The Roller brushes used in these variautos are manufactured from special graphite slabs & have a metal insert. The movement of the carbon brush on the variauto track is with minimum friction, thus it is very very smooth & effortless. It also ensure longer life. Models available are 2A, 4A, 8 Amp. 10Amp. We can also give higher rated models of 15 Amp, 20 Amp, 28 Amp for oil-cooled applications.
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