Historical
IEC/TR 61117 Ed. 1.0 b:1992
A method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA)
Describes an extrapolation method to be applied to type tests for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA). Has the status of a technical report.
International Electrotechnical Commission [iec]