| Iec 60309 |
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| electrical power connectors | |
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In the United Kingdom , this standard was first adopted as BS 4343 :1968 and has since been replaced by its Europe-wide equivalent BS EN 60309:1999. KEYING IEC 60309-2 connectors are produced in many variants, designed so that a plug of one type can only be inserted into a socket of the same type. Different current ratings (such as 16 A, 32 A and 63 A) are distinguished by different diameters of the circular housing. Different voltage and frequency combinations are distinguished by the location of the ground pin (or a plastic projection called the ''minor keyway'', for connectors with no ground pin), as shown in the following table. The ground pin can be in one of twelve locations spaced at 30° intervals around the circle on which all the pins lie. Position 6 is at the same angle as the ''major keyway'', a projection on the plug casing that aligns with a notch on the socket. The ground pin has a larger diameter than the other pins, preventing the wrong type of plug being inserted in a socket. A six-phase plus earth (6P+E) version also exists. SEE ALSO EXTERNAL LINKS http://www.globetron.com/GlobetronPowerConnectors.pdf#page=1 |
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