This standard applies to test methods and apparatus for the measurement of the opera-tional characteristics of brushes designed to operate on commutating and slip-ring machines under specified test conditions.
It does not apply to brushes for small power machines and automotive machines.
SIS SS IEC 773:1985 history
1985SIS SS IEC 773:1985 Rotating electrical machinery - Test methods and apparatus for the measurement of the operational characteristics of brushes