These standards include letter symbols for the main dimensions of electric brushes (brushes) and brush holders, number series from which the main dimensions should be selected, tolerances and standardized combinations of the main dimensions. For brush holders, this means only tangential and axial mats on the brush holder floor. The standards refer to brushes and brush holders only for cylindrical commutators and slip rings.
SIS SEN 26 02 02-1962 history
1962SIS SEN 26 02 02-1962 Brushes and brush-holders for electrical machines. Main dimensions