features - with central shunt, spring with button cap;
length of the conductor - 43 mm;
cross section of the conductor - 0.2 mm2;
spring diameter - Ф7 mm;
shunt dimensions (d) - Φ8x0.5 mm;
dimensions (a x b x c) - 28x6x10 mm.
When you notice unusual noise on the machine and / or circular fire - replace the old brushes with a set of brushes with suitable size, hardness and specifications.
Self-stop brushes stop with a built-in spring when a certain degree of wearing out is achieved and the collector is protected from accelerated wear.