Applies to test methods and apparatus for the measurement of the operational characteristics of brushes (contact drop voltage, coefficient of friction, brush wear) designed to operate on commutating and slip ring machines under specified test conditions.
Does not apply to brushes for small power machines and automotive machines.
WITHDRAWN
IEC 60773:1983 ED1
99.60
Withdrawal effective
Apr 7, 2021
PUBLISHED
IEC 60773:2021 ED2