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The Ametek 33508 Brush is a carbon brush designed for several motor models from Ametek. Carbon brushes work with a part called a commutator inside the vacuum motor to keep electricity running to the motor. Electricity runs from stationary wires through the brushes to the commutator and finally to the coil. The commutator and brushes are not supposed to touch, but they do occasionally rub together. Carbon is softer than the metal used to make the commutator, so the brushes wear down over time.
Specifications:
Use With These Motors: