircraft applications have been added to make this standard more. Iec 60617 also known as british standard bs 3939. Standard electrical iec symbols also known as iec 60617 british standard bs 3939 used to represent various devices including pilot lights relays timers and switches for usage in electrical schematic diagrams. Symbols have been derived from iec publication 617 nen 5152 and company standards.
Electrical symbols virtually represent the components of electrical and electronic circuits. Only the main title for the standard is listed here. This american national standard is a revision and expansion of american national standard graphic symbols for electrical and electronics diagrams y32 2 1970 ieee std 315 1971. This article shows many of the frequently used electrical symbols for drawing electrical diagrams.
Electrical symbols are used to represent electrical and electronic devices in schematic diagrams. All symbols may be drawn in any position the inscriptions shall. Since the electrical standards adopted by various nations may vary the markings and symbols used. Electrical manufacturers are no exception.
Connect consult with and hire trusted industry experts on the autodesk services marketplace. The graphic symbols used for electrical components in circuit diagrams are covered by national and international standards in particular. However today most of the symbols are internationally standardized. Though these standard symbols are simplified the function descriptions can make you understand clearly.
Publication example iec 617. This is an incomplete list of standards published by the international electrotechnical commission iec. The units and symbols listed throughout this booklet conform to the recommendations of the international electrotechnical commission iec and the british standards institution bsi. There are different country specific standards iec british ansi and as australian standard that define the symbols used in circuit diagrams across the world.
The numbers of older iec standards were converted in 1997 by adding 60000. 03 01 02 a 123 iec company sequence index nen 5152. Additionally because of their common usage in the logic symbols under section 12 some distinctive shape binary logic symbols have been used. Iec schematic diagrams general with the increasing emphasis on globalization many industries are now looking to all parts of the world to produce market and sell their products.
Iec standards often have multiple sub part documents.