>From my understanding, IEC 950 does not address specific materials. The intent is to limit (1) temperatures, (2) flammability of materials, (3) amount of combustible materials, and (4) spread of any internal fire. If it is necessary to use magnesium, I would ensure via fault testing that the magnesium could not be ignited under worst case conditions. I would also intentionally ignite the part in-situ conditions to assess the results IF......
George Alspaugh Product Safety Lexmark International >-- [ From: Paul Herrick * EMC.Ver #2.3 ] -- > >Does anyone have information on the use of Magnesium in ITE equipment. Under >some circumstances the metal Magnesium can burn. IEC950 gives rules only for >plastic parts. > >The actual application is for a casting to save weight. It is close to motors >enclosed in metal, cables, printed wiring boards with low power consumption. >No shock or energy hazard circuits. > >Thanks, > >Paul Herrick >Product Safety Engineer >JPH Consulting
