IS 12642 : 1989 Brush-holders for slip rings group R-Type RA

1 Scope

1.1 This standard for brush-holders is applicable to medium sizeasynchronous industrial machines of conventional construction forgeneral applications, having shaft heights between 160 and 400 mmin the recommended range (in millimetres):

160 180 200 225 250 280 315 355 400

2 References

IS 3003 : Part 1 :1977 Specification for carbon brushes forelectricalmachines: Part 1 Definitions and nomenclature

IS 3003 : Part 3 :1978 Specification for carbon brushes forelectricalmachines: Part 1 Dimensions and requirements